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cross_tool_methodology.md
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@@ -156,14 +156,14 @@ show the models' gaze is strong when evaluated the way the field reports it:
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| Tool | MPII(Gaze) | Gaze360 | source |
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| **py-feat v2.4** | **
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| **OpenFace 3.0** | **2.56°** | 10.6° | OF3 paper (arXiv 2506.02891) |
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| **L2CS-Net** (py-feat's gaze lineage) | 3.92° | 10.41° | L2CS paper (arXiv 2203.03339) |
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| **LibreFace 2.0** | — | 14.68° | landmark-MLP, "Is Geometry Enough?" (arXiv 2603.24724) |
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py-feat v2.4's gaze is **competitive with the published appearance-based
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baselines on their own benchmarks** — MPIIGaze
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and Gaze360
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**MediaPipe-landmark MLP** (not appearance-based), which it reports at 14.68° on
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Gaze360 — weaker by design, consistent with it being last in our harness. (One
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as-shipped detail, not a knock: the pip `get_facial_attributes`/`estimate_gaze`
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@@ -177,7 +177,7 @@ its home dataset, normalized, best case — what it *can* do. **Measured
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cross-tool (the main gaze table):** every model run end-to-end as shipped on
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held-out data — what you *get*. The big measured numbers (20–44°) are the
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out-of-distribution + cross-frame penalty, not weak models: in-distribution,
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py-feat gaze is 4–
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a cross-check, our harness re-evaluating OF3 *outside* its normalized protocol
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reproduced the same collapse — OF3 20.4° on MPIIGaze, 49.9° on Gaze360 vs its
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paper's 2.56°/10.6°.)
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| Tool | MPII(Gaze) | Gaze360 | source |
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|------|:---:|:---:|---|
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| **py-feat v2.4** | **3.92°** | **6.81°** | au_deep v2.4 (deployed v24fix ckpt, weight-verified; in-distribution) |
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| **OpenFace 3.0** | **2.56°** | 10.6° | OF3 paper (arXiv 2506.02891) |
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| **L2CS-Net** (py-feat's gaze lineage) | 3.92° | 10.41° | L2CS paper (arXiv 2203.03339) |
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| **LibreFace 2.0** | — | 14.68° | landmark-MLP, "Is Geometry Enough?" (arXiv 2603.24724) |
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py-feat v2.4's gaze is **competitive with the published appearance-based
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baselines on their own benchmarks** — MPIIGaze 3.92° (matching L2CS, vs OF3
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2.56°) and Gaze360 6.81° (beating L2CS 10.41° and OF3 10.6°). LibreFace 2.0's gaze is a
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**MediaPipe-landmark MLP** (not appearance-based), which it reports at 14.68° on
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Gaze360 — weaker by design, consistent with it being last in our harness. (One
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as-shipped detail, not a knock: the pip `get_facial_attributes`/`estimate_gaze`
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cross-tool (the main gaze table):** every model run end-to-end as shipped on
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held-out data — what you *get*. The big measured numbers (20–44°) are the
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out-of-distribution + cross-frame penalty, not weak models: in-distribution,
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py-feat gaze is 4–7°. (As
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a cross-check, our harness re-evaluating OF3 *outside* its normalized protocol
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reproduced the same collapse — OF3 20.4° on MPIIGaze, 49.9° on Gaze360 vs its
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paper's 2.56°/10.6°.)
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