This paper provides an algorithm for partitioning grayscale images into disjoint regions of coherent brightness and texture. Natural images contain both textured and untextured regions, so the cues of contour and texture differences are exploited

Contour and Texture Analysis for Image Segmentation外籍学习资料-research reference： “Contour and Texture Analysis for Image Segmentation"

Image Segmentation normalization method by J. Shi and J Malik, Normalized Cuts and Image Segmentation