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一种改进Canny算子在织物疵点检测中的应用

Detection of Fabric Defects Based on an Improved Canny Operator
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摘要 针对经典Canny算子高、低阈值的选择存在被动性,实时性差,不适于在线检测的问题,给出了一种改进的Canny算子。该方法应用最大类间方差法自适应地确定Canny算子的高、低阈值,以提高Canny算子边缘检测的实时性和准确度。实验结果表明,这种方法不仅改善了Canny算子的实时性,而且具有更好的抗噪声能力和检测准确度,提高了织物疵点在线检测的实用效果。 Being aimed at solving the classical Canny Operator's problems that it is passive to choose highthreshold low-threshold and its bad real-time capability makes it not be suitable for on-line monitoring,this paper presents an improved Canny Operator.In order to improve the real-time level and accuracy of edge detection based on Canny Operator,the maximal variance between-class has been used to determine Canny Operator's double threshold adaptively.Experimental results have shown that the method not only improves Canny Operator's real-time performance,but also has better anti-noise capability detect accuracy,so it improves the practical function of on-line detecting fabric defect.
出处 《青岛大学学报(自然科学版)》 CAS 2016年第1期75-79,共5页 Journal of Qingdao University(Natural Science Edition)
基金 青岛市科技局基础研究项目(批准号:12-1-4-2-(9)-jch)资助
关键词 织物疵点检测 CANNY算子 最大类间方差 fabric defect detection Canny Operator maximal variance between-class
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