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In this paper, an analytical framework for frame-level dependent bit allocation (DBA) in hybrid video coding is proposed. First, the dependency of neighboring frames is quantitatively measured with the proposed inter-frame dependency model (IFDM). Based on the proposed IFDM, the problem of frame-level DBA among a number of frames of different frame types is studied, and the optimal solution is achieved...
In the block-based image coding systems, the pixels at the block boundaries usually have larger distortions than the pixels at other positions. This biased distortion distribution not only generates unpleasant blocking artifact, but potentially decreases the intra-prediction performance and eventually diminishes the coding efficiency. Motivated by this observation, a novel distortion redistribution...
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