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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (Supplement 1): 59-62    DOI: 10.1631/jzus.2006.AS0059
Original Paper     
On constructing symmetrical reversible variable-length codes independent of the Huffman code
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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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.

Key words： Error resilience      Average code length      Huffman codes      Symmetrical reversible variable length codes (RVLCs)     
Received: 12 December 2005     
CLC:  TN919.8  
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Huo Jun-Yan
Chang Yi-Lin
Ma Lin-Hua
Luo Zhong
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Huo Jun-Yan, Chang Yi-Lin, Ma Lin-Hua, Luo Zhong. On constructing symmetrical reversible variable-length codes independent of the Huffman code. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(Supplement 1): 59-62.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.AS0059     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/ISupplement 1/59

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