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Calibration auxiliary device, calibration system and calibration method

A technology of auxiliary device and calibration plate, which is applied to measurement devices, optical devices, image analysis, etc., can solve the problem of inconsistent calibration accuracy between the thickness of the calibration plate and the product to be calibrated, so as to reduce the production cost, reduce the processing difficulty, and reduce the production cost effect

Active Publication Date: 2020-11-13
HANGZHOU LIPO SCI & TECH
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  • Abstract
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Problems solved by technology

[0004] The invention aims to solve the problem of calibration accuracy caused by the inconsistent thickness of the calibration plate and the product to be calibrated in the prior art, and provides a new calibration auxiliary device, calibration system and calibration method

Method used

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  • Calibration auxiliary device, calibration system and calibration method
  • Calibration auxiliary device, calibration system and calibration method
  • Calibration auxiliary device, calibration system and calibration method

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Embodiment Construction

[0026] Hereinafter, the present invention will be further described in detail in connection with the drawings through specific embodiments. It should be noted here that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation to the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0027] See figure 1 , The figure shows a calibration auxiliary device, used with machine vision cameras to calibrate the calibrated product. The product to be calibrated may be a panel or a panel-like body, such as a solar panel.

[0028] The calibration auxiliary device includes a calibration plate body 1. The calibration board body 1 has a calibration board top surface 10 and a calibration board bottom surface opposite to the calibration board top surface 10. The top surf...

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Abstract

The invention discloses a calibration auxiliary device, a calibration system and a calibration method. The calibration plate comprises a calibration plate body, wherein the calibration plate body is provided with a calibration plate top surface; calibration plate feature points are formed on the top surface of the calibration plate; a calibration plate groove with an upward opening is also formedin the top surface of the calibration plate; the calibration plate groove is used for accommodating a calibrated product, and the depth of the calibration plate groove is the same as the thickness ofthe calibrated product, so that when the calibrated product is placed in the calibration plate groove, the top surface of the calibrated product, the top surface of the calibration plate and the characteristic points of the calibration plate are positioned on the same plane. The method has the beneficial effects that the calibration precision is greatly improved, and the calibrated image can meetthe requirement of precise image measurement.

Description

Technical field [0001] The invention relates to the field of machine vision calibration, in particular, a calibration auxiliary device, a calibration system and a calibration method. Background technique [0002] In the field of machine vision calibration, the calibration method is basically to first calibrate the calibration board (such as the "robot vision system calibration board" announced by Chinese utility model patent CN202622812U) through the machine vision camera to determine the calibration coordinate system of the machine vision camera. Then move the calibration board out, move into the calibrated product, and calibrate the calibrated product under the aforementioned calibration coordinate system through the machine vision camera. In actual operations, the thickness of the calibration board and the thickness of the product to be calibrated are often different, and the accuracy of the aforementioned calibration coordinate system is reduced, which is not conducive to pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/80G01B11/00
CPCG01B11/00G06T7/80
Inventor 金秉文
Owner HANGZHOU LIPO SCI & TECH
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