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http://dx.doi.org/10.5909/JBE.2007.12.5.491

An Efficient Intra Prediction Mode Decision for Spatial Enhancement Layer  

Myung, Jin-Su (VIA-Multimedia Center, Kwangwoon University)
Park, Sung-Jae (VIA-Multimedia Center, Kwangwoon University)
Oh, Seoung-Jun (VIA-Multimedia Center, Kwangwoon University)
Sim, Dong-Gyu (VIA-Multimedia Center, Kwangwoon University)
Kim, Byung-Gyu (ETRI)
Publication Information
Journal of Broadcast Engineering / v.12, no.5, 2007 , pp. 491-502 More about this Journal
Abstract
In this parer, we propose an efficient intra prediction mode decision scheme in Scalable Video Coding(SVC) which is an emerging video coding standard as an extension of H.264/MPEG-4 AVC(Advanced Video Coding). The proposed method in base on the characteristic of macroblock smoothness follows the statistical analysis of intra prediction mode in an enhancement layer and it decides a candidate intra prediction mode. We also propose an early termination scheme for Intra_BL mode decision where the RD cost value of Intra_BL is utilized. Simulation results show that the proposed method reduces 54.67% of the computation complexity of intra prediction coding, while the degradation in video quality is negligible; for low QP values, the average PSNR loss is very negligible, equivalently the bit rate increases by 0.011%. For high QP values, the average PSNR loss is less than 0.01dB, which equals to 0.249% increase in bitrate.
Keywords
scalable video coding; intra prediction;
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