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Edge detection for textile defects based on PCNN
Author(s): XU Yi-feng, ZHANG Rui-lin
Pages: 971-
973
Year: 2005
Issue:
4
Journal: JOURNAL OF COMPUTER APPLICATIONS
Keyword: 脉冲耦合神经网络; 织物疵点; 膨胀; CANNY算子; 边缘检测;
Abstract: 由于纱线的螺旋性、粗细不匀和织物的柔性形变,使得织物的纹理带有较大的不规则性.用基于特征或模型的分割方法识别织物纹理图像的疵点,效率较低,准确性较差.针对这个问题,提出了一种基于PCNN的算法,它利用织物表面疵点区域的灰度强度不同于织物表面图像的灰度强度,根据PCNN神经元是否点火,来获取织物疵点信息;然后将所提取的特征点按作用范围膨胀,并用CANNY算子分割出织物疵点,提取织物疵点边缘.实验证明这种方法能有效地获取织物疵点特征,并得到较为理想的边缘检测效果.
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