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In the state-of-the-art H.265/HEVC video coding standard, the highest resolution of motion vectors is 1/4-pixel. However, the 1/8-pixel motion vector performs better in some specific scenes but brings more time cost. In this paper, we propose an optimally scalable and cost-effective algorithm for fractional-pixel motion estimation with 1/8-pixel motion vector resolution, which fits well to varying...
Improving the coding efficiency is the eternal theme in video coding field. The traditional way for this purpose is to reduce the redundancies inside videos by adding numerous coding options at the encoder side. However, no matter what we have done, it is still hard to guarantee the optimal coding efficiency. On the other hand, the decoded video can be treated as a certain compressive sampling of...
With the quad-tree based coding structure and more flexible intramodes, the coding efficiency provided by intra-technique in interframes of HEVC is much higher than the preceding standard H.264/AVC. However, the computing complexity is also significantly increased. Although only a few CUs are encoded as intra-mode in inter-frames finally, almost all CUs need to be checked all the intra-options to...
Different from conventional profiles in the state-of-the-art video coding standard HEVC and related optimization methods, we focus on building the optimally scalable algorithms under constrained and varying computational capacity to take full advantages of HEVC as far as possible in order to meet the growing demands of computational capacity adaptive applications such as real-time video communication...
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