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A new non-square quadtree transform structure is proposed to improve the coding efficiency of the HEVC video coding algorithm. The proposed method, designed for non-square inter prediction blocks, incorporates non-square transforms with the residual quadtree transform (RQT) structure. It improves the transform structure adaptation to complex image contents through exploiting the directional features...
A concept of a quadtree based nonsquare block coding structure is presented in this paper for the emerging High Efficiency Video Coding standard, which includes a quadtree based asymmetric motion partitioning scheme and a nonsquare quadtree transform (NSQT) algorithm. Nonsquare motion partitioning in inter frame coding provides the possibility of getting more accurate prediction results by splitting...
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