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Paper Abstract and Keywords
Presentation 2008-03-07 15:10
A study on interlaced sampling with unknown offsets
Akira Hirabayashi (Yamaguchi Univ.) CAS2007-161 SIP2007-236 CS2007-126
Abstract (in Japanese) (See Japanese page) 
(in English) The present paper discusses an interlaced sampling,
in which signals/images are sampled several times
by an identical sampling device like a CCD camera with slightly displaced locations.
Since offset parameters are unknown, the problem becomes challenging.
A typical example of this formulation is super-resolution image reconstruction
from multiple low resolution images.
A well-defined solution has already been devised
for the case where the number of unknown parameters
is less than or equal to the number of measurements.
However, this condition easily fails in practical situations.
Hence, this paper proposes a signal reconstruction method
that provides stable solutions even if the condition does not hold.
The key factors introduced here are a statistical assumption for target signals
and the minimization of a cost function.
Simulation results show that the proposed method performs much better than the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) nterlaced sampling / super-resolution / filter bank / signal generation model / cost function / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 529, SIP2007-236, pp. 159-164, March 2008.
Paper # SIP2007-236 
Date of Issue 2008-02-29 (CAS, SIP, CS) 
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 CAS2007-161 SIP2007-236 CS2007-126

Conference Information
Committee CS SIP CAS  
Conference Date 2008-03-06 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamaguchi University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network processors, signal processing for communications, wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2008-03-CS-SIP-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on interlaced sampling with unknown offsets 
Sub Title (in English)  
Keyword(1) nterlaced sampling  
Keyword(2) super-resolution  
Keyword(3) filter bank  
Keyword(4) signal generation model  
Keyword(5) cost function  
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1st Author's Name Akira Hirabayashi  
1st Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Speaker Author-1 
Date Time 2008-03-07 15:10:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # CAS2007-161, SIP2007-236, CS2007-126 
Volume (vol) vol.107 
Number (no) no.527(CAS), no.529(SIP), no.531(CS) 
Page pp.159-164 
#Pages 6 
Date of Issue 2008-02-29 (CAS, SIP, CS) 

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