Patent ID: 9554020
Date: 2017-01-24
CPC Classifications: G06T,H04N

Claim:
1. A method for guiding the display management of enhanced dynamic range (EDR) images in a video sequence, the method comprising, in a decoder: receiving a first set of metadata for a first image color graded on a first reference video display; receiving a set of delta metadata for a second image color graded on a second reference video display, wherein the first and second images represent the same scene; generating a second set of metadata for the second image color graded on the second reference display, using the first set of metadata and the delta metadata; receiving image data for the first image; accessing a set of parameters for a target video display; interpolating a third set of metadata using the first set of metadata, the second set of metadata, and the parameters of the target display; and mapping the image data for the first image into the target display using the image data, the third set of metadata, and the parameters for the target display; wherein the method is performed by one or more computing devices.