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HEVC employs a quad-tree based Coding Unit (CU) structure to achieve a significant improvement in coding efficiency compared with previous standards. However, the computational complexity is greatly increased. We proposed a fast mode decision algorithm to reduce intra coding complexity. Firstly, an initial candidate list of intra modes is constructed for each Prediction Unit (PU). The prediction mode...
We introduce a novel image regularization termed as multiple degree total variation (MDTV). This type of regularization combines the first and second degree directional derivatives, thus providing a good balance between preservation of edges and region smoothness. In order to solve the resulting optimization problem, we propose an iteratively reweighted majorize minimize algorithm. We demonstrate...
The main focus of this paper is to further improve the performance of the recently introduced higher degree total variation (HDTV) penalties, which are L1-Lp; p ≥ 1 norms of directional image derivatives. We generalize this class as the L1-Lp norms of image responses to rotated versions of an arbitrary derivative operator. We show that several penalties proposed by other researchers are special cases...
This paper has emphasized on the internal factors resulting in the inactive involvement of “people” into the effective enterprise-wide risk management (ERM), and further confirms that the enterprises should take efforts on establishing en effective encouragement mechanism so as to eliminate the negative effects of these key factors and finally help to construct a practical ERM system. Thus, in this...
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