公开(公告)号：US20230317023A1

公开(公告)日：2023-10-05

申请号：US17713965

申请日：2022-04-05

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Weihua Gao ,  Jianru Shi ,  Tianxin Ning ,  Haomiao Jiang

IPC: G09G3/34

CPC classification number: G09G3/342 ,  G09G2340/0407 ,  G09G2320/0626 ,  G09G2320/0247

Abstract: In particular embodiments, a computing system may receive an image to be shown on a display having a plurality of backlight zones. The computing system may compute a backlight matrix for adjusting brightness levels of the backlight zones of the display by computing, for each of the backlight zones, a zone statistic to represent grayscale levels of a portion of the image within the backlight zone, mapping the zone statistic of each of the backlight zones to a brightness value using a particular mapping technique configured to adjust any of the backlight zones having a zone statistic that is below a predetermined threshold, and generating the backlight matrix by filtering the brightness values. The computing system may instruct the display to output the image and adjust the backlight zones based on the backlight matrix.