Oblon, McClelland, Maier & Neustadt, L.L.P.
Intra prediction with wide angle mode in video coding
Aspects of the disclosure provide an apparatus for video coding. The apparatus includes circuitry configured to reconstruct one or more blocks neighboring a first block that is non-square, and determine a range of reference samples required for an intra prediction of the first block based on a shape of the first block. The range includes samples having coordinates of x=[−1], y=[−1 to (dimension1*2+m)], and x=[0 to (dimension2*2+n)], y=[−1]. Dimension1 denotes a length of a first side of the first block, dimension2 denotes a length of a second side of the first block that is perpendicular to the first side of the first block, and m and n are integers greater or equal to 0. The circuitry is further configured to perform the intra prediction based on the reference samples in the determined range.
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Shan Xiang Xin Liang
Liu Li Zhao Zhao