Two-dimensional bar code design method for steel number identification

Abstract

The invention discloses a two-dimensional bar code design method for steel number identification, and the method comprises the steps: taking a contour rectangular frame MNPQ as a boundary of a two-dimensional bar code, and designing a triangular coating block at an M point at the left upper corner of the contour rectangular frame MNPQ; the method comprises the following steps of: taking numbers and English characters as characterization characters in a two-dimensional bar code based on an actual field production condition; adding transverse lines and vertical lines in the characterization characters; wherein the M end is defined as the upper end, and the N end is defined as the lower end; by designing the number information sprayed and pasted on the surface of the steel body, the recognition rate of steel number identification is increased, automatic recognition in the label verification process is achieved, and meanwhile automatic spraying and manual drawing are facilitated.

Description

technical field [0001] The invention relates to the technical field of two-dimensional barcode design, in particular to a two-dimensional barcode design method used for steel serial number identification. Background technique [0002] In the production process of the metallurgical industry, in order to realize the closed-loop integrated information link of supply, production and sales, it is necessary to number the steel products (including intermediate products and final export products) and enter them into the information system. In the existing coding and marking process, most of them adopt the method of spraying or labeling to complete the additional numbering and marking on the finished steel product entity. The spraying method uses special paint to directly spray the steel material number combined with Arabic numerals and English characters. The labeling method is mainly to paste or weld paper or aluminum foil labels printed by special mechanical equipment. The labels...

AI Technical Summary

Problems solved by technology

Under the existing conditions, the sprayed numbers have the problem of mottled and peeling handwriting caused by iron oxide scale. Even if manual hand-painting is used to remedy the handwritten character recognition, the accuracy of OCR recognition in the standard laboratory environment cannot be achieved.

For the identification of OEM, limited by the size of the OEM, for the recognition of the character information and QR code on the OEM, conventional cameras cannot meet the accurate identification requirements in the installation environment of the production site

If the solution of directly spraying the QR code is adopted, it is limited by the capacity of the existing spraying equipment and the oxide skin on the steel surface, and clear automatic spraying cannot be achieved

At the same time, for the traditional two-dimensional code, it is impossible to manually draw and interpret the meaning to verify

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