Coding of information about transform kernel set

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United States of America Patent

PATENT NO 11909972
APP PUB NO 20230134294A1
SERIAL NO

18092828

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image decoding method includes: acquiring a multiple transform selection (MTS) index and residual information from a bitstream; deriving transform coefficients for the current block on the basis of the residual information; and generating residual samples of the current block on the basis of the MTS index and the transform coefficients, wherein the MTS index indicates a transform kernel set to be applied to the current block among transform kernel set candidates, at least one bin among bins of a bin string of the MTS index is derived on the basis of context coding, the context coding is performed on the basis of values of increase and decrease in a context index pertaining to the MTS index, and a single value of increase and decrease in the context index can be used for the context coding of the first bin among the bins of the bin string.

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Patent Owner(s)

  • LG ELECTRONICS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Seunghwan Seoul, KR 708 1898
Koo, Moonmo Seoul, KR 260 756
Lim, Jaehyun Seoul, KR 577 4096
Nam, Junghak Seoul, KR 284 1146

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