Patent ID: 11871053
Assignee: LG ELECTRONICS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. An image encoding method, comprising:
remapping an input image based on a first color space into an image based on a second color space;
generating color remapping information on the remapping,
wherein the color remapping information includes coefficients information representing three-by-three color remapping matrix coefficients used for the remapping,
encoding the color remapping information to generate a video stream; and
wherein the color remapping information further includes color primaries information for defining the second color space for the remapped image,
wherein the color primaries information indicates red (R), green (G) and blue (B) primaries of the color space of the remapped image,
wherein the color remapping information further includes a first mapping information for converting values of color components in a color space of the input image into values of color components in a reference color space,
wherein the color remapping information further includes a second mapping information for converting the values of the color components in the reference color space into values of color components in the color space of the remapped image,
wherein the video stream includes a Supplemental Enhancement Information (SEI) message,
wherein the color remapping information is included in the SEI message.