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Paper Abstract and Keywords
Presentation 2013-09-30 17:00
Bit-depth extension using Poisson's equation
Akira Mizuno, Masayuki Ikebe (Hokkaido Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A novel approach for bit-depth expansion is proposed. When displaying a low bit-depth image on a monitor, false contour artifacts tend to appear in the gradation region. Such false contours seriously degrade the image quality. Reconstructing smooth gradations from false contours is crucial yet it remains difficult problem for 2D images. The proposed method enables the 2D interpolation problem to be separated into a 1D problem. An output image with smooth gradations can be obtained by using the Poisson equation.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantization / Bit-depth extension / False contour / Poisson's equation / / / /  
Reference Info. ITE Tech. Rep., vol. 37, no. 40, IST2013-53, pp. 45-48, Sept. 2013.
Paper # IST2013-53 
Date of Issue 2013-09-23 (IST) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IST  
Conference Date 2013-09-30 - 2013-09-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IST 
Conference Code 2013-09-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Bit-depth extension using Poisson's equation 
Sub Title (in English)  
Keyword(1) Quantization  
Keyword(2) Bit-depth extension  
Keyword(3) False contour  
Keyword(4) Poisson's equation  
1st Author's Name Akira Mizuno  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Masayuki Ikebe  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2013-09-30 17:00:00 
Presentation Time 20 minutes 
Registration for IST 
Paper # IST2013-53 
Volume (vol) vol.37 
Number (no) no.40 
Page pp.45-48 
Date of Issue 2013-09-23 (IST) 

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