Segmentation

• Here's the Wikipedia page on "Sementation": https://en.wikipedia.org/wiki/Image_segmentation

• Here's a paper on segmentation by color grouping: http://cs.brown.edu/~pff/papers/seg-ijcv.pdf

• Here's a meta-study of different segmentation techniques: http://perso.telecom-paristech.fr/~elc/papers/pami96.pdf