> Hair, delicate clothes, tree branches and other fine objects will never be segmented perfectly, even because the ground truth segmentation does not contain th

> Hair, delicate clothes, tree branches and other fine objects will never be segmented perfectly, even because the ground truth segmentation does not contain these subtleties. The task of separating such delicate segmentation is called matting, and defines a different challenge. The state of the art in natural image matting already is confronting fine details as well as image segmentation and clustering. Copying papers from 10-12 years ago would give much better results than he shows here.