公开(公告)号：US20240259707A1

公开(公告)日：2024-08-01

申请号：US18399340

申请日：2023-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： CHANGHOON CHOI ,  SEUNGWON CHOI ,  HYUNCHEOL KIM ,  JONGSEONG CHOI

IPC: H04N25/61 ,  H04N23/71 ,  H04N23/72 ,  H04N23/75 ,  H04N23/76 ,  H04N25/51

CPC classification number: H04N25/61 ,  H04N23/71 ,  H04N23/72 ,  H04N23/75 ,  H04N23/76 ,  H04N25/51

Abstract: A lens shading correction circuit includes an elliptical gain generation circuit configured to extract a position of a pixel and generate an elliptical gain value using elliptical gain parameters and the extracted position and a multiplier configured to output an output value by multiplying the elliptical gain value by a weight for the pixel. The lens shading correction circuit corrects the lens shading based on the first output value and a gain increment value.