IWAHASHI Masahiro

J-GLOBAL         Last updated: Jan 7, 2019 at 15:17
 
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Name
IWAHASHI Masahiro
URL
http://tech.nagaokaut.ac.jp/works/iwa/paper_list_area_en.htm
Affiliation
Nagaoka University of Technology
Job title
Professor
Research funding number
30251854

Profile

Masahiro Iwahashi received his B.Eng, M.Eng. and D.Eng. degrees in electrical engineering from Tokyo Metropolitan University in 1988, 1990 and 1996, respectively. In 1990, he joined Nippon Steel Co. Ltd.. From 1991 to 1992, he was dispatched to Graphics Communication Technology Co. Ltd.. In 1993, he joined Nagaoka University of Technology, where he is currently a professor of Department of Electrical Engineering, Faculty of Technology. From 1995 to 2001, he served concurrently as a lecturer of Nagaoka Technical College. From 1998 to 2001, he was dispatched to Thammasat University, Thailand, and to the Electronic Engineering Polytechnic Institute of Surabaya, Indonesia, as a JICA expert. His research interests are in the area of digital signal processing, multi-rate systems, image compression. He served as an editorial committee member of the transaction on fundamentals of IEICE from 2007 to 2011. He is currently serving as a technical committee member of Image Engineering, and a permanent reviewer of IEICE. He is also serving as a reviewer of ICASSP, ICIP and transaction on IP, SP and CASVT of the IEEE. He is currently a member of APSIPA, and a senior member of IEEE.

Research Areas

 
 

Committee Memberships

 
Sep 2008
 - 
Aug 2009
Multimedia University Malaysia, external examiner of master course student  Multimedia University Malaysia, external examiner of master course student
 
Jan 2009
 - 
Dec 2010
IEEE Shin-etsu section, secretary  IEEE Shin-etsu section, secretary
 
Jun 2009
 - 
May 2010
Technical Program Committee Member of the 24th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2009)  Technical Program Committee Member of the 24th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2009)
 
Jun 2009
 - 
May 2010
Technical Program Committee Member of the 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)  Technical Program Committee Member of the 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)
 
Jun 2010
 - 
May 2011
Technical Program Committee Member of the 2010 Pacific-Rim Conference on Multimedia (PCM 2010)  Technical Program Committee Member of the 2010 Pacific-Rim Conference on Multimedia (PCM 2010)
 

Awards & Honors

 
Jul 2016
Lossless DWT Transcoder Compatible with Lossy DWT for 3D Image, Best Paper Award
 
Mar 2004
Lossless Scalable Coding of Images via Lossless Multi-Channel Prediction, TELECOM system technology award, The telecommunications advancement toundation
 
Jan 2014
A Lossless Compression Method Using Histogram Packing for HDR Images in OpenEXR Format, Best Paper Award, International Workshop on Advanced Image Technology
 

Published Papers

 
Y.Umeki, T.Yoshida, M.IWAHASHI
E101-D(6) 1640-1647   Jul 2018   [Refereed]
Binti Hamzah, Sayaka Minewaki, Taichi Yoshida, Masahiro Iwahashi
2018(36) 1-18   May 2018   [Refereed]
Shogo Nakamura, Atsushi Maruyama, Yuki Kondo, Ayumu Kano, Olga Maria De Sousa, Masahiro Iwahashi, Bayar Hexig, Toshihiro Akaike, Jingyue Li, Yohei Hayashi, Kiyoshi Ohnuma
27(5) 347-354   Mar 2018   [Refereed]
Zeyan Oo, Longbiao Wang, Khomdet Phapatanaburi, Masahiro Iwahashi, Seiichi Nakagawa, Jianwu Dang
77(14) 18865-18880   Feb 2018   [Refereed]

Books etc

 
Discrete Wavelet Transforms Chapter 14, Condition on Word Length of Signals and Coefficients for DC Lossless Property
M. IWAHASHI, H.KIYA
InTech   Sep 2011   ISBN:978-953-307-313-2
Discrete Wavelet Transforms, Non Separable Two Dimensional Discrete Wavelet Transform for Image Signals
M. IWAHASHI, H.KIYA
InTech   Aug 2012   ISBN:980-953-307-580-3

Conference Activities & Talks

 
Safety-level Estimation of Aerial Images based on Convolutional Neural Network for Emergency Landing of Unmanned Aerial Vehicle
I. Funahashi, T. Yoshida, and M. Iwahashi
Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)   14 Nov 2018   
River water quality estimation based on convolutional neural network
T. Oga, Y. Umeki, M. Iwahashi, Y. Matsuda
Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)   14 Nov 2018   
Four-dimensional image compression with region of interest based on non-separable double lifting integer wavelet transform
Fairoza Amira Binti Hamzah, T. Yoshida, M. Iwahashi
Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)   12 Dec 2017   
An inverse tone mapping operation with two integer data for HDR images
Toshiyuki Dobashi, Masahiro Iwahashi, Hitoshi Kiya
IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)   16 Nov 2017   
Phase aware deep neural network for noise robust voice activity detection
Longbiao Wang, Khomdet Phapatanaburi, Zeyan Go, Seiichi Nakagawa, Masahiro Iwahashi, Jianwu Dang
IEEE International Conference on Multimedia and Expo (ICME)   10 Jul 2017   

Association Memberships