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| <title>expM — parallel-concat + rate-sync (first readout @4500)</title> | |
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| <h1>expM — PARALLEL-CONCAT + RATE-SYNC · first readout</h1> | |
| <div class="sub">2026-07-29 · T2V-1.3B full-FT · 50 denoise steps · dev 4-clip (2 train + 2 test) · fwd18-k metric family · | |
| rows: GT | expM_par(+Plücker) | expM_nopl | expL_nk(reference)</div> | |
| <div class="note"> | |
| <b>Recipe.</b> Source = 5 clean ctx latent frames as a second token half (frame-aligned RoPE, told pinned .02); | |
| target = full 21 frames from <b>pure noise everywhere</b> (PatchForcing init). Knownness sets only the | |
| <b>descent rate</b>: T<sub>i</sub> = 1 − 0.5·k<sub>i</sub>; known tokens land early, x0-project, pin as clean attention | |
| references (expH). Training field == inference calendar family (branch1 exact slice t = clamp(1−c/T<sub>i</sub>), | |
| branch2 AsyncPatch-style bounded per-patch clock jitter). No warp / z_mem anywhere; content rides self-attention only. | |
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| <h2>seen-PSNR (dB) / unseen-gray <span style="font-weight:400;color:#8b949e">(gray more negative = richer unseen content)</span></h2> | |
| <table> | |
| <tr><th>clip</th><th>expM_par @4500<br>+6ch Plücker</th><th>expM_nopl @4500<br>no pose</th><th>expL_nk @9500<br>in-seq + z_mem init</th></tr> | |
| <tr><td class="name">00534f58 (train)</td><td>10.6 / −33.3</td><td>10.6 / −36.7</td><td>11.6 / −29.7</td></tr> | |
| <tr><td class="name">0003dc82 (train)</td><td>10.9 / −32.4</td><td>10.4 / −45.4</td><td>13.1 / −20.0</td></tr> | |
| <tr><td class="name">111b656f (test)</td><td>11.5 / −45.2</td><td>11.6 / −37.6</td><td class="lead">16.2 / −17.1</td></tr> | |
| <tr><td class="name">2501f488 (test)</td><td>11.4 / −35.2</td><td>11.3 / −36.2</td><td>10.6 / −28.9</td></tr> | |
| <tr><td class="name"><b>avg</b></td><td><b>11.10</b></td><td><b>10.98</b></td><td><b>12.88</b></td></tr> | |
| </table> | |
| <div class="note"> | |
| <b>Reading (honest).</b> | |
| ① expM trails expL_nk by ~1.8dB but the comparison is <span class="warn">not matched</span>: expM is at 4500/10k steps | |
| (expL at 9500) and expL_nk infers with SDEdit init from z_mem — geometric alignment is free; expM starts from pure | |
| noise and moves all content via attention. ② Plücker vs no-pose: +0.12dB — <span class="warn">not separated yet</span> | |
| at 4500 (zero-init channels engage late); verdict deferred to 10k. ③ Bright spot: expM's unseen-gray is markedly | |
| richer (−33…−45 vs −17…−30) — the pure-noise start + rehearsal preserves generation energy; the bottleneck is | |
| <b>alignment, not content</b> (mild CameraAnything pattern). Next: matched-step rerun @10k, add expL_uni row | |
| (equal information budget), per-block AdaLN camera injection if Plücker channel stays flat. | |
| </div> | |
| <h2>00534f58 · TRAIN</h2><img src="expm_00534f58.png"><div class="cap">frames 0 / 20 / 40 / 60 / 80 — rows: GT · expM_par · expM_nopl · expL_nk</div> | |
| <h2>0003dc82 · TRAIN</h2><img src="expm_0003dc82.png"><div class="cap">frames 0 / 20 / 40 / 60 / 80</div> | |
| <h2>111b656f · TEST</h2><img src="expm_111b656f.png"><div class="cap">frames 0 / 20 / 40 / 60 / 80</div> | |
| <h2>2501f488 · TEST</h2><img src="expm_2501f488.png"><div class="cap">frames 0 / 20 / 40 / 60 / 80</div> | |
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