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A Crack Measuring Endoscope

An endoscope, crack technology, applied in measurement devices, optical testing flaws/defects, image enhancement, etc., can solve the problems of inability to measure the length and width of cracks, low illumination, etc.

Active Publication Date: 2022-06-24
湖南万航科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the actual application scene of industrial inspection, the illumination in the scene is low, it is difficult to observe whether there is a crack with the naked eye, and it is impossible to measure the length and width of the crack

Method used

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  • A Crack Measuring Endoscope
  • A Crack Measuring Endoscope
  • A Crack Measuring Endoscope

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Embodiment Construction

[0122] It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0123] S1: Use the camera of the endoscope to detect the measured object, and use the high-definition image sensing technology to transmit the detected image of the measured object to the display screen and image processing equipment.

[0124] In the step S1, the camera of the endoscope is used to detect the measured object, including:

[0125] The endoscope control device in the endoscope detection system is used to control and select the photo-taking or video-recording function of the endoscope, and control the light intensity of the endoscope camera to obtain a static image or dynamic video of the measured object. The diameter of the probe is Φ8mm, the pixel is 1 million, the depth of field is 8-80mm, and the visual direction is direct view; in a specific embodiment of the present invention, if a static image...

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Abstract

The invention relates to the technical field of crack measurement, and discloses a crack measurement endoscope. The endoscope includes a camera, an endoscope detection system and a host computer. The crack measurement process of the endoscope is as follows: using the endoscope The camera detects the object under test, and uses high-definition image sensing technology to transmit the detected image of the object under test to the display screen and image processing equipment; performs image enhancement processing on the image of the object under test based on the gamma transformation method; uses the corrosion expansion method Process the enhanced image; use the image pyramid-based crack detection model to detect cracks in the image; measure the crack length and width of the marked cracks, and mark the measurement results above the corresponding cracks in the displayed image. The process of the present invention enhances the detection image of the endoscope, thereby using the crack detection model to realize real-time crack detection and measurement of static images and dynamic videos in a low-light scene.

Description

technical field [0001] The present invention relates to the technical field of crack measurement, in particular to a crack measurement endoscope. Background technique [0002] Industrial endoscopes are mainly used in automobiles, aero-engines, pipelines, mechanical parts, etc., which can realize non-destructive testing without disassembly or destruction of assembly and equipment shutdown, and are widely used in aviation, automobiles, ships, electrical, chemical , electricity, gas, atomic energy, civil construction and other modern core industries. However, in the actual application scene of industrial inspection, the illumination in the scene is low, it is difficult to observe whether there is a crack with the naked eye, and it is even impossible to measure the length and width of the crack. In response to this problem, this patent proposes an endoscope for crack measurement. SUMMARY OF THE INVENTION [0003] The present invention provides a crack measurement endoscope, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/88G06T7/00G06T5/00
CPCG01N21/8851G06T7/0004G01N2021/8874G01N2021/8887G06T2207/10016G06T2207/20036G06T2207/30108G06T2207/20016G06T5/00
Inventor 黄涛钟鸣杨伟杰梁勇许赞康颖余文桢
Owner 湖南万航科技有限公司
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