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http://dx.doi.org/10.5909/JBE.2009.14.5.589

Uni-directional 8X8 Intra Prediction for H.264 Coding Efficiency  

Kook, Seung-Ryong (College of Electronics and Information, Kyung Hee University)
Park, Gwang-Hoon (College of Electronics and Information, Kyung Hee University)
Lee, Yoon-Jin (College of Electronics and Information, Kyung Hee University)
Sim, Dong-Gyu (Kwangwoon University, VIA-Multimedia Center)
Jung, Kwang-Soo (Kwangwoon University, VIA-Multimedia Center)
Choi, Hae-Chul (ETRI)
Choi, Jin-Soo (ETRI)
Lim, Sung-Chang (ETRI)
Publication Information
Journal of Broadcast Engineering / v.14, no.5, 2009 , pp. 589-600 More about this Journal
Abstract
This paper is ready to change a trend of a ultra high definition (UHD) video image, and it will contribute to improve the performance of the latest H.264 through the Uni-directional $8{\times}8$ intra-prediction idea which is based on developing a intra prediction compression. The Uni-directional $8{\times}8$ intra prediction is focused on a $8{\times}8$ block intra prediction using $4{\times}4$ block based prediction which is using the same direction of intra prediction. This paper describes that the uni-directional $8{\times}8$ intra-prediction gets a improvement around 7.3% BDBR only in the $8{\times}8$ block size, and it gets a improvement around 1.3% BDBR in the H.264 applied to the multi block size structures. In the case of a larger image size, it can be changed to a good algorithm. Because the video codec which is optimized for UHD resolution can be used a different block size which is bigger than before(currently a minimum of $4{\times}4$ blocks of units).
Keywords
video compression; H.264/AVC; intra prediction$8{\times}8$ intra prediction;
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