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Coordinate calibration system, method, device and storage medium

A calibration system and coordinate technology, applied in the field of coordinate calibration, can solve problems such as inconvenient use, unguaranteed accuracy of calibration calibration, cumbersome coordinate calibration operation process, etc.

Active Publication Date: 2021-02-26
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a coordinate calibration system, method, device and storage medium, which are used to solve the cumbersome operation process of coordinate calibration in the prior art, the calibration takes a long time, is inconvenient to use, and the calibration process is greatly affected by the user's subjective influence. The accuracy of the calibration calibration can not be guaranteed

Method used

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  • Coordinate calibration system, method, device and storage medium
  • Coordinate calibration system, method, device and storage medium
  • Coordinate calibration system, method, device and storage medium

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Embodiment 1

[0060]figure 2 This is a schematic structural diagram of a coordinate calibration system provided by an embodiment of the present invention. The system includes a first camera 11 and a positioning device 12, and the system further includes: a second camera 13 and a control device 14; wherein, the positioning device 12 and the positioning device 12 The second camera 13 is fixedly connected, and the second camera 13 pre-calibrates the characteristic area of ​​the measurement space of the positioning device 12 on its visual image;

[0061]The first camera 11 is used to send the collected first image to the control device 14; the second camera 13 is used to send the collected second image to the control device 14;

[0062]The control device 14 is used to determine the target characteristic area in the first image corresponding to the characteristic area in the second image; determine the first image and the target characteristic area according to the coordinate information of the characterist...

Embodiment 2

[0073]On the basis of the above-mentioned embodiment, in the embodiment of the present invention, the control device 14 is also used to configure the coordinate corresponding parameters to the first camera 11; the first camera 11 is used to receive The coordinate information of the positioning object sent by the positioning device determines the target coordinate information of the positioning object according to the coordinate corresponding parameter; or

[0074]The control device 14 is also used to configure the coordinate corresponding parameters into the positioning device 12; the positioning device 12 is used to determine the position of the positioning object according to the acquired coordinate information of the positioning object and the coordinate corresponding parameters Target coordinate information, and send the target coordinate information to the first camera 14.

[0075]In the embodiment of the present invention, in order to make the system structure simple, the control de...

Embodiment 3

[0078]Some positioning equipment 12 detects the angle information of the positioning object. For this positioning equipment, in order to achieve coordinate calibration, on the basis of the above-mentioned embodiments, in the embodiment of the present invention, the positioning equipment 12 is also used Sending the angle information of the positioning object to the control device 14;

[0079]The control device 14 is configured to determine the coordinate information of the positioning object according to the maximum angle of view of the second camera 13, the boundary pixel point coordinates of the second image, and the angle information of the positioning object.

[0080]If the positioning object detected by the positioning device 12 is represented by spatial three-dimensional angle coordinates, that is, (a, b) plane coordinate information becomes (α, β) angle information, where α is a horizontal angle and β is a vertical angle. In this case, it is only necessary to correspondingly convert...

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Abstract

The invention discloses a coordinate calibration system, method, device and storage medium, including a first camera, a positioning device, a second camera and a control device; the first camera is used to send the collected first image to the control device; the second camera Used to send the collected second image to the control device; the control device is used to determine the target feature area in the first image corresponding to the feature area in the second image; according to the coordinate information of the feature area and the coordinate information of the target feature area , determine the coordinate corresponding parameters of the first image and the second image; receive the coordinate information of the positioning object sent by the positioning device, and determine the target coordinate information of the positioning object in the first image according to the coordinate corresponding parameter. Since in the embodiment of the present invention, there is no need for multiple persons to hold the simulated target to move continuously, the operation process is simple, the time consumption is small, and it is not affected by the subjectivity of the user, and the calibration accuracy is higher.

Description

Technical field[0001]The present invention relates to the technical field of coordinate calibration, in particular to a coordinate calibration system, method, device and storage medium.Background technique[0002]In security applications, positioning equipment, such as radar, sonar, etc., is often used. These positioning devices use non-video methods to locate some characteristic targets. For example, radar is used to locate moving objects, and sonar is used to locate car horns. However, when these positioning devices are used in the actual system, they are usually not used alone, but asfigure 1 As shown, it is used together with another independent camera. After the positioning device locates the characteristic target, the target coordinates are transferred to the camera, and the camera performs operations such as capturing and marking.figure 1 The center left includes camera 01 and sonar positioning device 02;figure 1 The center right includes camera 01 and radar positioning device ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/80
CPCG06T7/80
Inventor 舒金表邓志吉刘明
Owner ZHEJIANG DAHUA TECH CO LTD
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