Rokuya ISHII


A Computationally Efficient Algorithm for Exponential B-Splines Based on Difference/IIR Filter Approach
Takeshi ASAHI Koichi ICHIGE Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/06/01
Vol. E85-A  No. 6  pp. 1265-1273
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2001))
Category: 
Keyword: 
B-splineexponential splinedecompositionreconstruction
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An Efficient Algorithm for Decomposition and Reconstruction of Images by Box Splines
Takeshi ASAHI Koichi ICHIGE Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 1883-1891
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
box splineB-splinedecompositionreconstruction
 Summary | Full Text:PDF(1.6MB)

A New Formulation for Discrete Box Splines Reducing Computational Cost and Its Evaluation
Takeshi ASAHI Koichi ICHIGE Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/03/01
Vol. E84-A  No. 3  pp. 884-892
Type of Manuscript:  PAPER
Category: Image
Keyword: 
box splineB-splineinterpolationtruncated power
 Summary | Full Text:PDF(754.8KB)

A Simple Scheme of Decomposing and Reconstructing Continuous-Time Signals by B-Splines
Koichi ICHIGE Masaru KAMADA Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11  pp. 2391-2399
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
waveletsB-splinesmultifold RRS functions
 Summary | Full Text:PDF(622.9KB)

A GUI-Interaction Aiding System for Cut-and-Paste Operation Based on Image Processing for the Visually Impaired
Alberto TOMITA,Jr. Tsuyoshi EBINA Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/09/25
Vol. E81-D  No. 9  pp. 1019-1024
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
human interfaceGUIvisual impairmentimage processing
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Extraction of a Person's Handshape for Application in a Human Interface
Alberto TOMITA,Jr. Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/08/25
Vol. E78-A  No. 8  pp. 951-956
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
digital signal processingdigital image processinghuman-computer interface
 Summary | Full Text:PDF(679.6KB)

The Characteristic Improvement of a Digital Filter Using a Feedback Path
Koichiro IWASAKI Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/06/25
Vol. E77-A  No. 6  pp. 956-961
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1993 Joint Technical Conference on Circuits/Systems, Computers and Communications (JTC-CSCC'93))
Category: Digital Signal Processing
Keyword: 
IIR digital filtersensitivity
 Summary | Full Text:PDF(361.4KB)

An Overall Analysis of Periodically Time Varying Digital Filters
Xiong Wei MIN Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/03/25
Vol. E76-A  No. 3  pp. 425-438
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
recursive PTVGTFdigital filteranalysispolyphase model
 Summary | Full Text:PDF(804.9KB)

FOREWORD
Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/07/25
Vol. E75-A  No. 7  pp. 897-897
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(83.7KB)

A Modem Implementation Using a Periodically Time Varying Digital Filter
Hidekazu TANAI Rokuya ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/11/25
Vol. E74-A  No. 11  pp. 3569-3575
Type of Manuscript:  Special Section PAPER (Special Issue on HAKONE Digital Signal Processing Symposium)
Category: 
Keyword: 
 Summary | Full Text:PDF(393.1KB)

Equivalent Structures of a Periodically Time Varying Digital Filter
Xiong Wei MIN Rokuya ISHII 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/06/25
Vol. E73-E  No. 6  pp. 893-900
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
 Summary | Full Text:PDF(513KB)