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Paper Abstract and Keywords
Presentation 2007-11-30 13:35
A study for image restoration from photon shot noise image
Masahito Takaichi, Toshihiro Nishimura (Waseda Univ.) IE2007-106
Abstract (in Japanese) (See Japanese page) 
(in English) The photon shot noise is a noise of the signal dependency where the photon is generated by fluctuation when the photon hit the receiving optical part of the image sensor.
We have a median filter and a average filter as conventional methods of noise reduction. when you use these linear filters the edge part of a original signal is attenuated at the same time as removing the noise. The weiner filter is a method comparatively effective to the edge preservation. However, the weiner filter is an effective filter only in case of the gaussian noise. There is a problem that it is not possible to adjust because the photon shot noise is distributed a poisson noise. In this paper we uses M-transform that is the signal transformation based on M-sequence signal. M-transform converts the noise into an irregular signal of a small amplitude. And the image is restored by using ε filter. As a result, The noise reduction was suggested.
Keyword (in Japanese) (See Japanese page) 
(in English) Photonshot noise / ε filter / M-transform / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 358, IE2007-106, pp. 89-92, Nov. 2007.
Paper # IE2007-106 
Date of Issue 2007-11-22 (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)
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Conference Information
Committee IE ITE-BCT ITE-ME ITE-AIT  
Conference Date 2007-11-29 - 2007-11-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IE 
Conference Code 2007-11-IE-ITE-BCT-ITE-ME-ITE-CG 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study for image restoration from photon shot noise image 
Sub Title (in English)  
Keyword(1) Photonshot noise  
Keyword(2) ε filter  
Keyword(3) M-transform  
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1st Author's Name Masahito Takaichi  
1st Author's Affiliation Waseda Unicersity (Waseda Univ.)
2nd Author's Name Toshihiro Nishimura  
2nd Author's Affiliation Waseda Unicersity (Waseda Univ.)
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Speaker Author-1 
Date Time 2007-11-30 13:35:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # IE2007-106 
Volume (vol) vol.107 
Number (no) no.358 
Page pp.89-92 
#Pages 4 
Date of Issue 2007-11-22 (IE) 

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