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Published in:
2003 | OriginalPaper | Chapter
On the Efficiency of Luminance-Based Palette Reordering of Color-Quantized Images
Authors : Armando J. Pinho, António J. R. Neves
Published in: Pattern Recognition and Image Analysis
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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Luminance-based palette reordering is often considered less efficient than other more complex approaches, in what concerns improving the compression of color-indexed images. In this paper, we provide experimental evidence that, for color-quantized natural images, this may not be always the case. In fact, we show that, for dithered images with 128 colors or more, luminance-based reordering outperforms other more complex methods.