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Multi-camera intelligent control method and device

An intelligent control and multi-camera technology, which is applied in image analysis, image communication, image data processing, etc., can solve the problems that the panoramic camera cannot cover the surveillance area and the camera tracking range is limited.

Active Publication Date: 2009-11-04
华雁智科(杭州)信息技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the panoramic camera cannot cover a large surveillance area, and the tracking range of the camera that can be controlled is limited

Method used

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  • Multi-camera intelligent control method and device

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Experimental program
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Embodiment Construction

[0039] figure 1 Shown is an embodiment process of multi-camera control of the present invention:

[0040] Before the process starts, the system needs to be initialized, such as setting the initial focal length and orientation of the camera at a preset preset position (aligning with the entrance of the road), and defining the adjacent relationship of each camera, such as each A camera defines some areas associated with adjacent cameras. This area can be defined by the camera focal length and azimuth parameter range, and defines the name or number of the adjacent camera and its corresponding preset position. Geographic Information System (GIS) can also be used ) to define the adjacent camera associated area.

[0041] The image from the camera is input frame by frame. After each frame image is input, the moving target can be detected. Various methods can be used for target detection methods, such as commonly used frame difference method, background difference method, mixed Gauss...

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Abstract

The invention discloses a multi-camera intelligent control method and a device. The method comprises the following steps: detecting a moving target in a video signal; analyzing the size, position and moving parameters of the moving target in an image; controlling the orientation and the focal length of the camera according to the size, position and moving parameters of the moving target and leading the moving target to be displayed in a video picture of the camera in appropriate position and size so as to realize the tracking of the moving target; predicting the monitoring area to be entered of an adjacent camera by the moving target according to the position and moving direction of the moving target and the monitoring range of the adjacent camera, and controlling the position and focal length of the adjacent camera, so as to lead the viewing field of the adjacent camera to capture the moving target or wait the moving target for entering the viewing field. The invention can carry out full-range cross-camera automatic tracking to the moving target in the monitoring area covered by the multi-camera and can utilize the moving target information of various cameras comprehensively, thus carrying out linked control to the cameras of the whole system.

Description

technical field [0001] The invention belongs to the field of video monitoring, in particular to an intelligent camera control method and device for detecting and tracking moving objects in the monitoring area, which has multiple cameras, and the covered areas of the cameras do not necessarily overlap. Background technique [0002] With the continuous development of multimedia technology, video surveillance has been more and more widely used in fields such as safe operation and public security precautions. Many intelligent monitoring systems are needed in modern cities, such as key areas of banks, docks, airports, warehouse areas, and communication base stations. The traditional monitoring system does not have the function of automatically discovering abnormalities. It is necessary for the monitoring personnel on duty to watch the monitor closely to find abnormalities. However, since people cannot concentrate for a long time, it is impossible to observe many screens at the sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N5/232G06T7/20
Inventor 唐慧明金星韩草铭钱飞
Owner 华雁智科(杭州)信息技术有限公司
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