US 11,722,768 B2
Method and apparatus for controlling camera, and medium and electronic device
Jin Huang, Beijing (CN); Gang Huang, Beijing (CN); Kesheng Wang, Beijing (CN); Yin Yao, Beijing (CN); and Qiaoling Xu, Beijing (CN)
Assigned to BEIJING AMBOW SHENGYING EDUCATION AND TECHNOLOGY CO., LTD., Beijing (CN)
Filed by Beijing Ambow Shengying Education and Technology Co., Ltd., Beijing (CN)
Filed on Jul. 29, 2021, as Appl. No. 17/388,077.
Claims priority of application No. 202110423610.2 (CN), filed on Apr. 20, 2021.
Prior Publication US 2022/0337738 A1, Oct. 20, 2022
Int. Cl. H04N 23/67 (2023.01); H04N 21/2187 (2011.01); H04N 21/234 (2011.01); G06V 40/18 (2022.01)
CPC H04N 23/67 (2023.01) [G06V 40/18 (2022.01); H04N 21/2187 (2013.01); H04N 21/23418 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for controlling a camera, comprising:
acquiring head portrait information of a teacher in a video frame image of a live classroom in real time;
analyzing the head portrait information to acquire organ identification information of each organ, wherein the organ identification information is used to indicate whether the organ exists;
determining an orientation type of a face in the head portrait information based on the organ identification information, wherein the orientation type comprises a forward type, a lateral type, and a backward type, and the forward type indicates that the face in the head portrait information faces the camera, the lateral type indicates that one side of the face in the head portrait information faces the camera, and the backward type indicates that the face in the head portrait information faces away from the camera;
controlling the camera to focus on the teacher in response to the orientation type being the forward type; and
controlling the camera to focus on a blackboard in response to the orientation type being the backward type or the lateral type.