CPC H04N 19/12 (2014.11) [H04N 19/176 (2014.11); H04N 19/18 (2014.11); H04N 19/48 (2014.11); H04N 19/60 (2014.11)] | 20 Claims |
1. A method of processing video data, comprising:
determining, for a conversion between a current block of a video and a bitstream of the video, whether to enable a level mapping operation or a level remapping operation based on whether a combination of an absolute value of a coefficient level and a remaining absolute value of the coefficient level is equal to zero, and wherein the level mapping operation or the level remapping operation includes changing between a first representation of a residual coefficient and a second representation of the residual coefficient based on neighboring residual coefficients of the residual coefficient; and
performing the conversion by selectively using the level mapping operation or the level remapping operation based on the determining.
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