Evaluation of gray level reproduction in dark areas on plasma display panel

Yu Hoon Kim; Choon-Woo Kim

doi:10.1117/12.806093

19 January 2009 Evaluation of gray level reproduction in dark areas on plasma display panel

Yu Hoon Kim, Choon-Woo Kim

Proceedings Volume 7241, Color Imaging XIV: Displaying, Processing, Hardcopy, and Applications; 72410E (2009) https://doi.org/10.1117/12.806093
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

Gray level reproduction in dark areas is one of the major image quality issues of PDP(Plasma Display Panels) that represents gray levels with pulse count modulation. Error diffusion and dithering have been frequently utilized for smooth tone reproduction in dark areas. However, they may result in side effects such as the visibility of minor pixels, flickers and/or motion artifacts. This paper presents a framework to evaluate the performance of gray level reproduction algorithms for PDPs. Various factors affecting the quality of gray level reproduction in dark areas are introduced. Spatiotemporal luminance variations are proposed to measure the performance of the gray level reproduction. Experimental results indicate that the proposed method faithfully represents the performance of gray level reproduction capability of PDPs.

Citation Download Citation

Yu Hoon Kim and Choon-Woo Kim "Evaluation of gray level reproduction in dark areas on plasma display panel", Proc. SPIE 7241, Color Imaging XIV: Displaying, Processing, Hardcopy, and Applications, 72410E (19 January 2009); https://doi.org/10.1117/12.806093

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KEYWORDS

Plasma display panels

RGB color model

Visibility

Image quality

Diffusion

Convolution

Human vision and color perception

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