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    • 1. 发明申请
    • IMPROVED VIDEO MOTION PROCESSING
    • 改进的视频运动处理
    • WO2004025958A1
    • 2004-03-25
    • PCT/GB2003/003961
    • 2003-09-12
    • SNELL & WILCOX LIMITEDTHOMSON, RodKNEE, Michael, JamesWESTON, Martin
    • THOMSON, RodKNEE, Michael, JamesWESTON, Martin
    • H04N7/01
    • H04N7/014
    • In motion compensated video processing, a method of combining a plurality of pictures from an input sequence to form an output picture temporally intermediate two of the input pictures by projecting input pixels to locations on the output picture according to motion vectors assigned to the input pixels, in which the mix of input pixels used to form an output pixel takes into account the number and nature of vectors which point to a given output pixel location from each input picture. In the case where there are a plurality of vectors from one input image pointing to the output pixel location the method may assign a lower weight to input pixels from that input picture, or may make a statistical analysis of the plurality of vectors in determining the output pixel. Alternatively increased weighting may be assigned to input pixels the respective vectors of which form conjugate pairs.
    • 在运动补偿视频处理中,通过根据分配给输入像素的运动矢量将输入像素投影到输出图像上的位置,将来自输入序列的多个图像组合起来以形成时间上位于两个输入图像之间的输出图像的方法, 其中用于形成输出像素的输入像素的混合考虑了从每个输入图像指向给定输出像素位置的向量的数量和性质。 在从一个输入图像指向输出像素位置存在多个向量的情况下,该方法可以从该输入图像分配较低的权重给输入像素,或者可以在确定输出中对多个向量进行统计分析 像素。 替代地,可以将增加的加权分配给其各自向量形成共轭对的输入像素。