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Rate-oriented perceptual image coding using contrast-based quantization
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DOI：10.3788/COL20100804.0381.png)
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Abstract
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A new image coding approach is proposed by controlling the quantization step via minimizing the perceptual distortions (in terms of image's contrast measurement). The proposed method is a rate-oriented contrast-based approach, which is in contrast to the conventional quality-oriented contrast-based image coding. The algorithm achieves a higher perceptual quality performance against several methods developed previously.
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