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Volume: 10 | Article ID: art00049
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Color Error from RGB-Stripe Pixel Structure
  DOI :  10.2352/CIC.2002.10.1.art00049  Published OnlineJanuary 2002
Abstract

Most direct-view type color displays have a sub pixel structure such as the RGB-stripe structure. The video data for R and B are produced on condition that they are reproduced at the same position as G but they are displayed on the screen with 1/3 of a pixel separation from the corresponding G pixel. This pixel structure thus entails a convergence error of 1/3 of a pixel. The modified s-CIELAB method was applied to investigate color errors produced by the RGB-stripe pixel structure. The results show that the pixel structure can degrade the image quality even in a viewing distance where the pixel structure is not visible, because the color difference caused by the structure has a low frequency component and the human vision can detect it. The same method was applied to the convergence error and showed that the necessary convergence accuracy is around 1/4 of a pixel.

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M. Kanazawa, K. Hamada, F. Okano, "Color Error from RGB-Stripe Pixel Structurein Proc. IS&T 10th Color and Imaging Conf.,  2002,  pp 261 - 266,  https://doi.org/10.2352/CIC.2002.10.1.art00049

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Copyright © Society for Imaging Science and Technology 2002
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