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In this paper, a fast color modification method is proposed for the color-blind (CB) who experiences difficulty in discriminating some color differences. The proposed algorithm uses a new perceptual illusion based color transform technique that can enhance the color contrast for the CB while preventing significant change of the original image. In addition, a fast temporal color adjustment technique is introduced for the real-time video playback. Experimental results show that the proposed method can produce more comprehensible video sequences for the CB with reduced computational complexity. [ABSTRACT FROM PUBLISHER]

In this paper, a fast re-coloring method with information preserving is proposed for the color-blind (CB) who experiences difficulty to discriminate some color differences. In the proposed algorithm, we utilize a new color transform that can enhance the perceptibility for the CB while maintaining the re-colored image as natural as possible for the normal viewer. In addition, an improved method which effectively detects the CB unperceivable (CBU) colors to be re-colored is introduced. Experimental results show that the proposed method can produce more comprehensible images for CB viewers while preserving the naturalness of the recolored images for standard viewers with reduced complexity. [ABSTRACT FROM AUTHOR]