US 12,470,816 B2
Video shooting method and electronic device
Qiuyang Wei, Shenzhen (CN)
Assigned to Honor Device Co., Ltd., Shenzhen (CN)
Appl. No. 17/792,527
Filed by Honor Device Co., Ltd., Shenzhen (CN)
PCT Filed Apr. 19, 2021, PCT No. PCT/CN2021/088189
§ 371(c)(1), (2) Date Jul. 13, 2022,
PCT Pub. No. WO2021/213341, PCT Pub. Date Oct. 28, 2021.
Claims priority of application No. 202010331367.7 (CN), filed on Apr. 24, 2020.
Prior Publication US 2023/0055623 A1, Feb. 23, 2023
Int. Cl. H04N 23/667 (2023.01); G06T 7/20 (2017.01); H04N 23/45 (2023.01); H04N 23/63 (2023.01)
CPC H04N 23/667 (2023.01) [G06T 7/20 (2013.01); H04N 23/45 (2023.01); H04N 23/63 (2023.01); G06T 2207/10016 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A video shooting method, applied to an electronic device, wherein the electronic device is provided with a first camera and a second camera, the first camera and the second camera are different in a field of view and a shooting direction, and the method comprises:
receiving a shooting instruction entered by a user;
when the shooting instruction is a first shooting instruction, determining a camera with a relatively large field of view as the first camera;
when the shooting instruction is a second shooting instruction, determining a camera with a relatively small field of view as the first camera;
invoking the first camera to perform preview;
if it is detected that a target moving object moves in the field of view of the first camera, determining a target shooting frame rate based on a moving speed of the target moving object, wherein the target shooting frame rate is determined further based on a quantity of pixels by which the target moving object moves in the field of view of the first camera and a quantity of pixels of a shooting area of the second camera in a moving direction of the target moving object; and
calculating a trigger location for starting the second camera before invoking the second camera to shoot a slow motion video of the target moving object at the target shooting frame rate, wherein the trigger location is a location in the field of view of the first camera to which the target moving object moves.