Zinc spangle image recognition method, device and apparatus and storage medium
An image recognition and spangle technology, applied in the field of iron and steel metallurgy, can solve the problems of poor accuracy, poor quality improvement guidance, high labor cost, and achieve the effect of improving detection efficiency, increasing objectivity and accuracy
Inactive Publication Date: 2021-07-16
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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Problems solved by technology
However, at present, the characteristics of spangles of hot-dip galvanized products are generally judged manually. Due to the small and dense spangle images and the different technical experience of the staff, there are large differences in judgment results, poor accuracy, and low detection efficiency. , poor guidance for quality improvement, and high labor costs
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[0047] 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 making creative efforts belong to the protection scope of the present invention.
[0048] The invention provides a spangle image recognition method, such as figure 1 shown, including the following steps:
[0049] S101, collecting the original spangle image of the hot-dip galvanized sheet;
[0050] It should be noted that during the execution of step S101, the selection of the lighting system on the surface of the galvanized sheet can be analyzed, and the analysis of the lighting system to improve the image quality is the key to the success ...
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The invention discloses a spangle image recognition method, device and apparatus and a storage medium. The method comprises the steps of collecting an original spangle image of a hot-dip aluminum-zinc plate; preprocessing the original spangle image to obtain a preprocessed spangle contour image; extracting a spangle contour from the spangle contour image by a superpixel segmentation algorithm to acquire a spangle superpixel segmentation contour image; and carrying out characteristic quantitative analysis on the spangle superpixel segmentation contour image to obtain the size pixel area of the spangles, and counting the number of the spangles and the radius of a circumcircle. The spangle contour is extracted through image preprocessing and a superpixel segmentation algorithm to identify the number, area and other characteristics of spangles, the invention is simpler, more convenient, faster and more reliable than manual operation, the detection efficiency is improved, and the objectivity and accuracy of a detection result are improved.
Description
technical field [0001] The invention relates to the field of iron and steel metallurgy, in particular to a spangle image recognition method, device, equipment and storage medium. Background technique [0002] Hot-dip galvanized sheet is one of the varieties with higher added value in cold-rolled sheet products. It takes into account the advantages of hot-dip galvanizing and hot-dip aluminum, and has excellent performance characteristics such as corrosion resistance, appearance decoration, and high-temperature oxidation resistance. , It has been widely used in construction and automobile industries. [0003] In the production process, it is necessary to identify the size, number, area and other characteristics of hot-dip galvanized products to detect and improve the product quality, so as to avoid affecting the appearance of the plate surface and the service life of the product. However, at present, the characteristics of spangles of hot-dip galvanized products are generally...
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IPC IPC(8): G06T7/00G06T7/13G06T7/62G06T5/00
CPCG06T7/0004G06T7/13G06T7/62G06T2207/30136G06T5/92G06T5/70
Inventor 刘凯
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP