A Novel Approach to Computation of the Shape of a Dot Pattern and Extraction of Its Perceptual Border.

Adrish Ray Chaudhuri Bidyut Baran Chaudhuri Swapan K. Parui A Novel Approach to Computation of the Shape of a Dot Pattern and Extraction of Its Perceptual Border. 257-275 1997 68 Computer Vision and Image Understanding 3 http://dx.doi.org/10.1006/cviu.1997.0550 db/journals/cviu/cviu68.html#ChaudhuriCP97