Patent ID: 11962760
Assignee: DOLBY LABORATORIES LICENSING CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method comprising:
decoding, from a video signal, one or more first images of a first color grade and comprising M color channels, with M>1;
accessing a set of tensor-product B-Spline (TPB) basis functions corresponding to a tensor product of M sets of B-spline basis functions;
decoding, from the video signal, image metadata comprising a set of selected TPB prediction parameters for multiplying with the set of tensor-product B-Spline (TPB) basis functions;
using the set of TPB prediction parameters with the set of TPB basis functions to generate one or more mapped images from the one or more first images; and
causing one or more display images derived from the one or more mapped images to be rendered with a display device.