A region-based rate-control scheme using inter-layer information for H.264/SVC

  • Authors:

  • Hai-Miao Hu;Weiyao Lin;Bo Li;Ming-Ting Sun

  • Affiliations:

  • Beijing Key Laboratory of Digital Media, School of Computer Science and Engineering, Beihang University, Beijing 100191, China;Dept. of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;Beijing Key Laboratory of Digital Media, School of Computer Science and Engineering, Beihang University, Beijing 100191, China and State Key Laboratory of Virtual Reality Technology and Systems, B ...;Dept. of Electrical Engineering, University of Washington, Seattle, WA 98195, USA

  • Venue:
  • Journal of Visual Communication and Image Representation
  • Year:
  • 2011

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Abstract

This paper proposes a region-based rate-control scheme for H.264/SVC. The inter-layer information is utilized to improve both the coding efficiency and the subjective quality of the moving region (MR). Firstly, we propose an MR extraction method by combining the inter-layer and inter-frame information. The difference between the current frame and the previous frame is used as the inter-frame information to detect moving areas. The motion information of the reference layer is used as the inter-layer information to combine with the inter-frame information to achieve a suitable MR extraction. Secondly, according to the coding result of the reference layer, we propose to sub-divide the non-MR into complex regions and flat regions based on a MacroBlock (MB) complexity measure. Experimental results demonstrate that the proposed scheme can obtain better quality both subjectively and objectively by using different weighting factors for the three regions.