@article{motionphysdetectingaigeneratedvideosviap, title = {MotionPhys: Detecting AI-Generated Videos via Physical Consistency of Optical-Flow Trajectories}, author = {Haojin He and Hao Tan and Zichang Tan and Ajian Liu and Jun Wan}, year = {2026}, eprint = {2608.20770}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2608.20770}, }