1. Hall, O., Barak, I., Bezdek, J.C.: Clustering with a genetically optimized approach. IEEE Trans. Evo. Computation 3, 103–112 (1999)
2. Haralick, R.M., Shapiro, L.G.: Image segmentation techniques. Computer Vision, Graphics, and Image Processing 29, 100–132 (1985)
3. Jain, A.K.: Fundamentals of Digital Image Processing. Prentic Hall, Upper Saddle River (1989)
4. Malyszko, D., Stepaniuk, J.: Granular Multilevel Rough Entropy Thresholding in 2D Domain, Intelligent Information Systems 2008. In: Proceedings of the International IIS 2008 Conference, pp. 151–160 (2008)
5. Malyszko, D., Stepaniuk, J.: Rough Entropy Clustering Algorithm (in review)