Green Screen Matting

An Implementation of Green Screen Matting by Color Removal and Bayesian Matting

This is an implement of Green Screen Matting through two methods: One is directly remove the pixel whose rgb value is close to green, and the other uses bayesian matting of paper "A Bayesian Approach to Digital Matting".

Prerequisites

OpenCV 3.0+ and Eigen is required.

images

• the image before matting

• the input trimap

• the output foreground mask

• the output foreground image

Related paper

@article{Yung-Yu Chuang,
  title={A Bayesian Approach to Digital Matting},
  author={Yung-Yu Chuang, Brian Curless, David H. Salesin, Richard Szeliski2},
  journal={IEEE Computer Society Conference on Computer Vision and Pattern Recognition}, 
  year={2001},
  volume={2}, 
  number={4}, 
  pages={264-271}}

Article

For more implement details, please refer to my article 贝叶斯估计、最大似然估计、最大后验概率与Baysian Matting