FIELD: physics.
SUBSTANCE: invention relates to video encoding and decoding. Technical result is provided due to the fact that performing the conversion between the current video block of the chromatic component of visual media data and the representation of the current video block of the chromatic component in the form of a data bit stream, wherein in the conversion process, the chromaticity component residual of the current chroma component video block is scaled based on the scaling factor, wherein the scaling factor is determined based at least on the readings of the brightness component located in predetermined positions.
EFFECT: high efficiency of encoding and decoding video.
14 cl, 23 dwg
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