Sughrue Mion, PLLC
Method, apparatus and medium for decoding or encoding using a low-complexity transform
A method of encoding or decoding utilizing a low complexity transform may include receiving information regarding a target block for encoding or decoding, and if the at least one of a width or a height of a block size of the target block is greater than or equal to the predetermined threshold, performing encoding or decoding of the target block, but instead of applying a large transform having a size corresponding to the at least one of the width or the height of the block size of the target block, applying a first transform to a first portion of the target block, and applying the first transform or a second transform to a second portion of the target block. Also, at least one of the first transform and the second transform is a low-complexity transform that has a size that is less than the predetermined threshold.
TENCENT AMERICA LLC
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Xin Xiang Shan
Zhao Li Liu