1. Grady L, Funka-Lea G (2004) Multi-label image segmentation for medical applications based on graphtheoretic electrical potentials. In: Computer Vision and Mathematical Methods in Medical and Biomedical Image Analysis, p 230–245
2. Astola J, Kuosmaneen P. Fundamental of nonlinear digital filtering. Boca Raton: CRC; 1997.
3. Gonzalez RC, Woods RE. Digital image processing. 2nd ed. Englewood Cliffs: Prentice Hall; 2002.
4. Aishwarya K, Jayaraj V, Ebenezer D (2010) A new and efficient algorithm for the removal of high density salt and pepper noise in images and videos. In: Second International Conference on Computer Modeling and Simulation, p 409–413
5. Chu S-C, Tsai P-W. Computational intelligence based on the behavior of cats. International Journal of Innovative Computing Information and Control. 2007;3:163–73.