Method and module for acquiring position information of transform block
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United States of America Patent
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Jan 9, 2018
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app pub date -
Jun 21, 2016
filing date -
Aug 31, 2011
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Abstract
An embodiment of the present disclosure provides a method for acquiring position information of a transform block. The method includes obtaining a splitting manner of an image block, obtaining splitting direction information according to the splitting manner of the image block and a splitting layer number of a transform block, or obtaining splitting direction information according to the splitting manner of the image block and a numerical relationship between a width and a height of a transform block, and obtaining position information of a post-splitting transform block according to the splitting direction information. In embodiments of the present disclosure, splitting direction information is obtained directly according to a splitting manner of an image block and a layer number, and then, size information of a transform block is coded according to the splitting direction information, thereby effectively reducing complexity of a coding process.
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