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Video quality in real-time mobile communication is often influenced by the ambient light. In the low-lighting condition, videos in real-time mobile communication are usually dark and lack details. To solve the above problem, we propose a fast low-lighting video enhancement algorithm by exploiting the constrained spatial-temporal model, in which three terms including luminance accuracy, contrast accuracy...
Recent video coding standards with hybrid structure adopt variable block-size processing techniques including variable block-size motion estimation and compensation, variable block-size intra prediction, and variable block-size transform. This paper gives analysis on the variable block-size techniques based on software simulations, and variable block-size transform is specially studied. As a result...
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