RANGARAJ M. RANGAYYAN, PhD, is Professor in the Department of Electrical and Computer Engineering at the University of Calgary in Calgary, Alberta, Canada, where he received the 1997 and 2001 Research Excellence Awards and the Killam Resident Fellowship in support of writing this book. He earned his doctorate in electrical engineering from the India Institute of Science in Bangalore, India. He is a Fellow of the IEEE, and was awarded the Third Millennium Medal of the IEEE in 2000.