Classification and identification method and device for magnetic pulse crimping parts and electronic equipment
A technology of classification and recognition, crimping parts, applied in neural learning methods, character and pattern recognition, image analysis and other directions, can solve the problem of low accuracy of magnetic pulse crimping parts quality detection, and achieve the effect of high-accuracy classification and recognition
Pending Publication Date: 2022-03-15
HUNAN UNIV
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Problems solved by technology
[0004] The invention provides a method, device and electronic equipment for classifying and identifying magnetic pulse crimping parts, so as to solve the problem that the quality detection accuracy of the existing magnetic pulse crimping parts is not high
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[0024] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0025] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in the embodiments of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited...
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The invention provides a magnetic pulse crimping part classification and identification method and device and electronic equipment. The method comprises the following steps: acquiring an appearance feature image of a magnetic pulse crimping part by adopting structured light; carrying out image processing on the appearance feature image, and obtaining a central point position of a bright band in each column in the appearance feature image and a horizontal line of the outer contour of the magnetic pulse crimping part parallel to the axis; obtaining a vertical distance from each center point in the bright zone to the horizontal line, and obtaining a depth map of the appearance characteristics of the magnetic pulse crimping part according to the vertical distance; and performing classification according to the depth map by using the trained ResNet network, and outputting a classification result. According to the invention, high-accuracy classification and identification can be carried out on the three-dimensional shape features.
Description
technical field [0001] The invention belongs to the technical field of quality inspection, and in particular relates to a method, device and electronic equipment for classifying and identifying magnetic pulse crimping parts. Background technique [0002] At present, there is a lack of effective non-destructive testing methods for magnetic pulse crimping parts in the industry. The original manual observation method is still used on the production line to determine whether the workpiece is qualified. The existing other types of non-magnetic pulse crimping parts testing methods are mainly divided into X-ray Detection method, infrared temperature measurement method and ultrasonic detection method. The X-ray detection method identifies whether there is a defect by distinguishing the degree of penetration of X-rays to different parts, and the penetration ability of the rays to the defect is lower. The infrared temperature measurement method is to determine whether a defect exists...
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Login to View More IPC IPC(8): G06T7/00G06T5/00G06V10/764G06V10/82G06K9/62G06N3/04G06N3/08
CPCG06T7/0004G06N3/08G06T2207/20032G06T2207/20081G06T2207/20084G06N3/045G06F18/241G06T5/70
Inventor 崔俊佳赖铭李光耀蒋浩
Owner HUNAN UNIV