PhysAlign I2V · 最佳模型 a14b_2x 效果

Wan2.2-I2V-A14B + V-JEPA2 对齐（双expert忠实复现）。Physics-IQ 官方 benchmark 上 GT / Base / 我们的模型 a14b_2x，挑 a14b_2x 比 base 涨分最高的真实场景。官方分 31.75 → 37.04。

指标（方向）basefmdual_buggya14b_2x ⭐
Physics-IQ ↑31.75—37.04
PhyCo ST-IoU ↑0.097—0.311
PisaBench IoU ↑0.018—0.070

Physics-IQ 官方协议 · 涨分最高的场景

官方头条 benchmark（base 31.75 → a14b_2x 37.04）。fmdual_buggy = 与 a14b_2x 同 buggy 数据、仅去掉 V-JEPA 对齐，用于隔离对齐贡献。

two-balls-pass
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A light-colored wooden tabletop with two pipes at the edges. A blue and yellow tennis ball roll out of the pipes and towards eachother. …

base ST-IoU: 0.08a14b_2x ST-IoU: 0.60涨幅: +0.52
lit-candle
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

Two candle holders that have tall red candles in them are placed on a wooden table. One of the candles is burning. Static shot with no …

base ST-IoU: 0.46a14b_2x ST-IoU: 0.95涨幅: +0.48
marble-run-x
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A few magnetic ramps are attached to a whiteboard for a game of marble run. A yellow marble is released at the top of the ramps and slides …

base ST-IoU: 0.02a14b_2x ST-IoU: 0.50涨幅: +0.48
roll-behind-box
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A small white lampshade is on a light wood surface. A grey tennis ball rolls out of the black tube sitting on the table and rolls on the …

base ST-IoU: 0.05a14b_2x ST-IoU: 0.42涨幅: +0.37
ball-train
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A light-colored coffee table with two tennis balls, one orange and one brown, placed near the center back to back. A grey tennis ball rolls …

base ST-IoU: 0.14a14b_2x ST-IoU: 0.49涨幅: +0.35
ball-rolls-on-glass
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A piece of clear glass resting on the edge of a light-colored wooden table against a plain white wall. A blue tennis ball rolls on the …

base ST-IoU: 0.08a14b_2x ST-IoU: 0.42涨幅: +0.34
weight-on-ceramic
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A 30lb kettlebell is slowly lowered on top of a yellow ceramic coffee mug placed on a wooden table. Static shot with no camera movement.

base ST-IoU: 0.06a14b_2x ST-IoU: 0.38涨幅: +0.32
rolling-reflection
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A 30lb kettlebell resting on a wooden table next to a mirror. A tennis ball rolls towards the kettlebell. Static shot with no camera …

base ST-IoU: 0.12a14b_2x ST-IoU: 0.41涨幅: +0.30
magnet-wrench
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A powerful magnet is placed on the table facing a black rotating platform that rotates clockwise. A small metal wrench is placed on the …

base ST-IoU: 0.02a14b_2x ST-IoU: 0.31涨幅: +0.29
roll-front-box
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A small white lampshade is on a light wood surface. A grey tennis ball rolls out of the black tube sitting on the table and rolls on the …

base ST-IoU: 0.27a14b_2x ST-IoU: 0.54涨幅: +0.27
napkin-soak
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A grabber tool holds a piece of paper towel over a shallow dish of light blue liquid on a wooden table. The grabber releases the paper …

base ST-IoU: 0.05a14b_2x ST-IoU: 0.29涨幅: +0.24
glass-stays-same
Ground truth（真实）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

A glass beverage dispenser filled with a bright red liquid is set on a wicker base. Under the dispenser there is a glass half filled with …

base ST-IoU: 0.31a14b_2x ST-IoU: 0.53涨幅: +0.22

PhyCo 域内 test set · continuation（合成物理，带真实 GT）

PhyCo held-out 测试集:给定首帧续帧 vs 真实后续片段。域内 ST-IoU 总体 base 0.10 → a14b_2x 0.31（3.2×）。按场景标注（合成数据不显示 caption）。

ball
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

小球落地反弹

base ST-IoU: 0.24a14b_2x ST-IoU: 0.85涨幅: +0.60
ball
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

小球落地反弹

base ST-IoU: 0.01a14b_2x ST-IoU: 0.59涨幅: +0.58
ball
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

小球撞墙反弹

base ST-IoU: 0.33a14b_2x ST-IoU: 0.88涨幅: +0.55
ball
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

小球撞墙反弹

base ST-IoU: 0.07a14b_2x ST-IoU: 0.55涨幅: +0.48
friction
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

受力滑块摩擦减速

base ST-IoU: 0.01a14b_2x ST-IoU: 0.62涨幅: +0.62
friction
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

受力滑块摩擦减速

base ST-IoU: 0.02a14b_2x ST-IoU: 0.40涨幅: +0.38
pool
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

台球撞击散开

base ST-IoU: 0.00a14b_2x ST-IoU: 0.06涨幅: +0.05
pool
Ground truth（真实续帧）
Base（未训练）
fmdual_buggy
a14b_2x ⭐

台球撞击散开

base ST-IoU: 0.01a14b_2x ST-IoU: 0.05涨幅: +0.04