Tatsuo SUGIMURA


A Relation between Self-Reciprocal Transformation and Normal Basis over Odd Characteristic Field
Shigeki KOBAYASHI Yasuyuki NOGAMI Tatsuo SUGIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1923-1931
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
self-reciprocal irreducible polynomialnormal basis
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Simultaneous Halftone Image Generation with Improved Multiobjective Genetic Algorithm
Hernan AGUIRRE Kiyoshi TANAKA Tatsuo SUGIMURA Shinjiro OSHITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 1869-1882
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
multiobjective genetic algorithmmultiobjective optimizationimage halftoning problemcooperative-competitive genetic operators
 Summary | Full Text:PDF(3.2MB)

Data Hiding under Fractal Image Generation via Fourier Filtering Method
Shuichi TAKANO Kiyoshi TANAKA Tatsuo SUGIMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/01/01
Vol. E84-D  No. 1  pp. 171-178
Type of Manuscript:  PAPER
Category: Image Processing, Image Pattern Recognition
Keyword: 
data hidingmultimediafractal image generationfractional Brownian motion (fBm)Fourier filtering methodcomputer graphics
 Summary | Full Text:PDF(2.4MB)

Accelerated Image Halftoning Technique Using Improved Genetic Algorithm
Hernan AGUIRRE Kiyoshi TANAKA Tatsuo SUGIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/08/25
Vol. E83-A  No. 8  pp. 1566-1574
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
image halftoning techniquegenetic algorithmscooperative genetic operatorsself-reproduction with mutationadaptive mutation
 Summary | Full Text:PDF(2MB)

Data Hiding via Steganographic Image Transformation
Shuichi TAKANO Kiyoshi TANAKA Tatsuo SUGIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 311-319
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Signal and Image Processing)
Category: 
Keyword: 
steganographydata hidingmultimediafractalFourier filtering methodfBm (fractional Brownian motion)computer graphics
 Summary | Full Text:PDF(3.3MB)