Method and device for realizing monitored video display

A surveillance video and surveillance camera technology, applied in the field of image processing, can solve problems such as low retrieval efficiency, and achieve the effect of improving efficiency and space perception ability.

Inactive Publication Date: 2017-09-22
北斗智图科技(北京)有限公司
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  • Application Information

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Problems solved by technology

[0004] In view of this, the present application provides a method and device for displaying surveillance video to solve the technical problem in

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  • Method and device for realizing monitored video display
  • Method and device for realizing monitored video display
  • Method and device for realizing monitored video display

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Embodiment Construction

[0057] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0058] With the development of geographic information system (Geographic Information System, GIS), computer technology, virtual reality, augmented reality, positioning and navigation technology, the traditional monitoring video wall based on two-dimensional map label positioning and massive non-spatial information has a great impact on monitoring video and / or the display form of the screen has been difficult to meet the demand. On the one hand, using two-dimensional map tags to mark the surveillance video and / or screen has inherent deficiencies in marking the height of the floor, finding and positioning objects, etc., and it is difficult to accurately grasp the effective tracking of pos...

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Abstract

The invention discloses a method and a device for realizing monitored video display, so as to realize monitored video display based on positioning and tracking. The method comprises steps: a three-dimensional model of a building is acquired, and according to the actual size, the geographic coordinates and the azimuth information of the building, the three-dimensional model of the building is mapped to a three-dimensional geographic coordinate system; the positioning coordinates of a positioned object are acquired; the positioning coordinates of the positioned object are converted to three-dimensional geographic coordinates in the three-dimensional geographic coordinate system as three-dimensional geographic coordinates of the positioned object; the position coordinates of a monitoring and photographing device in the building are converted to three-dimensional geographic coordinates in the three-dimensional geographic coordinate system as the three-dimensional geographic coordinates of the monitoring and photographing device; and according to the three-dimensional geographic coordinates of the positioned object and the three-dimensional geographic coordinates of the monitoring and photographing device, a monitoring and photographing device with a distance with the positioned object in a preset range is determined as a called monitoring and photographing device, and a monitored video and/or an image of each called monitoring and photographing device are/is acquired to be displayed.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to a method and device for realizing surveillance video display. Background technique [0002] Video surveillance is an important part of the security system. The traditional surveillance system includes front-end cameras, transmission cables, and video surveillance platforms. Cameras can be divided into network digital cameras and analog cameras, which can be used as front-end video image signal collection. Video surveillance system is a comprehensive system with strong preventive ability. Video surveillance is widely used in many occasions because of its intuition, accuracy, timeliness and rich information content. In recent years, with the rapid development of computer, network, image processing and transmission technology, video surveillance technology has also made great progress. [0003] In the prior art, the surveillance videos and / or images collecte...

Claims

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Application Information

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IPC IPC(8): H04N7/18G06T17/05G01S11/06
CPCG01S11/06G06T17/05H04N7/181
Inventor 杨林平
Owner 北斗智图科技(北京)有限公司
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