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Wyner-Ziv video coding (WZC) exhibits many properties like low-complexity encoding or embedded error resilience. The quality of side information takes an important role in the performance of WZC. In order to improve the performance of WZC, a new side information interpolation algorithm is proposed in this paper. In our approach, adjacent frames are recombined before encoding. At the decoder, side...
This paper analyzes intra prediction method in H.264/AVC high profile, and designs a reconfigurable hardware decoding architecture for intra prediction. To effectively reduce access times and resource consumption for on-chip RAM, an efficient buffer design is presented in prediction mode selection and reference pixel access. Based on the similarities of intra prediction for different modes, a reconfigurable...
In this paper, a framework of region-of-interest (ROI) based multi-view video coding has been proposed to improve compression efficiency by properly segmenting the multi-view videos into different macroblock level ROI and encoding them separately. We define depth based ROI for multi-view video. Then, we propose a semantic low-complexity rode extraction algorithm based on multi-view video plus depth...
A novel variable bit rate (VBR) control method is proposed for single-pass audio video coding standard (AVS) video encoding in this paper. An efficient scene change detection method based on peak signal to noise ratio (PSNR) is introduced to solve the problem of quality degradation in subsequent frames when scene changes occur. Furthermore, the proposed rate control method can be efficiently adapted...
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