FIELD: calculating; counting.
SUBSTANCE: invention relates to the computer equipment. In the method, the decoding device comprises a circuitry configured to receive coded data and conversion information, wherein the encoded data pertains to an image having luminance in a first dynamic range, and the conversion information pertains to converting the dynamic range of the luminance of the image from the first dynamic range to a second dynamic range; and decode the received encoded data to generate an image in which, during said conversion, a knee function defined by a break point is used, wherein the conversion information includes a conversion persistence flag indicating whether the conversion information applies to the plurality of continuous images.
EFFECT: technical result is to reduce the amount of transmitted service data.
12 cl, 93 dwg
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