VIPER: Visual In-Context Physics Reasoning for Physically Plausible Video Generation

• URL: http://arxiv.org/abs/2607.23472v1
• Date: Sun, 26 Jul 2026 05:55:49 GMT
• Title: VIPER: Visual In-Context Physics Reasoning for Physically Plausible Video Generation
• Abstract summary: VIPER is a framework for reference-guided image-to-video generation.<n>It uses a Multimodal Large Language Model to extract reference-derived physical cues.<n>It achieves stronger reference-video physical similarity and higher human preference than representative video generation.
• Score: 24.373968967561993
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Modern video generation models can synthesize visually compelling and temporally coherent clips, yet controlling their physical behavior remains difficult with standard text and image conditions. The core challenge is a conditioning bottleneck: material response, contact interaction, deformation, and motion trajectory are continuous and relational physical cues that are hard to specify exhaustively in language but can be demonstrated naturally by video. We propose VIPER, a Visual In-Context Physics Reasoning framework for reference-guided image-to-video generation. Given a target image, a brief target prompt, and a reference video, VIPER treats the reference as a dense visual demonstration of the desired physical process rather than an appearance template. It uses a Multimodal Large Language Model (MLLM) to extract reference-derived physical cues and guide a pretrained image-to-video generator through a hierarchical training strategy, enabling physical behavior transfer while preserving the visual prior of the base generator. To support this setting, we construct VIPER-19K, a curated dataset with material, trajectory, and physical-impact annotations, together with filtered reference-target pairs. Experiments on an unseen validation set show that VIPER achieves stronger reference-video physical similarity and higher human preference than representative video generation and video-as-prompt baselines, while maintaining competitive general video quality. Qualitative results further demonstrate that VIPER can transfer reference-derived physical behavior to new target scenes without requiring carefully engineered prompts.

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