We Taught an AI to Edit Video Motion

We present Edit-by-Track—a framework that enables precise video motion editing via 3D point tracks. Reference: Yao-Chih Lee, Zhoutong Zhang, Jiahui Huang, Jui-Hsien Wang, Joon-Young Lee, Jia-Bin Huang, Eli Shechtman, Zhengqi Li Generative Video Motion Editing with 3D Point Tracks arXiv 2025 https://arxiv.org/abs/2512.02015 Check out the project page for more results: https://edit-by-track.github.io/ 00:00 Introduction 00:29 Edit-by-Track 00:53 Object removal 01:30 Shape deformation 02:02 Multi-subject editing 02:23 Dynamic view synthesis 02:53 Fine-grained control 03:18 Handling partial t…