Automatic non-destructive testing method for internal wall of binocular vision pipeline

A non-destructive testing and binocular vision technology, applied in the field of computer vision, can solve problems such as discomfort detection

Inactive Publication Date: 2011-07-27
BEIHANG UNIV
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  • Application Information

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Problems solved by technology

This method is also used for the surface detection of fine pipes with a diameter of 9mm-12mm, and is not suitable for the detection of the inner wall of pipes in industry and life; this patent al

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  • Automatic non-destructive testing method for internal wall of binocular vision pipeline
  • Automatic non-destructive testing method for internal wall of binocular vision pipeline
  • Automatic non-destructive testing method for internal wall of binocular vision pipeline

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Embodiment Construction

[0073] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0074] See figure 1 , figure 2 ,image 3, Figure 4 , Figure 5 , Image 6 As shown, a binocular vision pipeline inner wall automatic non-destructive testing method is composed of a binocular CCD camera 1, a portable computer 2, and an acquisition power supply system 3: the binocular CCD camera is composed of two sets of independent CCD cameras 4, 5 and connected to Acquisition power supply system 3; power supply 6 and video acquisition card 7 are installed inside the acquisition power supply system 3; image processing software 8 is installed on the portable computer 2, and images are obtained through the video acquisition card 7.

[0075] The image processing software 8 is composed of a calibration module 9 , a real-time measurement module 10 and a data management module 11 . Image processing and control software are ins...

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Abstract

The invention provides an automatic non-destructive testing method for the internal wall of a binocular vision pipeline, comprising the following steps: step 1: calibrating a binocular CCD camera; step 2: arranging measurement parameters; step 3: measuring in real time; and step 4: managing data. The measuring method has the advantages that the internal wall of the pipeline is not damaged, the automatic degree is high, the using of the method is simple and flexile, the measuring precision is high, and a measuring device has light weight and small volume, and can be used conveniently.

Description

technical field [0001] The invention relates to an automatic non-destructive detection method for the inner wall of a pipeline with binocular vision. The automatic quality inspection of the inner wall of the pipeline is carried out by a binocular CCD camera, which realizes non-destructive, real-time and high-precision measurement of visible scars or defects on the inner wall of the pipeline without manual intervention. . It belongs to the field of computer vision technology. Background technique [0002] Non-destructive testing technology is a common technology to ensure product quality and safe operation of equipment, and has been widely used in various fields of modern industry. It is a comprehensive technology developed on the basis of current achievements in physics, electronics, computer technology, information processing technology, material science and other disciplines, and is one of the main technologies in the modern industrial quality assurance system. [0003] ...

Claims

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Application Information

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IPC IPC(8): F17D5/06
Inventor 张弘李璐贾瑞明燕桂芳李岳成李嘉锋
Owner BEIHANG UNIV
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