Rotoscoping traces a subject frame by frame so it can be composited onto a new background or edited separately. Video segmenters like SAM 2 automate the per-frame masking that artists used to draw manually, cutting hours of post-production work.
The book · Volume 6 of 7
AI for Video: A Complete Guide to Intelligence in Video Products: From Models and Inference to Computer Vision, Speech, Search, and Generative Video
Rotoscoping used to eat days of artist time per shot, and AI segmentation now does most of that work if masks stay stable across frames. Volume 6 covers rotoscoping in detail through video segmentation: SAM 2 and mask propagation, tracking, generative video editing and how to ship such a feature into an editing product. Written by Nikolay Sapunov, CEO at Fora Soft.
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