MESSAGING METHOD AND SYSTEM FOR TONE MAPPING, IMAGE RECEPTION DEVICE, IMAGE TRANSMISSION DEVICE, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a method and system for signaling tone map data to an image receiver.

SOLUTION: The system includes an image reception part 142 for receiving an image and for receiving a message, a map selection part 148 for selecting a first tone map for application to the image from a plurality of tone maps for use in converting an image from a first dynamic range to a second dynamic range, and a tone mapping part 144B for applying the first tone map to the image to produce a tone-mapped image. The message includes the plurality of tone maps, each of which is defined by a tone map model identifier and at least one tone map model parameter and is associated with a tone map identifier which identifies the purpose of the tone map.

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