K. R. RAO, PhD, is Professor of Electrical Engineering, The University of Texas at Arlington. Dr. Rao, along with two colleagues, developed and introduced the Discrete Cosine Transform (DCT) in 1975, widely used in digital signal processing. He has authored and edited numerous books and published extensively in leading engineering journals.
ZORAN S. BOJKOVIC, PhD, is Professor of Electrical Engineering, University of Belgrade, Serbia. He has coauthored two books with Dr. Rao.
DRAGORAD A. MILOVANOVIC, is a PhD candidate, Department of Electrical Engineering, University of Belgrade, Serbia.