Toshihisa TANAKA


Maxima Exploitation for Reference Blurring Function in Motion Deconvolution
Rachel Mabanag CHONG Toshihisa TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/03/01
Vol. E94-A  No. 3  pp. 921-928
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
image maximaalternate minimizationtotal variationpoint spread function
 Summary | Full Text:PDF(434KB)

Moving Picture Coding by Lapped Transform and Edge Adaptive Deblocking Filter with Zero Pruning SPIHT
Nasharuddin ZAINAL Toshihisa TANAKA Yukihiko YAMASHITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/06/01
Vol. E93-D  No. 6  pp. 1608-1617
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
lapped transform (LT)adaptive deblocking filterzero pruning set partitioning in hierarchical trees (zpSPIHT)motion compensated prediction
 Summary | Full Text:PDF(915.5KB)

Extraction of High-Resolution Frame from Low-Resolution Video Sequence Using Region-Based Motion Estimation
Osama Ahmed OMER Toshihisa TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/04/01
Vol. E93-A  No. 4  pp. 742-751
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
super-resolutionregion matchingimage registrationresolution enhancement
 Summary | Full Text:PDF(1.2MB)

Detection and Classification of Invariant Blurs
Rachel Mabanag CHONG Toshihisa TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3313-3320
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: Imaging
Keyword: 
image extremainvariant blursblur detectionblur classification
 Summary | Full Text:PDF(544.8KB)

Image Restoration Based on Adaptive Directional Regularization
Osama AHMED OMER Toshihisa TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3344-3354
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: Processing
Keyword: 
image restorationadaptive regularizationdirectional regularization
 Summary | Full Text:PDF(505.6KB)

Privacy Protection by Masking Moving Objects for Security Cameras
Kenichi YABUTA Hitoshi KITAZAWA Toshihisa TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 919-927
Type of Manuscript:  PAPER
Category: Image
Keyword: 
security cameraprivacy protectionwatermarkingJPEGmoving object extraction
 Summary | Full Text:PDF(2.1MB)

Time-Domain Blind Signal Separation of Convolutive Mixtures via Multidimensional Independent Component Analysis
Takahiro MURAKAMI Toshihisa TANAKA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 733-744
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
blind signal separationconvolutive mixturemultidimensional independent component analysisindependent subspace analysis
 Summary | Full Text:PDF(1.2MB)

Measurement of Similarity between Latent Variables
Takahiro MURAKAMI Toshihisa TANAKA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 824-831
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
similarityFIR filterMSEeigenvalue problemcorrelation coefficient
 Summary | Full Text:PDF(293.9KB)

A Time-Varying Subband Transform with Projection-Based Reconstruction
Toshihisa TANAKA Takateru SAITO Yukihiko YAMASHITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 1935-1941
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
subband transformfilter bankPOCSimage coding
 Summary | Full Text:PDF(699.4KB)

Vector-Embedded Karhunen-Loeve Transform and Its Application in Orientation Adaptive Coding of Images
Toshihisa TANAKA Yukihiko YAMASHITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6  pp. 1257-1266
Type of Manuscript:  PAPER
Category: Image
Keyword: 
Karhunen-Loeve transformorientation adaptive transformimage coding
 Summary | Full Text:PDF(3.9MB)