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Polishing method and system based on metal ingot polishing information visual identification

A technology for visual recognition and metal ingots, which is applied in manufacturing computing systems, process efficiency improvement, image analysis, etc. It can solve the problems of complex background and a lot of image information, and achieve the effect of suppressing image noise, small area, and avoiding subjectivity.

Active Publication Date: 2021-06-04
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The difficulty of detection on the non-ferrous metal ingot line is that in the industrial operating environment, the background of burr detection is complex and the image information is various; at the same time, the ingot line is kept in motion, and the detected images are real-time

Method used

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  • Polishing method and system based on metal ingot polishing information visual identification
  • Polishing method and system based on metal ingot polishing information visual identification
  • Polishing method and system based on metal ingot polishing information visual identification

Examples

Experimental program
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Embodiment 1

[0039] like figure 1 As shown, this embodiment provides a grinding method based on visual recognition of metal ingot grinding information, including:

[0040] S1: Perform edge detection on the metal ingot image to obtain an edge detection image including the burr position;

[0041] S2: After polygon fitting is performed on the edge detection image, the corner points of the polygon and the endpoints of the burr position are extracted to obtain the grinding reference point of the metal ingot;

[0042] S3: Grinding the metal ingot according to the grinding reference point, detecting the image of the polished metal ingot to obtain the remaining burr information, optimizing the grinding reference point according to the remaining burr information, and completing the grinding of the metal ingot according to the optimized grinding reference point .

[0043] In this embodiment, the non-ferrous metal ingot line experimental platform 101 is designed according to the composition and str...

Embodiment 2

[0073] This embodiment provides a grinding system based on visual recognition of metal ingot grinding information, including:

[0074] An edge detection module configured to perform edge detection on the metal ingot image to obtain an edge detection image including burr positions;

[0075] The grinding reference point extraction module is configured to extract the corner points of the polygon and the endpoints of the burr positions after performing polygon fitting on the edge detection image, so as to obtain the grinding reference points of the metal ingot;

[0076] The grinding effect feedback module is configured to grind the metal ingot according to the grinding reference point, detect the image of the metal ingot after grinding to obtain the remaining burr information, optimize the grinding reference point according to the remaining burr information, and optimize the grinding reference point according to the optimized grinding reference point Finish grinding the metal ingo...

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Abstract

The invention discloses a polishing method and system based on metal ingot polishing information visual identification. The polishing method comprises the steps that edge detection is conducted on a metal ingot image to obtain an edge detection image containing burr positions; after polygon fitting is carried out on the edge detection image, angular points of a polygon and end points of burr positions are extracted, and polishing reference points of the metal ingot are obtained; and the metal ingot is polished according to the polishing reference points, the polished metal ingot image is detected to obtain residual burr information, the polishing reference points are optimized according to the residual burr information, and polishing of the metal ingot is completed according to the optimized polishing reference points. The polishing reference points of the metal ingot entering the visual detection range are continuously extracted in the running process of the non-ferrous metal ingot casting line, and real-time performance is achieved; the edge and burr information of the metal ingot placed in the metal ingot mold can be detected, and the accuracy is achieved.

Description

technical field [0001] The invention relates to the technical field of non-ferrous metal casting, in particular to a grinding method and system based on visual recognition of metal ingot grinding information. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Casting of non-ferrous metals is a key link in the production of non-ferrous metal smelting. During this process, liquid non-ferrous metals are poured into molds on the ingot casting line, and metal ingots of specific shapes are formed after slag removal and cooling. However, since the surface of the liquid non-ferrous metal is in contact with air, it is easy to form oxidized slag, and the scum that is not completely removed during slag removal will quickly solidify and form burrs, which causes many defects on the surface of the metal ingot, requiring secondary processing or even becomin...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/13G06T7/70G06T5/00
CPCG06T7/0004G06T7/13G06T7/70G06T2207/30136G06T2207/30116G06T5/70Y02P90/30
Inventor 孙宁邱泽昊张程琳桑文闯方勇纯
Owner NANKAI UNIV