Hybrid Particle Swarm Optimization for Automatically Detect the Breast Border and Nipple Position to Identify the Suspicious Regions on Digital Mammograms Based on Asymmetries

M. Karnan, R. Sivakumar, M. Almelumangai, K. Selvanayagi and T. Logeswari

International Journal of Soft Computing 3 ( 3 ): 220 - 223 , 2008