Tradeoff between picture resolution and quantization precision in video coding for embedded systems

Yu Yuan; David Feng; Yuzhuo Zhong

doi:10.1117/12.532456

18 January 2004 Tradeoff between picture resolution and quantization precision in video coding for embedded systems

Yu Yuan, David Feng, Yuzhuo Zhong

Proceedings Volume 5308, Visual Communications and Image Processing 2004; (2004) https://doi.org/10.1117/12.532456
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

In embedded multimedia applications, improving video quality under constraints of bandwidth and storage is an important problem. In this paper, we discuss the relationship among picture resolution, quantization precision and subjective quality in video coding for embedded systems. Then we propose a principle of tradeoff between picture resolution and quantization precision. Video coding based on the tradeoff principle can achieve higher subjective quality at low bitrates, and significantly reduce the burden of decoders. Experimental results on both MPEG-2 codec and H.264 codec prove that the tradeoff principle is valuable and feasible for embedded systems.

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Yu Yuan, David Feng, and Yuzhuo Zhong "Tradeoff between picture resolution and quantization precision in video coding for embedded systems", Proc. SPIE 5308, Visual Communications and Image Processing 2004, (18 January 2004); https://doi.org/10.1117/12.532456

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KEYWORDS

Video

Quantization

Embedded systems

Video coding

Computer programming

Video compression

Detection and tracking algorithms

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