公开(公告)号：US20200304717A1

公开(公告)日：2020-09-24

申请号：US16821359

申请日：2020-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyongtae PARK ,  Jeongki Kim ,  Kyunghoon Yoon ,  Junsik Choi ,  Hyungok Choi

IPC: H04N5/232

Abstract: A method and an apparatus for operating an electronic device is provided. A first image is obtained at a first position of a focus lens of a camera module of the electronic device. The first image is output through a display. A second image is obtained at a second position of the focus lens while the first image is being output. A defocus amount of the focus lens at the second position is calculated based on the first image and the second image. An on-focus region is detected based on the calculated defocus amount.

公开(公告)号：US11297237B2

公开(公告)日：2022-04-05

申请号：US16821359

申请日：2020-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyongtae Park ,  Jeongki Kim ,  Kyunghoon Yoon ,  Junsik Choi ,  Hyungok Choi

IPC: H04N5/225 ,  H04N5/232

Abstract: A method and an apparatus for operating an electronic device is provided. A first image is obtained at a first position of a focus lens of a camera module of the electronic device. The first image is output through a display. A second image is obtained at a second position of the focus lens while the first image is being output. A defocus amount of the focus lens at the second position is calculated based on the first image and the second image. An on-focus region is detected based on the calculated defocus amount.