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Paper Abstract and Keywords
Presentation 0000-00-00 00:00
Lossless coding of 4 colors RAW image using integer orthogonal transform
Wataru Otake, Masanori Ogawa, Masahiro Iwahashi (Nagaoka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) This report proposes a lossless coding of 4 color RAW images using an integer orthogonal transform. Recently, the 4 color RAW image is becoming a new standard in high class digital cameras. However, when the reversible 4 point KLT is applied to a 4 color RAW image, computational cost for calculating eigenvalue and avoiding singular points becomes much higher. In this report, we apply the two point reversible Haar transform to G0 and G1, and apply the three point reversible KLT. Experimental results indicate that the proposed method achieves higher coding performance with lower computational cost.
Keyword (in Japanese) (See Japanese page) 
(in English) RAW / KLT / lossless / color / singular point / / /  
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Conference Information
Committee IEICE-ITS IEICE-IE AIT HI ME  
Conference Date 2011-02-21 - 2011-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To IEICE-IE 
Conference Code 2011-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Lossless coding of 4 colors RAW image using integer orthogonal transform 
Sub Title (in English)  
Keyword(1) RAW  
Keyword(2) KLT  
Keyword(3) lossless  
Keyword(4) color  
Keyword(5) singular point  
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1st Author's Name Wataru Otake  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ.)
2nd Author's Name Masanori Ogawa  
2nd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ.)
3rd Author's Name Masahiro Iwahashi  
3rd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ.)
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Speaker Author-1 
Date Time 0000-00-00 00:00:00 
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Registration for IEICE-IE 
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Volume (vol) vol.35 
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