公开(公告)号：US20240185390A1

公开(公告)日：2024-06-06

申请号：US18061856

申请日：2022-12-05

Applicant: QUALCOMM Incorporated

Inventor： Xiaoyun Jiang ,  Nyeongkyu Kwon

IPC: G06T5/50 ,  G06T5/00 ,  G06T5/20 ,  G06T7/20

CPC classification number: G06T5/50 ,  G06T5/003 ,  G06T5/009 ,  G06T5/20 ,  G06T7/20 ,  G06T2207/10016 ,  G06T2207/10144 ,  G06T2207/20201 ,  G06T2207/20208 ,  G06T2207/20221

Abstract: This disclosure provides systems, methods, and devices for image signal processing detect and correct motion during HDR fusion. In a first aspect, a method is provided that includes receiving a first image frame, a second image frame, and a third image frame. The second image frame may be captured with a short exposure time and the third image frame may be captured with a long exposure time. The method may include determining a first motion map based on the first and third image frames and a second motion map based on the second and third image frames. A third motion map may be determined based on the first and second motion maps and used to determine a fourth image frame by combining the second and third image frames. Other aspects and features are also claimed and described.

公开(公告)号：US11363213B1

公开(公告)日：2022-06-14

申请号：US17187357

申请日：2021-02-26

Applicant: QUALCOMM Incorporated

Inventor： Ki Sun Song ,  Yi-Chun Lu ,  Shang-Chih Chuang ,  Xiaoyun Jiang ,  Nyeongkyu Kwon

IPC: H04N5/235 ,  G06T7/20

Abstract: Methods, systems, and devices for minimizing ghosting in high dynamic range image processing are described. The method may include capturing from a sensor of the device a downscaled first frame of a first exposure length and a downscaled second frame of a second exposure length that is longer than the first exposure length, identifying a highlight region associated with the downscaled first frame and a motion region associated with the downscaled first frame and with the downscaled second frame, blending the motion region in accordance with determining whether at least a portion of the motion region overlaps the highlight region, and incorporating the blending of the motion region in a set of full resolution frames.