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Title: A lossless coding scheme for encoding color-indexed video sequences
Authors: Chan, YH 
Keywords: Lossless coding
Video coding
Color indexed images
Color indexed sequences
Palette reordering
Issue Date: 2008
Publisher: IEEE
Source: 2008 IEEE International Conference on Neural Networks and Signal Processing (ICNNSP 08), Zhenjiang, China, June 8-10, 2008, p. 676-681 How to cite?
Abstract: A new lossless video compression scheme for coding sequences of color-indexed frames is proposed. This scheme handles the frames sequentially. It reduces both the zero-order entropy and the energy of the index map of a specific frame by turning the index map into a new index map each element of which serves as an index to a pixel-dependently reordered version of the palette. Accordingly, a matching coding scheme can be exploited to encode the new index map effectively. A technique similar to the one used in animated GIF is also used to remove the inter-frame redundancy. Simulation results show that the proposed method is superior (in terms of compression ratio) to other state-of-art lossless compression algorithms in coding color-indexed video sequences.
ISBN: 978-1-4244-2311-8
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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