Fast Intra Mode Selection Algorithm Based on Edge Activity in Transform Domain for H.264/AVC Video 


Vol. 34,  No. 8, pp. 790-800, Aug.  2009


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  Abstract

For the improvement of coding efficiency, the H.264/AVC standard uses new coding tools such as 1/4-pel-accurate motion estimation, multiple references, intra prediction, loop filter, variable block size etc. Using these coding tools, H.264/AVC has achieved significant improvements from rate-distortion point of view compared to existing standards. However, the encoder complexity was greatly increased due to these coding tools. We focus on the complexity reduction method of intra macroblock mode selection. The proposed algorithm for fast intra mode selection calculates the edge activity in transform domain, and performs fast encoding of intra frame in H.264/AVC through the fast prediction mode selection of intra4x4 and chrominance blocks. Simulation results show that the proposed method saves about 59.76% for QCIF sequences and 65.03% for CIF sequences of total encoding time, while bitrate increase and PSNR decrease are very small.

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  Cite this article

[IEEE Style]

J. Seo and D. Kim, "Fast Intra Mode Selection Algorithm Based on Edge Activity in Transform Domain for H.264/AVC Video," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 8, pp. 790-800, 2009. DOI: .

[ACM Style]

Jaesung Seo and Donghyung Kim. 2009. Fast Intra Mode Selection Algorithm Based on Edge Activity in Transform Domain for H.264/AVC Video. The Journal of Korean Institute of Communications and Information Sciences, 34, 8, (2009), 790-800. DOI: .

[KICS Style]

Jaesung Seo and Donghyung Kim, "Fast Intra Mode Selection Algorithm Based on Edge Activity in Transform Domain for H.264/AVC Video," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 8, pp. 790-800, 8. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880