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Color Difference-Based Subpixel Rendering for Matrix Displays

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1 Author(s)
Suk-Ju Kang ; Electr. Eng. Dept., Dong-A Univ., Busan, South Korea

In this paper, we present a new subpixel rendering algorithm considering adaptively weighting factors of the current and neighboring subpixels for matrix displays. The proposed method divides gray levels into several bins computing the absolute color difference between the current subpixel and neighboring subpixels. Then, it adaptively assigns weighting factors to the current and neighboring subpixels. In the experiments using test images, the proposed subpixel rendering algorithm improved the average luminance sharpness by up to 0.124, when compared to benchmarks methods. For the chrominance blending, the average peak signal-to-noise ratio (PSNR) of the proposed method was up to 1.415 dB higher than those of the benchmarks methods.

Published in:

Display Technology, Journal of  (Volume:9 ,  Issue: 8 )

Date of Publication:

Aug. 2013

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