Intra Prediction Algorithm Using Adaptive Modes 


Vol. 38,  No. 6, pp. 492-503, Jun.  2013


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  Abstract

H.264/AVC has shown high coding efficiency by using various coding tools, including intra and inter prediction. However, there are still many more redundancy components in intra prediction than in inter prediction. In this paper, a novel intra prediction method is proposed with adaptive mode selection. The combined intra prediction modes and simplified gradient modes are added in order to refine the directional feature and gradation region. Suitable modes are selected according to the neighboring blocks that provide a high compression rate and lower computational complexity. The improvement of the proposed method is 1.96% in terms of the bitrate, 0.25 dB in PSNR, and 1.72 times in terms of the computational complexity.

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  Cite this article

[IEEE Style]

K. Lim, J. Lee, S. Kim, D. Pak, S. Lee, "Intra Prediction Algorithm Using Adaptive Modes," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 6, pp. 492-503, 2013. DOI: .

[ACM Style]

Kyungmin Lim, Jaeho Lee, Seongwan Kim, Daehyun Pak, and Sangyoun Lee. 2013. Intra Prediction Algorithm Using Adaptive Modes. The Journal of Korean Institute of Communications and Information Sciences, 38, 6, (2013), 492-503. DOI: .

[KICS Style]

Kyungmin Lim, Jaeho Lee, Seongwan Kim, Daehyun Pak, Sangyoun Lee, "Intra Prediction Algorithm Using Adaptive Modes," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 6, pp. 492-503, 6. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880