Prof. Dr. Masahiro Okuda received the B.E. , M.E. , and Dr. Eng. in 1993, 1995, 1998, respectively from Keio University, Yokohama, Japan. He was with University of California, Santa Barbara and Carnegie Mellon University as a visiting scholar in 1998 and 1999, respectively. He has been on the faculty of The University of Kitakyushu as an associate professor of Environmental Engineering since 2001. His research interests include filter design, vision/geometry coding, and multirate signal processing.