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首页> 外国专利> USAGE OF DCT BASED INTERPOLATION FILTER AND ENHANCED BILINEAR INTERPOLATION FILTER IN AFFINE MOTION COMPENSATION

USAGE OF DCT BASED INTERPOLATION FILTER AND ENHANCED BILINEAR INTERPOLATION FILTER IN AFFINE MOTION COMPENSATION

机译：基于DCT的插值滤波器和增强型双线性插值滤镜在仿射运动补偿中的用途

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摘要

The present disclosure relates to adaptive usage of pixel-based and block-based affine motion compensation. Sub-block-based affine transform prediction is performed on an affine block with a first sub-block size if the first sub-block size is greater than or equal to a first sub-block size threshold. If the first sub-block size is less than the first sub-block size threshold, it is determined whether a pixel-based motion vector field is not applied for performing motion compensation for the affine block. If the motion vector field is not applied, a sub-block-based affine motion prediction is performed with a second sub-block size that is based on the first sub-block size. If the pixel-based motion vector field is applied, motion compensation is performed for a sub-block of the affine block using the pixel-based motion vector field.
机译：本公开涉及基于像素的基于像素和基于块的仿射运动补偿的自适应使用。如果第一子块大小大于或等于第一子块大小阈值，则在具有第一子块大小的带有第一子块大小的仿射块上执行基于子块的仿射器预测。如果第一子块大小小于第一子块大小阈值，则确定是否不应用基于像素的运动矢量字段以对仿射块执行运动补偿。如果不应用运动矢量字段，则以基于第一子块大小的第二子块大小执行基于子块的仿射运动预测。如果应用基于像素的运动矢量字段，则使用基于像素的运动矢量字段对仿射块的子块执行运动补偿。

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