Lg electronics inc. (20250106433). TRANSFORM IN INTRA PREDICTION-BASED IMAGE CODING
TRANSFORM IN INTRA PREDICTION-BASED IMAGE CODING
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TRANSFORM IN INTRA PREDICTION-BASED IMAGE CODING
This abstract first appeared for US patent application 20250106433 titled 'TRANSFORM IN INTRA PREDICTION-BASED IMAGE CODING
Original Abstract Submitted
an image decoding method according to the present document comprises the steps of: acquiring prediction-related information and residual-related information for a current block; deriving transform coefficients for the current block on the basis of the residual-related information; and generating residual samples of the current block on the basis of the transform coefficients, wherein the residual-related information includes low-frequency non-separable transform (lfnst) index information indicating information relating to non-separable transform for a low-frequency transform coefficient of the current block on the basis of a matrix-based intra prediction (mip) flag.