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In this paper, we investigate a new inter-channel coding mode called LM mode proposed for the next generation video coding standard called high efficiency video coding. This mode exploits inter-channel correlation using reconstructed luma to predict chroma linearly with parameters derived from neighboring reconstructed luma and chroma pixels at both encoder and decoder to avoid overhead signaling...
Images encoded at low bit rate usually exhibit visually annoying coding artifacts, which are commonly referred as blocking artifacts. In this paper, a novel weighted adaptive total variation method is proposed to remove the blocking artifacts. Based on the analysis of image coding process and block-based discrete cosine transform (BDCT) image properties, image deblocking is formulated as an optimization...
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