Takashi KOMATSU


Color Shrinkage for Color-Image Sparse Coding and Its Applications
Takahiro SAITO Yasutaka UEDA Takashi KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 480-492
Type of Manuscript:  INVITED PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
color-image processingtight-frame transformdenoisingdemosaicingdeblurring
 Summary | Full Text:PDF(4.4MB)

Image-Processing Approach Based on Nonlinear Image-Decomposition
Takahiro SAITO Takashi KOMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 696-707
Type of Manuscript:  INVITED PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
image decompositiontotal variationvariational problemimage processingimage interpolationimage denoising
 Summary | Full Text:PDF(2.2MB)

High-Fidelity Sub-Band Coding for Very High Resolution Images
Takahiro SAITO Hirofumi HIGUCHI Takashi KOMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/05/25
Vol. E75-B  No. 5  pp. 327-339
Type of Manuscript:  Special Section PAPER (Special Issue on Video Coding and Its Applications)
Category: 
Keyword: 
high-fidelity image codingintraframe codingsub-band codingrate-adaptive codingquantization
 Summary | Full Text:PDF(1.3MB)

Multi-Dimensional Lossy Coding via Copying with Its Practical Application to Interframe Low-Rate Video Compression
Takahiro SAITO Ryuji ABE Takashi KOMATSU Hiroshi HARASHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/09/25
Vol. E74-A  No. 9  pp. 2513-2522
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(983.3KB)