KIYA Hitoshi

J-GLOBAL         Last updated: Jul 16, 2019 at 19:20
KIYA Hitoshi
Tokyo Metropolitan University
Department of Computer science
Job title
PhD(Tokyo Metropolitan University)
Research funding number


Dr. Hitoshi Kiya is a Professor of the Department of Computer Science in Tokyo Metropolitan University. He received his B.E and M.E. degrees from Nagaoka University of Technology, in 1980 and 1982 respectively, and his Dr. Eng. degree from Tokyo Metropolitan University in 1987. In 1982, he joined Tokyo Metropolitan University, where he became a Full Professor in 2000. From 1995 to 1996, he attended the University of Sydney, Australia as a Visiting Fellow.
He is a Fellow of IEEE, IEICE and ITE. He currently serves as President of APSIPA, and he served as Inaugural Vice President (Technical Activities) of APSIPA from 2009 to 2013, and as Regional Director-at-Large for Region 10 of the IEEE Signal Processing Society from 2016 to 2017. He was also President of the IEICE Engineering Sciences Society from 2011 to 2012, and he served there as a Vice President and Editor-in-Chief for IEICE Society Magazine and Society Publications. He was Editorial Board Member of eight journals, including IEEE Trans. on Signal Processing, Image Processing, and Information Forensics and Security, Chair of two technical committees and Member of nine technical committees including APSIPA Image, Video, and Multimedia Technical Committee (TC), and IEEE Information Forensics and Security TC. He has organized a lot of international conferences, in such roles as TPC Chair of IEEE ICASSP 2012 and as General Co-Chair of IEEE ISCAS 2019. He has received numerous awards, including six best paper awards.

Research Areas


Academic & Professional Experience

- Tokyo Metropolitan University, Professor
Tokyo Metropolitan University, Associate Professor
Tokyo Metropolitan University, Research Assistant


Electronics Engineering, Graduate School, Division of Engineering, Nagaoka University of Technology
Electrical and Electronics Systems Engineering, Faculty of Engineering, Nagaoka University of Technology

Awards & Honors

ITC-CSCC2018 Best Paper Award
IEEE ICCE-Asia Best Paper Award
President-Elect (2017-2018), APSIPA Certificate of Appreciation,
Certificate of Appreciation, Associate Editor of IEEE Transactions on Information Forensics and Security (2013-2017), IEEE Signal Processing Society
2016-2017 Regional Director-at-Large (Region 10), IEEE Signal Processing Society Certificate of Merit

Published Papers

Encryption-then-Compression Systems using Grayscale-based Image Encryption for JPEG Images
16(6) 1515-1525   Jun 2019   [Refereed]
Scene Segmentation-Based Luminance Adjustment for Multi-Exposure Image Fusion
Yuma KINOSHITA and Hitoshi KIYA
   2019   [Refereed]


Compressible and Learnable Encryption for Untrusted Cloud Environments (Invited)
KIYA Hitoshi
APSIPA Magazine      Nov 2018   [Invited]
An Efficient Unified-Tone-Mapping Operation for HDR Images with Various Formats (Invited)
Hitoshi KIYA and Toshiyuki DOBASHI
ITE Transactions on Media Technology and Applications   4(1) 2-9   Jan 2016   [Refereed][Invited]
Signal and Image Processing in the Encrypted Domain (Invited)
Hitoshi KIYA and Masaaki FUJIYOSHI
ECTI Transactions on Computer Engineering, Computer and Information Technology   6(1) 11-18   May 2012   [Refereed][Invited]
Property of Circular Convolution for Subband Image Coding
IEICE Trans.   E75A(7)    1992
Consideration on Adaptive System Identification Based on Filter Banks
IEICE Trans.   J74-A(12)    1991

Books etc

Multimedia Information Hiding Technologies and Methodologies for Controlling Data
Masaaki Fujiyoshi and Hitoshi Kiya (Part:Joint Work)
IGI Global   2012   
Multimedia - A Multidisciplinary Approach to Complex Issues
Shoko Imaizumi, Masaaki Fujiyoshi and Hitoshi Kiya (Part:Contributor)
InTech,   2012   
Signal Processing
Hitoshi Kiya and Izumi Ito (Part:Contributor)
InTech,   2010   
Wavelet Transform and Its Applications
Asakura   2001   
Digital Signal Processing
Shoukoudou   1997   

Research Grants & Projects

Image Compression
VLSI for Digital Signal Processing
Multirate Signal Processing and its Applications