The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Mar. 05, 2025
Wuhan University of Science and Technology, Wuhan, CN;
Wuhan University of Science and Technology, Wuhan, CN;
Abstract
A machine vision-based crystallizer nozzle centering method includes: S, performing image acquisition on a tundish car lower nozzle and a crystallizer nozzle; S, performing an edge enhancement using guide image filtering; S, performing an edge extraction on a first image set using an ant algorithm, and obtaining a second image set; S, performing smoothing processing and a centerline extraction on the second image set using a morphological closing operation respectively, and obtaining a centerline equation; S, centering the crystallizer nozzle in a width direction according to the centerline equation, and obtaining a width centering result; S, installing two second image acquisition apparatuses symmetrically on a center extension line of the crystallizer nozzle, and obtaining a thickness centering result using the second image acquisition apparatuses; and S, adjusting a position of a tundish car according to the width centering result and the thickness centering result.