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Paper Abstract and Keywords
Presentation 2008-10-07 15:15
Fast Filtering using Modified Frequency Domain Processing with Time/Space Domain Compensation and Its DSP Implementation
Yoshiki Kutsuwa, Nobutaka Ukeji, Koichi Ichige, Rokuya Ishii (Yokohama Nat'l Univ.) SIP2008-123 IE2008-87
Abstract (in Japanese) (See Japanese page) 
(in English) Most of basic operations in signal or image processing are based on
discrete convolution. Fast Fourier Transform (FFT) is used to implement
discrete convolution in frequency domain in order to reduce
computational complexity, for certain signal and impulse response
durations. FFT needs to add redundant zeros for its operation, since it
is designed for the signals whose duration is power of two. Therefore
the operation sometimes contains many redundant calcurations. This paper
proposes an efficient method using modified frequency domain processing
and compensation in time/space domain which can improve efficiency in
convolution opereation and filtering. Its effectiveness is verified
through some computer simulation and DSP implementation.
Keyword (in Japanese) (See Japanese page) 
(in English) Discrete Convolution / Filter / FFT / DSP / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 228, SIP2008-123, pp. 95-100, Oct. 2008.
Paper # SIP2008-123 
Date of Issue 2008-09-29 (SIP, IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SIP2008-123 IE2008-87

Conference Information
Committee IE SIP IPSJ-SLDM  
Conference Date 2008-10-06 - 2008-10-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Aiina Center (Morioka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2008-10-IE-SIP-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fast Filtering using Modified Frequency Domain Processing with Time/Space Domain Compensation and Its DSP Implementation 
Sub Title (in English)  
Keyword(1) Discrete Convolution  
Keyword(2) Filter  
Keyword(3) FFT  
Keyword(4) DSP  
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1st Author's Name Yoshiki Kutsuwa  
1st Author's Affiliation Yokohama National University (Yokohama Nat'l Univ.)
2nd Author's Name Nobutaka Ukeji  
2nd Author's Affiliation Yokohama National University (Yokohama Nat'l Univ.)
3rd Author's Name Koichi Ichige  
3rd Author's Affiliation Yokohama National University (Yokohama Nat'l Univ.)
4th Author's Name Rokuya Ishii  
4th Author's Affiliation Yokohama National University (Yokohama Nat'l Univ.)
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Speaker Author-1 
Date Time 2008-10-07 15:15:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # SIP2008-123, IE2008-87 
Volume (vol) vol.108 
Number (no) no.228(SIP), no.229(IE) 
Page pp.95-100 
#Pages
Date of Issue 2008-09-29 (SIP, IE) 


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