A method and device for detecting the integrity of the edge contour of a component

A technology of integrity detection and edge contour, which is applied in the computer field and can solve problems such as inability to detect edge contour integrity

Active Publication Date: 2020-11-24
GUANGZHOU COLLEGE OF SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, neither of the above two methods can detect the integrity of the edge contour of the proportionally scaled parts

Method used

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  • A method and device for detecting the integrity of the edge contour of a component
  • A method and device for detecting the integrity of the edge contour of a component
  • A method and device for detecting the integrity of the edge contour of a component

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] see figure 1 , which is a schematic flow chart of a method for detecting the integrity of an edge contour of a component provided by an embodiment of the present invention. An embodiment of the present invention provides a method for detecting the integrity of the edge contour of a component, including steps:

[0052] S1. Obtain the basic image of the edge profile of the component to be tested;

[0053] S2. Extracting several edge points from the basic edg...

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Abstract

The invention discloses a method for detecting the edge contour integrity of a component, which comprises the following steps: acquiring the basic image of the edge contour of the component to be tested; extracting a plurality of edge points from the edge contour basic image; fitting a standard contour according to a plurality of said edge points; expanding the standard contour into an edge region, and obtaining an inner ring contour of the edge region; judging whether the inner ring contour is consistent with the standard contour; as that contour of the inn ring is completely consistent withthe standard contour, the edge contour of the part to be tested is judged to be complete. The invention can realize the detection of the integrity of the edge contour of the parts after being scaled in the same proportion. At that same time, the invention also provides a component edge contour integrity detection device.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and device for detecting the integrity of edge contours of parts. Background technique [0002] In the quality inspection of engineering parts, automatic detection methods are often used to detect defects on parts, such as defect detection on the edge of gears, etc., which can greatly save the manpower input of manual inspection and solve the problem of low detection efficiency. In the prior art, two methods of area comparison and threshold area comparison are commonly used. The area comparison method is to compare the contour area of ​​the parts to be tested with the size of the standard contour area, and judge whether the parts to be tested have defects according to the comparison results; the threshold area The comparison method is to overlap and compare the contours of the parts to be tested with the standard contours to find out the different areas, so as to judge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/13
CPCG06T7/0004G06T7/13G06T2207/10004G06T2207/30164
Inventor 翟伟良姜立标马乐陈锋楠黄茂发徐文浩
Owner GUANGZHOU COLLEGE OF SOUTH CHINA UNIV OF TECH
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