Actually Shared Matting is far more applicable than KNN Matting. It's designed for real time use and has a post processing step which will help you deal with fi

Actually Shared Matting is far more applicable than KNN Matting. It's designed for real time use and has a post processing step which will help you deal with fine detail like hair. http://www.inf.ufrgs.br/~eslgastal/SharedMatting/ http://www.inf.ufrgs.br/~eslgastal/SharedMatting/