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利用纤维红外吸收特性的皮棉杂质检测新方法
引用本文:郏东耀,丁天怀.利用纤维红外吸收特性的皮棉杂质检测新方法[J].红外与毫米波学报,2005,24(2):147-150.
作者姓名:郏东耀  丁天怀
作者单位:1. 清华大学,深圳研究生院,广东,深圳,510000
2. 清华大学,精密测试技术及仪器国家重点实验室,北京,100084
摘    要:为有效检测出与棉纤维形态、颜色极其相似的异性纤维杂质,根据异性纤维与棉纤维近红外吸收特性的差别。提出近红外光谱成像方法检测皮棉异性纤维杂质.该方法分析近红外波段中异性纤维与棉纤维吸收特性差异随波长变化规律,确定了区分棉纤维与多种异性纤维的最佳波段的范围,建立红外光谱成像系统,将异性纤维近红外吸收特性转化为近红外图像中异性纤维图像特征,利用自适应图像增强和二值化图像处理,从皮棉背景中提取异性纤维.实验结果表明,该方法获取的异性纤维图像特征明显,检测结果与实际相符,此方法可有效识别皮棉中异性纤维杂质.

关 键 词:红外吸收特性  皮棉  杂质检测  异性纤维  图像特征  近红外波段  近红外光谱  近红外图像  近红外吸收  棉纤维  纤维形态  变化规律  成像方法  成像系统  特性转化  图像处理  图像增强  检测结果  二值化  自适应
文章编号:1001-9014(2005)02-0147-04
收稿时间:2004/3/1
修稿时间:2004年3月1日

NOVEL METHOD OF DETECTING FOREIGN FIBERS IN LINT BY FIBER'S INFRARED ABSORPTION CHARACTERISTIC
JIA Dong-Yao,DING Tian-Huai.NOVEL METHOD OF DETECTING FOREIGN FIBERS IN LINT BY FIBER''S INFRARED ABSORPTION CHARACTERISTIC[J].Journal of Infrared and Millimeter Waves,2005,24(2):147-150.
Authors:JIA Dong-Yao  DING Tian-Huai
Abstract:For effective detection of foreign fibers which have almost the same shape and color as the cotton fibers, an infrared spectral imaging method based on the absorption characteristic discrimination between cotton fibers and foreign fibers was proposed. According to the method, the relation between the absorption characteristic discrimination and the wavelength in the region of near infrared was analyzed, and the optimal band for discriminating several types of foreign fibers from cotton fibers was determined. The absorption characteristic of foreign fibers was transformed into the image feature in the infrared spectral imaging system. Furthermore, the foreign fibers were extracted form the background of lint by using adaptive image enhancement and binary image processing. The experimental result indicates that the image features of foreign fibers are obvious. And it provides an effective method to detect foreign fibers in lint.
Keywords:foreign fibers  near infrared band  absorption characteristic  imaging method  
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