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scene-extrapolation-benchmark / sections /qual_kubric4d.html
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<section id="qual_kubric4d">
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<h2>Kubric-4D &mdash; qualitative by difficulty bin (clean GT)</h2>
<p class="q-intro">Each bin is the change in camera optical-axis direction from the input view (<b>30&deg;</b> small near-view shift &hellip; <b>180&deg;</b> full back-view), <b>grouped easy&rarr;hard</b> so extrapolation degradation is visible top-to-bottom. Each clip is a grid of individual native-res videos (576&times;384 Kubric / larger for baselines), ending with the real <b style="color:#2769b8">clean GT</b> target view (fully synthetic scene, so true GT with no warp/inpaint confound). <b>Shape-of-Motion</b> is a per-scene 4D-GS reference fit only on a subset of scenes; elsewhere its tile is marked <i>n/a</i>.</p>
<details class="q-bench" open><summary>Kubric-4D difficulty sweep <span class="q-sub">(25 clips &times; 5 bins)</span></summary><div class="q-bench-body">
<div class="q-binhead">30&deg; &mdash; easy near-view</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02700_b30</span> <span class="meta">&middot; scene scn02700, 30&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b30/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02701_b30</span> <span class="meta">&middot; scene scn02701, 30&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b30/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02704_b30</span> <span class="meta">&middot; scene scn02704, 30&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b30/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02706_b30</span> <span class="meta">&middot; scene scn02706, 30&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b30/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02719_b30</span> <span class="meta">&middot; scene scn02719, 30&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b30/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-binhead">60&deg; &mdash; moderate side-view</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02700_b60</span> <span class="meta">&middot; scene scn02700, 60&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b60/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02701_b60</span> <span class="meta">&middot; scene scn02701, 60&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b60/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02704_b60</span> <span class="meta">&middot; scene scn02704, 60&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b60/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02706_b60</span> <span class="meta">&middot; scene scn02706, 60&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b60/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02719_b60</span> <span class="meta">&middot; scene scn02719, 60&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b60/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-binhead">90&deg; &mdash; orthogonal side-view</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02700_b90</span> <span class="meta">&middot; scene scn02700, 90&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b90/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02701_b90</span> <span class="meta">&middot; scene scn02701, 90&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b90/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02704_b90</span> <span class="meta">&middot; scene scn02704, 90&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b90/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02706_b90</span> <span class="meta">&middot; scene scn02706, 90&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b90/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02719_b90</span> <span class="meta">&middot; scene scn02719, 90&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b90/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-binhead">120&deg; &mdash; hard oblique-view</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02700_b120</span> <span class="meta">&middot; scene scn02700, 119&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b120/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02701_b120</span> <span class="meta">&middot; scene scn02701, 119&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b120/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02704_b120</span> <span class="meta">&middot; scene scn02704, 119&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b120/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02706_b120</span> <span class="meta">&middot; scene scn02706, 119&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b120/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02719_b120</span> <span class="meta">&middot; scene scn02719, 119&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b120/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-binhead">180&deg; &mdash; hard back-view</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02700_b180</span> <span class="meta">&middot; scene scn02700, 170&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02700_b180/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02701_b180</span> <span class="meta">&middot; scene scn02701, 170&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile na"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02701_b180/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02704_b180</span> <span class="meta">&middot; scene scn02704, 170&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02704_b180/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02706_b180</span> <span class="meta">&middot; scene scn02706, 170&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02706_b180/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
<div class="q-clipcard">
 <div class="q-cliphead"><span class="cid">dyn_scn02719_b180</span> <span class="meta">&middot; scene scn02719, 170&deg; off-axis, 24 frames &mdash; clean Kubric GT</span></div>
 <div class="q-grid"><div class="q-tile"><div class="q-lab">Observed<span class="q-tag">input 12f</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/01_observed.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Warp<span class="q-tag">control</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/02_warp.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">GEN3C</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/03_gen3c.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">ViewCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/04_viewcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">NVS-Solver</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/05_nvs_solver.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">Shape-of-Motion<span class="q-tag">4D-GS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/06_shape_of_motion.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">FrameCrafter</div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/07_framecrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile na"><div class="q-lab">ViewExtrapolator<span class="q-tag">training-free</span></div><div class="q-navid">n/a</div></div><div class="q-tile"><div class="q-lab">TrajCrafter<span class="q-tag">diffusion NVS</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/09_trajcrafter.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile"><div class="q-lab">I2V-14B<span class="q-tag">i2v base (no VACE ctrl)</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/10_i2v_base.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile ours"><div class="q-lab">Ours<span class="q-tag">VACE-14B</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/11_vace14b.mp4" onmouseenter="this.play&&this.play()" controls></video></div><div class="q-tile gt"><div class="q-lab">GT<span class="q-tag">clean Kubric</span></div><video muted loop playsinline preload="none" data-src="assets/qual/dyn_kubric4d/dyn_scn02719_b180/12_gt.mp4" onmouseenter="this.play&&this.play()" controls></video></div></div>
</div>
</div></details></div>
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 border:1px solid #cfe4d3; border-left:5px solid #2e7d32; border-radius:10px;
 box-shadow:0 1px 3px rgba(0,0,0,.04); }
 .qfr .q-return h4 { font-size:1.02rem; margin:0 0 .55rem; color:#1c5a2a; display:flex;
 align-items:baseline; gap:.5rem; flex-wrap:wrap; }
 .qfr .q-return h4 .q-rbadge { background:#2e7d32; color:#fff; font-size:.66rem; font-weight:700;
 letter-spacing:.03em; padding:2px 8px; border-radius:20px; text-transform:uppercase; }
 .qfr .q-return h4 .q-rtag { font-weight:400; color:#5a6b5c; font-size:.8rem; }
 .qfr .q-rmethods { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
 @media (max-width:760px){ .qfr .q-rmethods { grid-template-columns:1fr; } }
 .qfr .q-rmethod { border:1px solid #dfe6e0; border-radius:9px; overflow:hidden; background:#fff; }
 .qfr .q-rmethod.mem { border-color:#e6c98a; }
 .qfr .q-rmethod .q-rmhead { display:flex; justify-content:space-between; align-items:baseline;
 padding:5px 9px; background:#eef3ef; font-size:.82rem; }
 .qfr .q-rmethod.mem .q-rmhead { background:#fff6e6; }
 .qfr .q-rmethod .q-rmhead b { color:#1a1a1a; font-size:.86rem; }
 .qfr .q-rmethod .q-rmhead .q-rmtag { color:#888; font-weight:400; }
 .qfr .q-rmethod .q-rmnums { padding:5px 9px; font-size:.82rem; color:#333; background:#fbfdfb;
 border-bottom:1px solid #eee; font-variant-numeric:tabular-nums; }
 .qfr .q-rmethod .q-rmnums b.q-rkey { font-weight:600; color:#556; }
 .qfr .q-rmethod .q-rmnums .num { font-size:.98rem; font-weight:700; }
 .qfr .q-rmethod .q-rmnums .good { color:#1f8f4e; }
 .qfr .q-rmethod .q-rmnums .bad { color:#c0392b; }
 .qfr .q-rmethod .q-rmnums.q-rdyn { background:#f3f7fb; border-top:1px dashed #cdd9e6; }
 .qfr .q-rmethod .q-rmnums.q-rdyn b.q-rkey { color:#2769b8; }
 .qfr .q-rmethod .q-rmnums.q-rdyn .num { color:#1b4f8a; }
 /* WorldScore reference-free self-consistency line (violet) -- 3D + photometric + motion guard-rail */
 .qfr .q-rmethod .q-rmnums.q-rcons { background:#f8f4fc; border-top:1px dashed #e0d3ee; }
 .qfr .q-rmethod .q-rmnums.q-rcons b.q-rkey { color:#7a4fb0; }
 .qfr .q-rmethod .q-rmnums.q-rcons .num { color:#5a3894; }
 .qfr .q-rmethod .q-rmnums.q-rcons .num.good { color:#1f8f4e; }
 .qfr .q-rmethod .q-rmnums.q-rcons .num.bad { color:#c0392b; }
 .qfr .q-rmethod .q-rmnums.q-rcons .warn { color:#c0392b; font-weight:650; }
 .qfr .q-rmethod .q-rmnums .q-rmini { color:#8a929c; font-weight:400; font-size:.72rem; }
 .qfr .q-rpair { display:flex; gap:3px; padding:3px; background:#111; }
 .qfr .q-rpair figure { flex:1; margin:0; position:relative; }
 .qfr .q-rpair img { width:100%; display:block; background:#000; border-radius:3px; }
 .qfr .q-rpair figcaption { font-size:.7rem; font-weight:650; text-align:center; color:#fff;
 padding:3px 0 2px; letter-spacing:.02em; }
 .qfr .q-rpair figure.gen figcaption { color:#8fe3a8; }
 .qfr .q-rpair figcaption.obs { color:#8ec2f0; }
 .qfr .q-rvisits { display:flex; gap:6px; padding:5px 8px; flex-wrap:wrap; }
 .qfr .q-rvisit { text-align:center; }
 .qfr .q-rvisit img { width:88px; display:block; border:1px solid #ddd; border-radius:3px; background:#000; }
 .qfr .q-rvisit .vl { font-size:.62rem; color:#888; }
 /* ---- multi-visit: one labeled group box PER POSE, obs GT as the reference on the left ---- */
 .qfr .q-rposes { padding:6px 8px 4px; }
 .qfr .q-rpose { border:1px solid #d3dfe9; border-radius:8px; background:#f6f9fc; margin:0 0 8px;
 padding:5px 7px 7px; }
 .qfr .q-rpose:last-child { margin-bottom:0; }
 .qfr .q-rpose .q-rposelab { font-size:.72rem; font-weight:700; color:#1c4b78; margin:0 0 5px;
 display:flex; align-items:baseline; gap:.35rem; flex-wrap:wrap; }
 .qfr .q-rpose .q-rposelab .q-rposen { background:#2769b8; color:#fff; border-radius:20px;
 padding:1px 8px; font-size:.64rem; letter-spacing:.03em; text-transform:uppercase; }
 .qfr .q-rpose .q-rposelab .q-rposesub { font-weight:400; color:#5a6b7c; font-size:.68rem; }
 .qfr .q-rpose .q-rrow { display:flex; gap:7px; align-items:flex-start; flex-wrap:wrap; }
 /* the observed-GT reference cell -- visually distinct, sits on the LEFT of its 3 visits */
 .qfr .q-rref { text-align:center; padding:3px 8px 3px 3px; margin-right:2px;
 border-right:2px dashed #b9cede; }
 .qfr .q-rref img { width:104px; display:block; border:2px solid #2769b8; border-radius:4px; background:#000; }
 .qfr .q-rref .rl { font-size:.66rem; font-weight:700; color:#2769b8; margin-top:2px; }
 .qfr .q-rref .rl small { display:block; font-weight:400; color:#6a7c8c; font-size:.6rem; }
 .qfr .q-rpose .q-rvisit img { width:96px; }
 .qfr .q-rpose .q-rvisit .vl { font-size:.66rem; font-weight:650; color:#3a6a3a; }
 .qfr .q-rpose .q-rvisit .vl small { display:block; font-weight:400; color:#8a949c; font-size:.58rem; }
 .qfr .q-rposehint { font-size:.72rem; color:#5a6b7c; font-style:italic; margin:0 0 6px; padding:0 2px; }
 .qfr .q-rlegend { font-size:.74rem; color:#666; margin:.5rem 2px 0; }
</style>
<script id="q-sync-js">
(function(){
 if (window.__qSyncInit) return; window.__qSyncInit = true;
 // ---- playback-speed (倍速) options + a WATCHABLE default --------------------
 // The clips are short (kubric revisit ~2-3s, dyn/eval50 ~5s, dl3dv/spatialvid
 // revisit ~13-15s) and loop with no built-in slowdown, so at 1x the return
 // moment flashes past. Default to 0.5x so it is easy to follow; user can bump
 // to 1x / 2x or slow to 0.25x on any panel or globally.
 var SPEEDS = [0.25, 0.5, 1, 2];
 var DEFAULT_SPEED = 0.5;
 window.__qSpeed = DEFAULT_SPEED; // current GLOBAL speed
 var panels = []; // registered per-panel speed setters
 function activate(v){
 if (v.dataset.src && !v.getAttribute('src')){ v.src = v.dataset.src; v.load(); }
 }
 function fmtSpeed(s){ return (s === 1 ? '1' : String(s)) + '\u00d7'; }
 // build a small 0.25x/0.5x/1x/2x button group; onPick(rate) fires on click.
 function makeSpeedGroup(current, onPick, withLabel){
 var wrap = document.createElement('span'); wrap.className = 'q-speed';
 if (withLabel){ var lab = document.createElement('span'); lab.className='q-slab'; lab.textContent='倍速 speed'; wrap.appendChild(lab); }
 var btns = [];
 SPEEDS.forEach(function(s){
 var b = document.createElement('button'); b.type='button'; b.className='q-sp'; b.textContent=fmtSpeed(s);
 if (s === current) b.classList.add('on');
 b.addEventListener('click', function(){ onPick(s); });
 wrap.appendChild(b); btns.push(b);
 });
 wrap._sync = function(rate){ btns.forEach(function(b,i){ b.classList.toggle('on', SPEEDS[i]===rate); }); };
 return wrap;
 }
 function wireGrid(grid){
 if (grid.__qSynced) return; grid.__qSynced = true;
 var vids = Array.prototype.slice.call(grid.querySelectorAll('video'));
 if (vids.length < 2) return;
 // take over looping so all tiles restart TOGETHER (native per-tile loop would drift)
 vids.forEach(function(v){ v.loop = false; v.removeAttribute('loop'); });
 var speed = window.__qSpeed; // this panel's current rate (inherits global)
 function applyRate(){ vids.forEach(function(v){ try{ v.playbackRate = speed; }catch(e){} }); }
 // build a sync bar and insert before the grid
 var bar = document.createElement('div'); bar.className = 'q-sync';
 var btn = document.createElement('button'); btn.textContent = '► Play all'; btn.className = 'paused';
 var range = document.createElement('input'); range.type='range'; range.className='q-scrub'; range.min=0; range.max=1000; range.value=0; range.step=1;
 var tlabel = document.createElement('span'); tlabel.className='q-time'; tlabel.textContent='0.0 / 0.0s';
 var tag = document.createElement('span'); tag.className='q-synced'; tag.textContent='⇄ synced';
 // per-panel speed group
 var speedGroup = makeSpeedGroup(speed, function(rate){ setSpeed(rate); }, true);
 bar.appendChild(btn); bar.appendChild(range); bar.appendChild(tlabel); bar.appendChild(tag); bar.appendChild(speedGroup);
 grid.parentNode.insertBefore(bar, grid);
 function setSpeed(rate){ speed = rate; applyRate(); speedGroup._sync(rate); }
 // register so the GLOBAL control can drive every panel at once
 panels.push(setSpeed);
 var guard = false; // re-entrancy guard against event feedback loops
 function longest(){ var d=0; vids.forEach(function(v){ if(isFinite(v.duration)&&v.duration>d) d=v.duration; }); return d; }
 function activateAll(){ vids.forEach(activate); }
 function playAll(){
 activateAll();
 guard = true;
 applyRate(); // (re)assert playbackRate every play; src reloads reset it to 1
 vids.forEach(function(v){ var p=v.play(); if(p&&p.catch)p.catch(function(){}); });
 setTimeout(function(){ guard=false; }, 60);
 btn.textContent='❚❚ Pause all'; btn.classList.remove('paused');
 }
 function pauseAll(){
 guard = true; vids.forEach(function(v){ v.pause(); });
 setTimeout(function(){ guard=false; }, 60);
 btn.textContent='► Play all'; btn.classList.add('paused');
 }
 function seekAll(t){
 guard = true;
 vids.forEach(function(v){ try{ if(isFinite(v.duration)) v.currentTime = Math.min(t, v.duration-0.001); }catch(e){} });
 setTimeout(function(){ guard=false; }, 80);
 }
 btn.addEventListener('click', function(){
 if (btn.classList.contains('paused')) playAll(); else pauseAll();
 });
 range.addEventListener('input', function(){
 var d = longest(); if(!d) return;
 seekAll(d * (range.value/1000));
 });
 // keep the requested rate glued on even when a lazy src loads mid-play
 vids.forEach(function(v){
 v.addEventListener('loadeddata', function(){ try{ v.playbackRate = speed; }catch(e){} });
 v.addEventListener('ratechange', function(){ if(!guard && v.playbackRate!==speed){ try{ v.playbackRate=speed; }catch(e){} } });
 });
 // drive the scrubber + time label off the longest video's clock
 var master = vids[0];
 function pickMaster(){ master = vids.reduce(function(a,b){ return (isFinite(b.duration)&&(!isFinite(a.duration)||b.duration>a.duration))?b:a; }, vids[0]); }
 vids.forEach(function(v){ v.addEventListener('loadedmetadata', pickMaster); });
 function tick(){
 var d = longest();
 if (master && isFinite(master.duration)){
 range.value = Math.round(1000 * (master.currentTime/(d||1)));
 tlabel.textContent = master.currentTime.toFixed(1)+' / '+ (d||0).toFixed(1)+'s';
 }
 requestAnimationFrame(tick);
 }
 requestAnimationFrame(tick);
 // MIRROR any tile's own play/pause/seek (native controls) to its siblings
 vids.forEach(function(v){
 v.addEventListener('play', function(){ if(guard) return; playAll(); });
 v.addEventListener('pause', function(){ if(guard||v.ended) return; pauseAll(); });
 v.addEventListener('seeked', function(){ if(guard) return; seekAll(v.currentTime); });
 // loop together: only when the LONGEST (master) ends do we restart everyone from 0,
 // so short tiles freeze on their last frame until the panel loops as a unit.
 v.addEventListener('ended', function(){
 if (guard) return;
 if (v === master){ seekAll(0); playAll(); }
 });
 });
 applyRate(); // apply the default speed immediately
 }
 // ---- a single GLOBAL speed control pinned at the top of each .qfr block -----
 function addGlobalSpeedBar(qfr){
 if (qfr.__qGSpeed) return; qfr.__qGSpeed = true;
 var bar = document.createElement('div'); bar.className = 'q-gspeed';
 var lab = document.createElement('span'); lab.className='q-glab'; lab.textContent='倍速 · playback speed (all panels)';
 var grp = makeSpeedGroup(window.__qSpeed, function(rate){ setGlobalSpeed(rate); }, false);
 var hint = document.createElement('span'); hint.className='q-ghint';
 hint.textContent='clips are short and loop — slow them to 0.25×/0.5× to catch the return moment (per-panel override in each bar)';
 bar.appendChild(lab); bar.appendChild(grp); bar.appendChild(hint);
 // insert right after the intro paragraph (or at the top of the block)
 var intro = qfr.querySelector('.q-intro');
 if (intro && intro.parentNode === qfr) intro.parentNode.insertBefore(bar, intro.nextSibling);
 else qfr.insertBefore(bar, qfr.firstChild);
 qfr.__qGSpeedGroup = grp;
 }
 function setGlobalSpeed(rate){
 window.__qSpeed = rate;
 panels.forEach(function(setSpeed){ setSpeed(rate); }); // drive every registered panel
 document.querySelectorAll('.qfr').forEach(function(q){ if(q.__qGSpeedGroup) q.__qGSpeedGroup._sync(rate); });
 }
 function scan(root){
 (root||document).querySelectorAll('.qfr').forEach(addGlobalSpeedBar);
 (root||document).querySelectorAll('.qfr .q-grid').forEach(wireGrid);
 // still lazy-load any data-src videos on scroll (kept from the original behavior)
 (root||document).querySelectorAll('.qfr video[data-src]').forEach(function(v){
 if (io) io.observe(v); else activate(v);
 });
 }
 var io = ('IntersectionObserver' in window) ? new IntersectionObserver(function(es){
 es.forEach(function(e){ if(e.isIntersecting){ activate(e.target); io.unobserve(e.target); } });
 }, {rootMargin:'400px 0px'}) : null;
 scan(document);
 document.querySelectorAll('.qfr details.q-bench').forEach(function(d){
 d.addEventListener('toggle', function(){ if (d.open) scan(d); });
 });
})();
</script>