Patent ID: 11869265
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 14:
15. An object tracking method, the method comprising:
receiving an identifier of a terminal and a reference time to track an object corresponding to the identifier;
detecting a cross-CCTV for the terminal by using a closed circuit television (CCTV) installation information and a location of the terminal before the reference time;
detecting an object repeatedly appearing in the cross-CCTV as a basic image;
detecting a current-CCTV currently recording the terminal by detecting a location and a moving direction of the terminal after the reference time;
detecting an object appearing in the current-CCTV based on the location and the moving direction of the terminal after the reference time; and
tracking an object corresponding to the identifier by determining whether the detected object from the current-CCTV is re-identified from the basic image.