AI rotoscoping and video matting in ComfyUI: click one person, get a native 4K alpha with hair-level edges. SAM3 picks the subject, LTX-2.5 alpha-gen draws the edge. 12 GB VRAM, EXR in/out, open weights.
vfx compositing rotoscoping matting video-matting alpha-matting sam3 vfx-plugins ltx comfyui comfyui-workflow comfyui-plugin comfyui-custom-node vfx-tools ltxvideo comfyui-node ltx-video comfyui-custom-nodes ltx-2-5 rotoscoping-tools
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Updated
Oct 27, 2026 - Python