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Fast I Slice Encoding/Decoding Method in H.264/AVC  

Oh, Hyung-Suk (College of Electronic and Radio Engr. Kyunghee University)
Shin, Dong-In (College of Electronic and Radio Engr. Kyunghee University)
Kim, Won-Ha (College of Electronic and Information Engr. Kyunghee University)
Publication Information
Abstract
This paper develops a fast method performing intra prediction which only restores block boundary pixels without decoding all blocks in an I slice of H.264/AVC. To accomplish this, we develop a fast integer inverse DCT scheme that quickly decodes residual block boundary which can be consisted of references pixels. we add the restored block boundary pixels and appropriate calculated prediction pixels for each intra prediction mode and consist of needed reference pixels. The experiments showed that the proposed method produces the reliable performance with reducing the computational complexity, compared to conventional method when applied to H.264/AVC integer DCT.
Keywords
H.264/AVC; integer DCT; intra prediction;
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