---
title: VideoMaMa++
emoji: 🎬
colorFrom: blue
colorTo: purple
sdk: gradio
sdk_version: 6.29.1
python_version: "3.12"
app_file: app.py
pinned: false
license: cc-by-nc-4.0
short_description: Temporally consistent video matting (NeurIPS 2026)
---

# VideoMaMa++ demo

Interactive demo of **VideoMaMa++: Temporally Consistent Video Matting via Preserve-and-Refine Tokens** (NeurIPS 2026).

SAM3 tracks the object you click (or name), and VideoMaMa++ turns that mask track into an alpha matte that stays consistent across chunk boundaries.

- Project page: https://cvlab-kaist.github.io/VideoMaMa-PlusPlus
- Code: https://github.com/cvlab-kaist/VideoMaMa-PlusPlus