VideoCoCo Fixes Video Physics by Generating Executable Code
TinfoilTricorn · x · 2026-08-23
Researchers from CUHK and USTC introduced VideoCoCo to address physical commonsense errors in text-to-video models (e.g., non-melting butter, non-crumpling bottles).
Core Mechanism:
- Code-as-Chain-of-Thought: Instead of hallucinating physics in pixel space, the model first generates executable code that spells out the physical process step-by-step.
- Dual-Engine Agent: This code serves as a blueprint for the final video generation, turning implicit physical reasoning into an explicit, checkable artifact.
Results: Significantly improves physical plausibility on the PhyGenBench benchmark, fixing hallucinations in speed, order, and causality.
Related event: VideoCoCo fixes physics errors in video generation via executable code(2 posts)→
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