Image-Dependent Code Optimization to Improve Motion Picture Quality of Plasma Displays(<Special Section>Electronic Displays)
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概要
- 論文の詳細を見る
This letter proposes an efficient method to find the optimum subfield code, which minimizes the visual artifacts on the motion pictures of the plasma display panel (PDP). Existing codes were constructed to reduce dynamic false contour (DFC) only, and they are fixed codes used for every image. In contrast, the proposed method aims to minimize the total artifacts by DFC and halftone noise (HN), and it finds the best code for a given image, dynamically. First, this letter presents the novel models to estimate the effect of DFC and HN for given codewords and a given image. Then, it presents an efficient method that finds the optimum code for a given image using the well-known shortest-path algorithm. Experimental results, using 459 HDTV images, illustrated that the proposed approach improved the average PSNR by 0.713dB and 7.004dB in DFC and HN, respectively, when compared with Gravity Centre Code.
- 社団法人電子情報通信学会の論文
- 2006-10-01
著者
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Kim Young
Division of Cardiology, Yeungnam University Medical Center
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Lee Jong
Division Of Hematology Department Of Internal Medicine St. Mary's Hospital College Of Medicine
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Lee Jong
Division Of Cardiology Department Of Medicine School Of Medicine University Of California
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Kim Young
Division Of Electrical And Computer Engineering Pohang University Of Science And Technology
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Kang Bong
Division Of Electrical And Computer Engineering Pohang University Of Science And Technology
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Kim Young
Division Of Applied Plant Science Agricultural Plant Stress Research Center
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Lee Jong
Division Of Electrical And Computer Engineering Pohang University Of Science And Technology
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Lee Jong
Division Of Cardiology Department Of Internal Medicine Uijeongbu St. Mary's Hospital
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