received the B.E., the M.E. and the Dr.E. in electrical engineering all from the University of Tokyo in 1983, 1985, 1988 respectively.
He is currently a Professor at the Department of Information and Communication Engineering of the University of Tokyo. He was a visiting assistant professor at University of Illinois from 1990 to 1992.
His research interests have been in image coding, processing and multimedia applications, and he is currently engaged in multimedia lifelog and other multimedia related subjects.
He received the 1987 Young Engineer Award and the 1990, 1998 Best Paper Award, the 1991 Achievement Award, 1999 Electronics Society Award, Fellow award 2012 from IEICE Japan, and the 1998 Fujio Frontier Award the 2002, 2005, 2009 Best Paper Award and Fellow from ITE Japan. He received IBM Japan Science Prize 2002. He is awarded IEEE Fellow.
He is currently an Senior Associate Editor of IEEE Trans. Image Processing and is on Editorial Board of ACM TOMM. He served as the Editor in Chief of Journal of ITE Japan, an Associate Editor of IEEE Trans. IP, IEEE Trans. CSVT and IEEE Trans. Multimedia. He has served a number of international and domestic conferences; he was/is a General co-Chair of ACM Multimedia2012, IEEE VCIP2012 and ACM ICMR2018.
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