Kenneth CastlemanKenneth 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 .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. Read More Read Less