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    • 9. 发明申请
    • APPARATUS AND METHODS FOR MOTION VECTOR CORRECTION
    • 装置和运动矢量校正方法
    • US20100284627A1
    • 2010-11-11
    • US12437693
    • 2009-05-08
    • Siou-Shen LinTe-Hao ChangChin-Chuan Liang
    • Siou-Shen LinTe-Hao ChangChin-Chuan Liang
    • G06K9/40
    • H04N5/145H04N19/513H04N19/521
    • A motion vector correction apparatus for correcting an estimated motion vector for a pixel located at a position of an interpolated frame between a first and a second frame is provided, including a three-frame motion estimation unit estimating a previous and a following motion vector fields; a motion vector selection unit determining a set of reference motion vectors associated with the first and second frame for the position of the pixel, wherein the reference motion vectors include a first motion vector set as the estimated motion vector and a pair of corresponding motion vectors from the previous and following motion vector fields; and a motion vector correction unit obtaining a measure of consistency between the corresponding motion vectors, adapting a plurality of weighted factors according to the measure of consistency and correcting the estimated motion vector according to the adapted weighted factors and the set of reference motion vectors.
    • 提供一种运动矢量校正装置,用于对位于第一和第二帧之间的内插帧的位置处的像素的估计运动矢量进行校正,包括估计前一个和后续运动矢量场的三帧运动估计单元; 运动矢量选择单元,确定与所述像素的位置相关联的与所述第一和第二帧相关联的参考运动矢量的集合,其中所述参考运动矢量包括作为所述估计的运动矢量设置的第一运动矢量和来自所述估计运动矢量的一对相应运动矢量, 前一个和后续运动矢量场; 以及运动矢量校正单元,其获得所述相应运动矢量之间的一致性的度量,根据所述一致性的度量调整多个加权因子,并根据所述适应的加权因子和所述参考运动矢量的集合来校正所述估计运动矢量。