Linkage method for tracking moving object based on pixel differential ratio and system thereof

Abstract

The invention relates to a linkage method for tracking a moving object based on a pixel differential ratio and a system thereof. The method comprises the steps of acquiring the pixel differential ratio of the moving object; acquiring the angular speed of a holder of an image acquiring device, and driving the holder to rotate and automatically track the moving object; and acquiring the pixel area of the moving object in the image, and automatically scaling the moving object according to a pixel area zoom lens. The system comprises an image acquiring device, for capturing and sending monitoring video streams; a network device, for transmitting monitoring video streams and control commands; and a processing device, used for controlling the linkage of the automatic scaling and automatic tracking of the image capturing device to the moving object. According to the method, the position information of the moving object or the system in the view field can be acquired without the help of additional auxiliary devices, and thereby the linkage of smooth and stable automatic scaling and automatic tracking of the system to the moving object can be achieved.

Description

technical field [0001] The invention belongs to the field of intelligent security monitoring, and in particular relates to a camera with a telephoto zoom lens on the back of a pan / tilt to carry out a wide field of view on a moving target, a linkage method for continuous real-time automatic zooming and automatic tracking of a moving target, and automatic zooming and tracking. Linkage system for automatic tracking of moving targets. Background technique [0002] With the rapid development of information technology and the continuous improvement of the quality of life, people's awareness of security monitoring of living and public environments (such as living quarters, stations, railways, forests, airports, etc.) is also increasing. Among them, video surveillance has been widely used because of its intuition. The monitoring solution represented by the pan-tilt camera installs the camera on the pan-tilt, and by controlling the horizontal and vertical rotation of the pan-tilt, i...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the angular velocity of controlling the rotation of the pan-tilt in the prior art and the angular velocity in the tangential direction of the circular movement of the target with the pan-tilt as a reference point, there is no substantial correlation, there is no smooth monitoring picture and for fast movement and high speed The changing target is easy to follow the problem, and to overcome the deficiencies in the prior art to control the rotation of the pan-tilt to follow the moving target linkage, the moving target or its own position information needs to be positioned by auxiliary equipment, the purpose of the present invention is to provide a pixel-based Linkage method and system for tracking moving target based on differential ratio

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