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Side information plays a key role in the performance of a Distributed Video Coding (DVC) system. However, the generation of side information often relies on complex motion estimation/interpolation operation. The correlation between the source data and the side information, sometimes referred as virtual channel, is also very difficult to model accurately. In this paper, we propose a bitwise prediction...
This paper proposes an improved frame interpolation algorithm. The forward motion vectors between the previous and the next key frame is gained at first by traditional block matching algorithm. Then we get the backward motion vectors by using the dynamic search range based on the already known forward motion vector. After smoothing the bidirectional motion vectors, we can get more accurate motion...
In the distributed video coding, side information is involved not only in the decoding of the quantized source, but also in the reconstruction of the images. So the quality of side information takes an important role in the distributed video codec. In this paper, a refined approach to SI extraction is proposed. Based on the high correlation between the motion vectors of adjacent blocks, the motion...
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