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Fast Mode Decision in H.264/AVC
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Author(s): Peter Lambert (Ghent University, Belgium), Stefaan Mys (Ghent University, Belgium), Jozef Škorupa (Ghent University, Belgium), Jürgen Slowack (Ghent University, Belgium), Rik Van de Walle (Ghent University, Belgium), Ming Yuan Yang (University of the West of Scotland, UK), Christos Grecos (University of the West of Scotland, UK)and Vassilios Argiriou (University of East London, UK)
Copyright: 2010
Pages: 22
Source title:
Handheld Computing for Mobile Commerce: Applications, Concepts and Technologies
Source Author(s)/Editor(s): Wen-Chen Hu (University of North Dakota, USA)and Yanjun Zuo (University of North Dakota, USA)
DOI: 10.4018/978-1-61520-761-9.ch021
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Abstract
The latest video coding standard (Wiegand, 2003), H.264/AVC, uses variable block sizes ranging from 16x16 to 4x4 to perform motion estimation in inter-frame coding and a rich set of prediction patterns for intra-frame coding. Then a robust RDO (Rate Distortion Optimization) technique is employed to select the best coding mode and reference frame for each macroblock. As a result, H.264/AVC exhibits high coding efficiency compared to older video coding standards [2, 3] and shows significant future promise in the fields of video broadcasting and communication. However, high coding efficiency also carries high computational complexity. Fast mode decision is one of the key techniques to significantly reducing computational complexity for a similar RD (Rate Distortion) performance. This chapter provides an up-to-date critical survey of fast mode decision techniques for the H.264/AVC standard. The motivation for this chapter is twofold: Firstly to provide an up-to-data review of the existing techniques and secondly to offer some insights into the studies of fast mode decision techniques.
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