US 12,452,523 B2
Photographing method and electronic device
Hantao Cui, Shenzhen (CN); Wei Ji, Shenzhen (CN); Guangyuan Li, Shenzhen (CN); and Gang Chen, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Appl. No. 18/253,551
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
PCT Filed Nov. 23, 2021, PCT No. PCT/CN2021/132388
§ 371(c)(1), (2) Date May 18, 2023,
PCT Pub. No. WO2022/105928, PCT Pub. Date May 27, 2022.
Claims priority of application No. 202011324015.5 (CN), filed on Nov. 23, 2020.
Prior Publication US 2023/0421889 A1, Dec. 28, 2023
Int. Cl. H04N 23/63 (2023.01); H04N 13/239 (2018.01); H04N 23/68 (2023.01)
CPC H04N 23/632 (2023.01) [H04N 13/239 (2018.05); H04N 23/687 (2023.01)] 22 Claims
OG exemplary drawing
 
1. A method of operating an electronic device comprising a screen, a first camera, and a second camera, wherein optical centers of the first camera and the second camera do not overlap, and a focal length of the first camera is less than a focal length of the second camera, the method comprising:
detecting, by the electronic device, that a zoom ratio gradually changes within a first ratio range, wherein the zoom ratio in the first ratio range is less than an optical zoom ratio of the second camera, and a ratio difference between the zoom ratio within the first ratio range and the optical zoom ratio of the second camera is less than a first value;
cropping an image captured by the first camera to obtain a preview image whose field of view (FOV) size gradually changes, wherein an FOV center of the preview image, whose FOV size gradually changes, gradually approaches or gets away from an FOV center of the second camera; and
displaying, by the electronic device on the screen, the preview image whose FOV size gradually changes.