Abnormal object automatic finding and tracking video camera system

Abstract

The invention relates to a video camera system of discovering and tracking automatically abnormal targets. Camera lens, video camera, image collecting unit, image processing unit, turntable control unit, turntable consist of a closed loop control system. The image collecting unit converts standard television signals output by the camera into 16-bit digital video signals. The image processing unit outputs the center position of the biggest abnormal target after detecting abnormal targets, and outputs the zooming control of lens of the camera according to the size of targets and the position in the visual field. The turntable control unit gives an alarm to the monitoring center, controls rotation of the turntable to make the light axis of the camera installed in the turntable point to the abnormal targets detected, and adjusts automatically the zooming multiple to make the monitoring center obtain clear and intact video image about the abnormal targets. The invention realizes the quick detection and track about invading targets.

Description

Technical field: [0001] The invention relates to an abnormal target automatic discovery and tracking camera system, which is a security monitoring system capable of automatically finding abnormal targets in the field of view, automatically tracking them, and automatically changing the magnification of the camera lens. Background technique: [0002] Once there is an object moving in the field of view (people, objects enter) or an open flame, thick smoke, etc., the characteristics of the video image change, which is called anomaly. The traditional monitoring system does not have anomaly discovery function, and the anomalies can only be found by the monitoring personnel closely watching the monitor. However, because people's attention cannot be concentrated for a long time, for the monitoring of a small number of people in the monitoring room or monitoring of intrusion at night, the monitoring system is required to have an abnormality detection function. Liu Jun, Shu Chaojun, ...

AI Technical Summary

Problems solved by technology

The disadvantage of this system is that the rotation angular velocity of the universal pan / tilt used in the system is small and can only be a fixed value. In addition, the image processing and pan / tilt control unit in the system are completed by the remote computer.

The above two reasons increase the control delay, making it impossible to discover and track fast-moving abnormal targets in real time

[0003] Under normal circumstances, the resolution of the image captured by the camera is not high, and the details are not obvious

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