| On constructing symmetrical reversible variable-length codes independent of the Huffman code |
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| 作者单位： | HUO Jun-yan，CHANG Yi-lin，MA Lin-hua，LUO Zhong The National Key Laboratory on Integrated Service Networks，Xidian University，Xi 'an 710071，China |
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| 摘 要： | Reversible variable length codes (RVLCs) have received much attention due to their excellent error resilient capabilities. In this paper, a novel construction algorithm for symmetrical RVLC is proposed which is independent of the Huffman code. The proposed algorithm's codeword assignment is only based on symbol occurrence probability. It has many advantages over symmetrical construction algorithms available for easy realization and better code performance. In addition, the proposed algorithm simplifies the codeword selection mechanism dramatically.
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On constructing symmetrical reversible variable-length codes independent of the Huffman code |
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| Authors: | HUO Jun-yan CHANG Yi-lin MA Lin-hua LUO Zhong |
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| Abstract: | Reversible variable length codes (RVLCs) have received much attention due to their excellent error resilient capabilities. In this paper, a novel construction algorithm for symmetrical RVLC is proposed which is independent of the Huffman code. The proposed algorithm's codeword assignment is only based on symbol occurrence probability. It has many advantages over symmetrical construction algorithms available for easy realization and better code performance. In addition, the proposed algorithm simplifies the codeword selection mechanism dramatically. |
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| Keywords: | Error resilience Average code length Huffman codes Symmetrical reversible variable length codes (RVLCs) |
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