Shin-ichi TAKAHASHI


Design of Equiripple Minimum Phase FIR Filters with Ripple Ratio Control
Masahiro OKUDA Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/03/01
Vol. E89-A  No. 3  pp. 751-756
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
FIR filterminimum phaseripple ratiobandpass filters
 Summary | Full Text:PDF(292.3KB)

Simultaneous Approximation for Magnitude and Phase Responses of FIR Digital Filters
Masahiro OKUDA Masahiro YOSHIDA Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/11/01
Vol. E87-A  No. 11  pp. 2957-2963
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
FIR filterscomplex Chebyshev approximationleast squares method
 Summary | Full Text:PDF(774.2KB)

Progressive Geometry Coding of Partitioned 3D Models
Masahiro OKUDA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/11/01
Vol. E86-D  No. 11  pp. 2418-2425
Type of Manuscript:  PAPER
Category: Man-Machine Systems, Multimedia Processing
Keyword: 
3D modelsgeometry codingmodel partitioningcompression
 Summary | Full Text:PDF(857.1KB)

Measuring Errors on 3D Meshes Using Pixel Based Search
Kohji INAGAKI Masahiro OKUDA Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/09/01
Vol. E86-D  No. 9  pp. 1903-1908
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
measuring errors3D meshes2-dimensional search
 Summary | Full Text:PDF(534.3KB)

Compression of 3D Models by Remesh on Texture Images
Masahiro OKUDA Kyoko NAGATOMO Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Vol. E86-D  No. 6  pp. 1110-1115
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
3D modelcompressionregular meshtexture
 Summary | Full Text:PDF(1.2MB)

Filter Banks with Nonlinear Lifting Steps for Lossless Image Compression
Masahiro OKUDA Sanjit K. MITRA Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/03/01
Vol. E84-A  No. 3  pp. 797-801
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
filter bankliftinglossless image compression
 Summary | Full Text:PDF(373.8KB)

Design of Biorthogonal Filter Banks Composed of Linear Phase IIR Filters
Masahiro OKUDA Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11  pp. 2449-2454
Type of Manuscript:  PAPER
Category: Neural Networks
Keyword: 
IIR filter bankslinear phase responsenoncausal filteringwavelet image conding
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Simultaneous Approximation for IIR Digital Filters with Log Magnitude and Phase Response
Masahiro OKUDA Masaaki IKEHARA Shin-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/11/25
Vol. E79-A  No. 11  pp. 1879-1885
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
IIR digital filterlog magnitude responsesteepest decent methodrobust algorithm
 Summary | Full Text:PDF(438.6KB)