Associate Professor Fatima Merchant works at Computer Engineering Technology and Computational Health Informatics in Houston, TX, USA. Kenneth R. Castleman is the president of Advanced Digital Imaging Research (ADIR), the author of the canonical textbook Digital Image Processing ISBN 0-13-211467-4 and an authority in the field of image processing and pattern recognition. He holds a B.S, M.S. and Ph.D. all in electrical engineering from The University of Texas at Austin. In 1984, he co-founded Perceptive Systems, Inc (PSI) with Don Winkler in League City, TX.