Dr. A Unnikrishnan- Graduated from REC (Calicut), India in Electrical Engineering(1975), completed his M.Tech from IIT, Kanpur in Electrical Engineering(1978) and Ph.D from IISc, Bangalore in “Image Data Structures”(1988). Presently, he is The Associate Director Naval Physical and Oceanographical Laboratory, Kochi which is a premiere Laboratory of Defence Research and Development Organisation. His field of interests include Sonar Signal Processing, Image Processing and Soft Computing. He has authored about fifty National and International Journal and Conference Papers. He is a Fellow of IETE & IEI, India.