Slag point detection method and device for a metal material, equipment and storage medium

A point detection and material technology, which is applied in the field of metal slag content detection, can solve the problem that the detection technology cannot take into account the cost and detection accuracy, and achieve the effect of improving detection efficiency and detection accuracy, low cost, and improving detection accuracy

Active Publication Date: 2022-01-14
DONGFENG HONDA ENGINE
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Problems solved by technology

[0003] During the implementation process, the inventors found that there are at least the following problems in the traditional technology: the traditional detection technology cannot take into account the cost and detection accuracy

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  • Slag point detection method and device for a metal material, equipment and storage medium
  • Slag point detection method and device for a metal material, equipment and storage medium
  • Slag point detection method and device for a metal material, equipment and storage medium

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[0047] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0048] At present, there are two main methods for slag point detection: the first is to use the microscopic composition of the metallographic structure for detection, but it requires very high precision equipment and the cost of the device is high; the second is to use the machine Learning to perform feature extraction and then classify, but due to rough image processing in the early stage and poor machine learning models, the model has poor generalization ability or overfitting.

[0049] However, the method for detecting slag spots of metal materials provided by the prese...

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Abstract

The invention relates to a slag point detection method and device for a metal material, equipment and a storage medium. The slag point detection method for the metal material comprises the following steps: acquiring a cross-sectional image of the metal material to be detected; enabling the section image to comprise a backlight source image and an annular light source image, wherein the backlight source image is obtained by carrying out image acquisition on a to-be-detected metal material in a backlight source; obtaining the annular light source image by carrying out image acquisition on a to-be-detected metal material in the annular light source; carrying out binarization processing on the backlight source image by adopting an Otsu method to obtain a binarized image; determining the binary image as a mask image of the annular light source image, and performing image processing on the annular light source image according to the mask image to obtain a pure background image; and processing the pure background image by adopting a preset neural network model, and outputting a slag point detection result.

Description

technical field [0001] The present application relates to the technical field of detection of metal slag content, in particular to a method, device, equipment and storage medium for detection of slag spots of metal materials. Background technique [0002] In the quality inspection of metal raw materials, it is the general trend to use machine vision and image processing to replace manual counting of the number of slag spots on the cross-section. The effect of machine vision and image processing on the detection of slag spots on the cross-section of aluminum ingots largely depends on the rationality of the detection device and the accuracy and responsiveness of the detection method. [0003] During the implementation process, the inventor found at least the following problems in the traditional technology: the traditional detection technology cannot take into account both cost and detection accuracy. Contents of the invention [0004] Based on this, it is necessary to addr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T7/136G06T7/194G06T5/00G06N3/08G06N3/04
CPCG06T7/0002G06T7/194G06T7/136G06T5/002G06N3/08G06T2207/10004G06T2207/20032G06T2207/20081G06T2207/20084G06T2207/30136G06N3/045Y02P90/30
Inventor 陈石牛永松陈泽林王鹤李芳信张海涛邓智升韩睿琪
Owner DONGFENG HONDA ENGINE
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