Hybrid-mode embedded compression for H.264/AVC video coding system

Chen, Tung-Chien; Chen, Yuhan; Wu, Ke-Chung; Chen, Liang-Gee

doi:10.1109/ispacs.2005.1595395

2005 International Symposium on Intelligent Signal Processing and Communication Systems 2005

DOI: 10.1109/ispacs.2005.1595395

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Hybrid-mode embedded compression for H.264/AVC video coding system

Tung-Chien Chen

Yuhan Chen

Ke-Chung Wu

et al.

Abstract: ABSTRACT

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2010

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Cited by 2 publications

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A Lossless Embedded Compression Using Significant Bit Truncation for HD Video Coding

Kim

Kyung

2010

IEEE Trans. Circuits Syst. Video Technol.

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Increasing the image size of a video sequence aggravates the memory bandwidth problem of a video coding system. Despite many embedded compression (EC) algorithms proposed to overcome this problem, no lossless EC algorithm able to handle high-definition (HD) size video sequences has been proposed thus far. In this paper, a lossless EC algorithm for HD video sequences and related hardware architecture is proposed. The proposed algorithm consists of two steps. The first is a hierarchical prediction method based on pixel averaging and copying. The second step involves significant bit truncation (SBT) which encodes prediction errors in a group with the same number of bits so that the multiple prediction errors are decoded in a clock cycle. The theoretical lower bound of the compression ratio of the SBT coding was also derived. Experimental results have shown a 60% reduction of memory bandwidth on average. Hardware implementation results have shown that a throughput of 14.2 pixels/cycle can be achieved with 36K gates, which is sufficient to handle HD-size video sequences in real time.

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A Lossless Embedded Compression Using Significant Bit Truncation for HD Video Coding

Kim

Kyung

2010

IEEE Trans. Circuits Syst. Video Technol.

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A Dynamic Search Range Algorithm for Stabilized Reduction of Memory Traffic in Video Encoder

Jung

Kim

Kyung

2010

IEEE Trans. Circuits Syst. Video Technol.

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Hybrid-mode embedded compression for H.264/AVC video coding system

Abstract: ABSTRACT

Cited by 2 publications

References 7 publications

A Lossless Embedded Compression Using Significant Bit Truncation for HD Video Coding

A Lossless Embedded Compression Using Significant Bit Truncation for HD Video Coding

A Dynamic Search Range Algorithm for Stabilized Reduction of Memory Traffic in Video Encoder

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