Gray prediction decoding algorithm for VLC decoder

Che Hong Chen; Ying Hong Lu; Bin Da Liu

Gray prediction decoding algorithm for VLC decoder

Che Hong Chen, Ying Hong Lu, Bin Da Liu

Department of Electrical Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

In this paper, a new decoding algorithm for VLC decoder is proposed. In traditional VLC decoding algorithms, we have to search each level of Huffman tree per operation. Therefore the possible throughput is limited by the searching time. The proposed algorithm takes advantage of the trend among AC coefficients in each block to predict the next codeword. From the simulation results, it shows that the prediction mechanism can significantly improve the decoding efficiency.

Original language	English
Pages	677-680
Number of pages	4
Publication status	Published - 2004 Dec 1
Event	2004 IEEE Asia-Pacific Conference on Circuits and Systems, APCCAS 2004: SoC Design for Ubiquitous Information Technology - Tainan, Taiwan Duration: 2004 Dec 6 → 2004 Dec 9

Other

Other	2004 IEEE Asia-Pacific Conference on Circuits and Systems, APCCAS 2004: SoC Design for Ubiquitous Information Technology
Country	Taiwan
City	Tainan
Period	04-12-06 → 04-12-09

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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title = "Gray prediction decoding algorithm for VLC decoder",

abstract = "In this paper, a new decoding algorithm for VLC decoder is proposed. In traditional VLC decoding algorithms, we have to search each level of Huffman tree per operation. Therefore the possible throughput is limited by the searching time. The proposed algorithm takes advantage of the trend among AC coefficients in each block to predict the next codeword. From the simulation results, it shows that the prediction mechanism can significantly improve the decoding efficiency.",

author = "Chen, {Che Hong} and Lu, {Ying Hong} and Liu, {Bin Da}",

year = "2004",

month = dec,

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AU - Liu, Bin Da

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N2 - In this paper, a new decoding algorithm for VLC decoder is proposed. In traditional VLC decoding algorithms, we have to search each level of Huffman tree per operation. Therefore the possible throughput is limited by the searching time. The proposed algorithm takes advantage of the trend among AC coefficients in each block to predict the next codeword. From the simulation results, it shows that the prediction mechanism can significantly improve the decoding efficiency.

AB - In this paper, a new decoding algorithm for VLC decoder is proposed. In traditional VLC decoding algorithms, we have to search each level of Huffman tree per operation. Therefore the possible throughput is limited by the searching time. The proposed algorithm takes advantage of the trend among AC coefficients in each block to predict the next codeword. From the simulation results, it shows that the prediction mechanism can significantly improve the decoding efficiency.

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