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http://dx.doi.org/10.5909/JBE.2007.12.4.360

A Fast Inter-layer Mode Decision Method inScalable Video Coding  

Lee, Bum-Shik (Information and Communications University)
Hahm, Sang-Jin (Korea Broadcasting System)
Park, Chang-Seob (Korea Broadcasting System)
Park, Keun-Soo (Korea Broadcasting System)
Kim, Mun-Churl (Information and Communications University)
Publication Information
Journal of Broadcast Engineering / v.12, no.4, 2007 , pp. 360-372 More about this Journal
Abstract
We propose a fast inter-layer mode decision method by utilizing coding information of base layer upward its enhancement layer inscalable video coding (SVC), also called MPEG-4 part 10 Advanced Video Coding Amendment 3 or H.264 Scalable Extension (SE) which is being standardized. In this paper, when the motion vectors from the base layer have zero motion (0, 0) in inter-layer motion prediction or the Integer Transform coefficients of the residual between current MB and the motion compensated MB by the predicted motion vectors from the base layer are all zero, the block mode of the corresponding block to be encoded at the enhancement layer is determined to be the $16{\times}16$ mode. In addition, if the predicted mode of the MB to be encoded at the enhancement layer is not equal to the $16{\times}16$ mode, then the rate-distortion optimization is only performed on the reduced candidated modes which are same or smaller partitioned modes. Our proposed method exhibits the complexity reduction in encoding time up to 72%. Nevertheless, it shows negligible PSNR degradation and bit rate increase up to 0.25dB and 1.73%, respectively.
Keywords
Scalable Video Coding; inter-layer texture prediction; inter-layer motion prediction; inter-layer residual prediction; zero motion vector;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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