Fast Intra Mode Selection Algorithm for H.264/AVC Using Constraints of Frequency Characteristics 


Vol. 33,  No. 4, pp. 321-329, Apr.  2008


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  Abstract

H.264/AVC video coding standard enables a considerably higher improvement in coding efficiency compared with previous standards such as MPEG-2, H.263 and MPEG-4. To achieve this, for each macro-block in H.264/AVC, Rate-Distortion Optimization (RDO) technique is employed to select the best motion vector, reference frame, and macro-block mode. As a result, computational complexity is increased significantly whereas RDO achieve higher improvement. This paper presents fast intra mode selection algorithm based on constraints of frequency characteristics which are derived from intra coding modes of H.264/AVC. First of all, we observe the features of each intra mode through the frequency analysis of image. And then proposed Frequency Error Costs (FECs) are calculated to select the best mode which has minimum cost. Computational complexity is considerably reduced because rate-distortion costs only calculate the candidate modes which are set of best mode and its neighbouring two modes. Experimental results show that proposed algorithm reduces the complexity dramatically maintaining the rate-distortion performance compared with H.264/AVC reference software.

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  Cite this article

[IEEE Style]

S. Jin, S. Park, J. Jeong, "Fast Intra Mode Selection Algorithm for H.264/AVC Using Constraints of Frequency Characteristics," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 4, pp. 321-329, 2008. DOI: .

[ACM Style]

Soonjong Jin, Sang-Jun Park, and Jechang Jeong. 2008. Fast Intra Mode Selection Algorithm for H.264/AVC Using Constraints of Frequency Characteristics. The Journal of Korean Institute of Communications and Information Sciences, 33, 4, (2008), 321-329. DOI: .

[KICS Style]

Soonjong Jin, Sang-Jun Park, Jechang Jeong, "Fast Intra Mode Selection Algorithm for H.264/AVC Using Constraints of Frequency Characteristics," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 4, pp. 321-329, 4. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880