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Efficient Intra Modes for Fast Intra Mode Decision of H.264/AVC  

Lee Woong-ho (인하대학교 전자공학과)
Lee Jung-ho (인하대학교 전자공학과)
Cho Ik-Hwan (인하대학교 전자공학과)
Jeong Dong-Seok (인하대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.30, no.12C, 2005 , pp. 1144-1152 More about this Journal
Abstract
Intra prediction coding is one of the many coding-efficiency oriented tools of H.264/AVC, but it requires high computational complexity. Many fast intra coding algorithms have been proposed to reduce the computational complexity of intra prediction. While most of them have been focused on the mode decision methods themselves, we propose a fast algorithm in which new intra modes are substituted for the conventional intra modes so that the number of intra modes can be reduced. The simulation results show that the proposed method could reduce the encoding time of the overall sequence by $49\%$ without any noticeable degradation of the coding efficiency.
Keywords
Intra prediction; Fast mode decision; H.264/AVC;
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