US 12,008,789 B2
Image sensing device and method of operating the same
Jeong Yong Song, Gyeonggi-do (KR); Jae Yoon Yoo, Gyeonggi-do (KR); and Ji Hee Han, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Nov. 23, 2021, as Appl. No. 17/534,276.
Claims priority of application No. 10-2021-0074776 (KR), filed on Jun. 9, 2021.
Prior Publication US 2022/0398777 A1, Dec. 15, 2022
Int. Cl. G06T 7/80 (2017.01); G06T 5/40 (2006.01); G06T 5/70 (2024.01); G06T 7/11 (2017.01); G06T 7/90 (2017.01); H04N 25/704 (2023.01)
CPC G06T 7/80 (2017.01) [G06T 5/40 (2013.01); G06T 5/70 (2024.01); G06T 7/11 (2017.01); G06T 7/90 (2017.01); H04N 25/704 (2023.01); G06T 2207/20016 (2013.01); G06T 2207/20182 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image processing device comprising:
a gain table generator configured to use pixel values included in a region of interest included in an image to generate a gain table including gain table values corresponding to a first resolution;
a gain table binner configured to convert the gain table into a target table including target table values corresponding to a second resolution; and
a calibrator configured to perform a calibration operation of cancelling a noise included in the image based on the target table.