Patent ID: 11930222
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. The one or more non-transitory, computer-readable storage media of claim 14, further comprising instructions that, when executed on or across the one or more processors, cause the one or more processors to:
filter the input video to generate a de-grained video;
measure texture of a plurality of blocks of the de-grained video;
identify one or more blocks of the plurality of blocks based on relative amounts of the measured texture relative to other measured textures of other blocks of the plurality of blocks;
compare the one or more blocks of the de-grained video to one or more corresponding blocks of the input video; and
determine a difference between the one or more blocks of the de-grained video and the one or more corresponding blocks of the input video, wherein the film grain description is generated based at least in part on the difference.