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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1531

Title: Improving MPEG-4 coding performance by jointly optimising compression and blocking effect elimination
Authors: Cheung, Wan-fung
Chan, Yuk-hee
Subjects: MPEG-4 coding performance
Blocking effect elimination
Compression optimisation
Block-based image/video coding systems
Deblocking stage
Compression stage
Joint optimisation
Rate-distortion performance
MPEG-4 codec
Deblocking filter
Post-processing stage
Bit-stream format
DCT
Issue Date: Jun-2001
Publisher: IET (IEE)
Citation: IEE proceedings. Vision, image and signal processing, June 2001, v. 148, no. 3, p. 194-201.
Abstract: In most current block-based image/video coding systems the compression stage and the deblocking stage operate separately and hence they cannot make use of each other to optimise the overall coding performance. It is suggested that the basic structure of the encoding systems should be modified such that the deblocking to be performed can be taken into account in the compression and the two processes can be jointly optimised. An example is also provided to show how this idea works successfully in a MPEG-4 codec to boost the rate-distortion performance when the suggested deblocking filter is exploited in the post-processing stage. The modification does not change the bit-stream format of the codec and hence is fully compatible with the original standard.
Description: DOI: 10.1049/ip-vis:20010310
Rights: © IEE, 2001. This paper is a postprint of a paper submitted to and accepted for publication in IEE Proceedings-Vision, Image and Signal Processing and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/1531
ISSN: 1350-245X
Appears in Collections:EIE Journal/Magazine Articles

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