公开(公告)号：US20240334084A1

公开(公告)日：2024-10-03

申请号：US18416543

申请日：2024-01-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang Hoon CHOI ,  Hyunyup Kwak ,  Jaeuk Ahn ,  Yongmi Lee ,  Seungwon Choi

IPC: H04N25/683

CPC classification number: H04N25/683

Abstract: A defective pixel correction device is provided. The defective pixel correction device includes: a pixel grading circuit configured to output a grade map including a plurality of grades indicating defect levels and respectively corresponding to a plurality of pixels included in an input image; a pixel selection circuit configured to select one or more candidate pixels from among the plurality of pixels, based on whether the plurality of grades correspond to a correction level, in the grade map; and a correction circuit configured to correct the one or more candidate pixels.