Yasuo YOSHIDA


Proposal of Shift Insensitive Wavelet Decomposition for Stable Analysis
Tadashi MATSUO Yasuo YOSHIDA Nobuyuki NAKAMORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/08/01
Vol. E88-A  No. 8  pp. 2087-2099
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from the 19th Symposium on Signal Processing)
Category: Image
Keyword: 
wavelet transformshift insensitivitydirectional selectivitymeasure of shift sensitivitystable analysis
 Summary | Full Text:PDF(697KB)

Improvement of Cone Beam CT Image Using Singularity Detection
Yi-Qiang YANG Nobuyuki NAKAMORI Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/07/01
Vol. E86-D  No. 7  pp. 1206-1213
Type of Manuscript:  Special Section PAPER (Special Issue on Multiresolution Analysis)
Category: 
Keyword: 
cone beamcomputed tomography (CT)quantum mottlewavelet transformpatient's dosenoise reduction
 Summary | Full Text:PDF(1011.5KB)

Improvement of CT Image Degraded by Quantum Mottle Using Singularity Detection
Yi-Qiang YANG Nobuyuki NAKAMORI Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/01/01
Vol. E86-D  No. 1  pp. 123-130
Type of Manuscript:  PAPER
Category: Medical Engineering
Keyword: 
computed tomography (CT)quantum mottlewavelet transformpatient's dosenoise reduction
 Summary | Full Text:PDF(3MB)

Region-Adaptive Image Restoration Using Wavelet Denoising Technique
Jianyin LU Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/01/01
Vol. E85-D  No. 1  pp. 286-290
Type of Manuscript:  LETTER
Category: Image Processing, Image Pattern Recognition
Keyword: 
image restorationconstrained least squaresartifact suppressionwavelet denoising
 Summary | Full Text:PDF(2.7MB)

Blurred Image Recognition Based on Phase Invariants
Jianyin LU Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/08/25
Vol. E82-A  No. 8  pp. 1450-1455
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
phase invariantstemplate matchingphase correlationFourier transform
 Summary | Full Text:PDF(828.1KB)

Classification of Rotated and Scaled Textured Images Using Invariants Based on Spectral Moments
Yasuo YOSHIDA Yue WU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/08/25
Vol. E81-A  No. 8  pp. 1661-1666
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
spectral momentsrotation invariantsscale invariantstexture classification
 Summary | Full Text:PDF(634.4KB)

A Multiscale Antidiffusion and Restoration Approach for Gaussian Blurred Images
Qiang LI Yasuo YOSHIDA Nobuyuki NAKAMORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/05/25
Vol. E81-A  No. 5  pp. 895-903
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
diffusionantidiffusionrestorationGaussian blurmultiscale
 Summary | Full Text:PDF(1.1MB)

Parameter Estimation and Restoration for Motion Blurred Images
Qiang LI Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/08/25
Vol. E80-A  No. 8  pp. 1430-1437
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
restorationmotion blurpower spectrumparameter estimationWiener filter
 Summary | Full Text:PDF(854.1KB)

Rotation and Scaling Invariant Parameters of Textured Images and Its Applications
Yue WU Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/08/25
Vol. E78-A  No. 8  pp. 944-950
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
textureclassificationWold decompostitonrotation and scaling invariant parameters
 Summary | Full Text:PDF(676.2KB)

A Convolution Property for Sinusoidal Unitary Transforms
Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/05/25
Vol. E77-A  No. 5  pp. 856-863
Type of Manuscript:  Special Section LETTER (Special Section on Signal Processing and System Theory)
Category: 
Keyword: 
DCTDSTconvolution-producteigenvectorboundary condition
 Summary | Full Text:PDF(619.6KB)

Parameter Estimation of Uniform Image Blur Using DCT
Yasuo YOSHIDA Kazuyoshi HORIIKE Kazuhiro FUJITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/25
Vol. E76-A  No. 7  pp. 1154-1157
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Spring Conference)
Category: 
Keyword: 
eigenvectorconvolution-product propertyblur parametermotion blurout-of-focus blur
 Summary | Full Text:PDF(421.4KB)

Generation of Random Images with Modified Laplace Distributions
Junichi NAKAYAMA Kenichi NAKAMURA Yasuo YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/06/25
Vol. E76-A  No. 6  pp. 1019-1022
Type of Manuscript:  LETTER
Category: Digital Image Processing
Keyword: 
random imagemodified Laplace distributionnon-linear transformation
 Summary | Full Text:PDF(485.3KB)