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Paper Abstract and Keywords
Presentation 2010-05-31 14:15
Center-weighted O(1) Bilateral Filtering
Masaki Igarashi, Masayuki Ikebe, Sousuke Shimoyama, Kenta Yamano, Junichi Motohisa (Hokkaido Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a O(1) algorithm for bilateral filter using center-weighted spatial filter. We show that a bilateral filter can be converted into weighted histogram operation. Applying line buffers of column histograms, we
can reduce the number of calculation needed to construct recursive center-weighted local histogram. We used a 2-GHz CPU with our method and confirmed that processing time is independent of filter radius. Also, we achieved high PSNR over 40 dB.
Keyword (in Japanese) (See Japanese page) 
(in English) Bilateral Filter / Constant Time Algorithm / Smooting / / / / /  
Reference Info. ITE Tech. Rep., vol. 34, no. 19, IST2010-26, pp. 17-20, May 2010.
Paper # IST2010-26 
Date of Issue 2010-05-24 (IST) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IST  
Conference Date 2010-05-31 - 2010-05-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IST 
Conference Code 2010-05-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Center-weighted O(1) Bilateral Filtering 
Sub Title (in English)  
Keyword(1) Bilateral Filter  
Keyword(2) Constant Time Algorithm  
Keyword(3) Smooting  
1st Author's Name Masaki Igarashi  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Masayuki Ikebe  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Sousuke Shimoyama  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Kenta Yamano  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
5th Author's Name Junichi Motohisa  
5th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2010-05-31 14:15:00 
Presentation Time 30 minutes 
Registration for IST 
Paper # IST2010-26 
Volume (vol) vol.34 
Number (no) no.19 
Page pp.17-20 
Date of Issue 2010-05-24 (IST) 

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