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    • 10. 发明授权
    • Image transform for video coding
    • 视频编码的图像变换
    • US08300693B2
    • 2012-10-30
    • US11332309
    • 2006-01-17
    • Markus FlierlBernd GirodPierre Vandergheynst
    • Markus FlierlBernd GirodPierre Vandergheynst
    • H04N7/50
    • H04N19/615H04N19/13H04N19/61H04N19/63
    • A method is disclosed for decomposing a set of even and odd pictures into low-band and high-band pictures respectively in a image decomposing unit, in which the even picture is used by at least two prediction motion compensators on which the output signal of each prediction motion compensator is scaled according to the number of prediction motion compensators. The method includes calculating the high-band picture by subtracting from the odd picture the scaled motion-compensated signals and using the high-band picture in the at least two update motion compensators, the output signal of each update motion compensator being scaled according to the number of update motion compensators. Finally, the low-band picture is calculated by adding the scaled update motion-compensated signals to the even picture.
    • 公开了一种用于在图像分解单元中分别将一组偶数和奇数图像分解为低频带和高频带图像的方法,其中偶数图像由至少两个预测运动补偿器使用,其中每个预测运动补偿器的输出信号 预测运动补偿器根据预测运动补偿器的数量进行缩放。 该方法包括通过从奇数图像中减去经缩放的运动补偿信号并使用至少两个更新运动补偿器中的高频带图像来计算高频带图像,每个更新运动补偿器的输出信号根据 更新运动补偿器的数量。 最后,通过将经缩放的更新运动补偿信号添加到偶数图像来计算低频带图像。