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Calibration method and device, calibration equipment and storage medium

A calibration method and technology of calibration parts, applied in the field of calibration, can solve problems affecting detection accuracy, etc.

Active Publication Date: 2021-07-20
SKYVERSE TECH CO LTD
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  • Claims
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Problems solved by technology

[0002] At present, detection equipment generally requires multiple sensors to be used together in order to accurately detect the parameters of the workpiece. Due to reasons such as mechanical processing technology and installation errors, the relative positional relationship between different sensors may deviate from the preset installation position. If Still according to the preset installation position as the positional relationship between the two, it will affect the accuracy of the detection, and there is an urgent need for a solution that can accurately calibrate the positional relationship between different sensors

Method used

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  • Calibration method and device, calibration equipment and storage medium
  • Calibration method and device, calibration equipment and storage medium
  • Calibration method and device, calibration equipment and storage medium

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Embodiment Construction

[0021] Embodiments of the present application will be further described below in conjunction with the accompanying drawings. The same or similar reference numerals in the drawings represent the same or similar elements or elements having the same or similar functions throughout. In addition, the embodiments of the present application described below in conjunction with the accompanying drawings are exemplary, and are only used to explain the embodiments of the present application, and should not be construed as limiting the present application.

[0022] see Figure 1 to Figure 3 , the calibration method of the embodiment of the present application includes the following steps:

[0023] 011: Take a first calibration image of the calibration piece 200 by the first sensor 20, the calibration piece 200 includes first characteristic structures 210 distributed in a first waveform along the first direction;

[0024] 012: According to the first waveform and the pixel value distribut...

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Abstract

The calibration method of the present application includes taking a first calibration image of the calibration piece, the calibration piece includes a first characteristic structure distributed in a first waveform along the first direction; according to the first waveform, the first characteristic structure along the first direction Pixel value distribution information, obtain the first coordinate of the first feature point in the first coordinate system; collect the acquisition information of the first characteristic structure along the first direction through the second sensor; information, obtain the second coordinates of the second feature point in the second coordinate system, the physical positions of the first feature point and the second feature point along the first direction are the same; and calibrate the first sensor according to the first coordinate and the second coordinate The position conversion relationship with the second sensor. The calibration method, calibration device, calibration equipment and storage medium of the present application can accurately identify the coordinates of the characteristic points of the characteristic structure with waveform characteristics under different sensors, so as to realize the calibration between different sensors.

Description

technical field [0001] The present application relates to the technical field of calibration, and in particular to a calibration method, a calibration device, a calibration device and a non-volatile computer-readable storage medium. Background technique [0002] At present, detection equipment generally requires multiple sensors to be used together in order to accurately detect the parameters of the workpiece. Due to reasons such as mechanical processing technology and installation errors, the relative positional relationship between different sensors may deviate from the preset installation position. If Still using the preset installation position as the positional relationship between the two will affect the accuracy of detection, and a solution that can accurately calibrate the positional relationship between different sensors is urgently needed. Contents of the invention [0003] The present application provides a calibration method, a calibration device, a calibration...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/80
CPCG06T7/80
Inventor 陈鲁李青格乐张军吕肃张嵩
Owner SKYVERSE TECH CO LTD
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