Information processing device and method, and program, for gamut conversion of content

摘要

An device, method and program may properly perform gamut conversion of content and be applied to a gamut conversion device. A restoration conversion state confirming unit performs confirmation such as gamut conversion state of image data read out from an optical disc and the existence or not of restoration metadata. An information exchange unit communicates with an output device via a communication unit and performs information exchange such as the existence or not of restoration processing functionality and gamut conversion functionality and the like. A determining unit determines whether or not restoration processing is performed with a playing device based on information obtained by the restoration conversion state confirming unit and the information exchange unit. Similarly, the determining unit determines whether or not to perform gamut conversion processing with the playing device based on information obtained by the restoration conversion state confirming unit and the information exchange unit.

主权项

1. An image processing device comprising:
a processor to:
perform a gamut conversion to an input image so as to generate an output image whose gamut is narrower than that of the input image; andassociate metadata, used by a color mapping process which maps each pixel of the output image so that a gamut of a mapped image after the color mapping process to the output image is wider than that of the output image, with the output image, wherein the color mapping process includes non-linear operation to a saturation of the output image, and wherein the non-linear operation involves compressing a first region surrounded by a limited boundary and an uncompressed boundary into a second region surrounded by the uncompressed boundary and a target boundary, in which a third region within the uncompressed boundary is not mapped, and in which the third region is different from the first and second regions.