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Paper Abstract and Keywords
Presentation 2009-01-21 09:50
[Poster Presentation] Irreversible Compressed Images Using Physical Image Quality Measures
Haruyuki Watanabe, Du-Yih Tsai, Yongbum Lee (Niigata Univ.), Tomohiro Nakamura (Teikyo Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Compression algorithms are widely used in medical image database systems. So far, compressed images have been mainly evaluated by visual assessment on acceptable compression levels in clinical studies. However, to the best of our knowledge, little work has been done to clarify image properties based on physical analysis. In this work, investigations were made to clarify image properties based on physical analysis and to discuss the major causes of degradation related to compression ratios. The physical properties of compressed images performed by JPEG2000 and JPEG in CR were compared by measuring the MTF, NPS, PSNR, and NEQ.
Keyword (in Japanese) (See Japanese page) 
(in English) Image Compression / JPEG2000 / JPEG / Image Quality / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 385, MI2008-183, pp. 559-564, Jan. 2009.
Paper # MI2008-183 
Date of Issue 2009-01-12 (MI) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee MI  
Conference Date 2009-01-19 - 2009-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) National Taiwan University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2009-01-MI 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Irreversible Compressed Images Using Physical Image Quality Measures 
Sub Title (in English)  
Keyword(1) Image Compression  
Keyword(2) JPEG2000  
Keyword(3) JPEG  
Keyword(4) Image Quality  
1st Author's Name Haruyuki Watanabe  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Du-Yih Tsai  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Yongbum Lee  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Tomohiro Nakamura  
4th Author's Affiliation Teikyo University Chiba Medical Center (Teikyo Univ.)
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Date Time 2009-01-21 09:50:00 
Presentation Time 140 
Registration for MI 
Paper # IEICE-MI2008-183 
Volume (vol) IEICE-108 
Number (no) no.385 
Page pp.559-564 
#Pages IEICE-6 
Date of Issue IEICE-MI-2009-01-12 

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