US 11,812,139 B1
Closed loop dynamic ISP throttling
Gal Bitan, Tel-Aviv (IL); Tal Bernstein, Tel-Aviv (IL); Ilya Romm, Tel-Aviv (IL); and Yoram Furth, Tel-Aviv (IL)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Jun. 20, 2022, as Appl. No. 17/807,854.
Int. Cl. H04N 23/65 (2023.01); G06T 7/90 (2017.01); G06T 7/00 (2017.01); H04N 23/80 (2023.01); H04N 23/88 (2023.01)
CPC H04N 23/651 (2023.01) [G06T 7/0002 (2013.01); G06T 7/90 (2017.01); H04N 23/80 (2023.01); G06T 2207/30168 (2013.01); H04N 23/88 (2023.01)] 19 Claims
OG exemplary drawing
 
1. A method of controlling power usage in an image signal processor, comprising:
measuring an actual percentage of flat pixels in a digital image;
adjusting a percentage threshold of flat pixels in the digital image, based on the measured actual percentage of flat pixels in the digital image; and
processing the digital image by the image signal processor based on the percentage threshold of flat pixels,
wherein the percentage threshold of flat pixels has been adjusted to reduce power used by the image signal processor in processing the digital image.