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- W2077620165 abstract "摘要: 研究了Gabor小波变换和核保局投影(Kernel locality preserving projections, KLPP)算法的原理, 分析了热轧钢板表面缺陷的特点, 提出了一种基于Gabor小波和KLPP算法的特征提取方法, 并应用于热轧钢板表面缺陷自动识别. 首先利用Gabor小波将图像分解到5个尺度8个方向的40个分量中, 接着对原始图像和各个分量的实部和虚部分别提取均值和方差, 得到一个162维的特征向量, 然后利用KLPP算法将该特征向量的维数降到21维, 最后利用多层感知器网络对样本进行分类识别. 本文提出的特征提取方法具有计算简单、可并行处理的特点, 对沿一定方向分布的边缘和纹理具有较高的区分能力. 利用从工业现场采集的缺陷图像对本文方法进行了实验, 识别率达到93.87%. 关键词: Gabor小波 / 核保局投影 / 表面检测 / 特征提取 / 降维" @default.
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- W2077620165 date "2010-04-20" @default.
- W2077620165 modified "2023-09-24" @default.
- W2077620165 title "Automatic Recognition Method of Surface Defects Based on Gabor Wavelet and Kernel Locality Preserving Projections" @default.
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- W2077620165 doi "https://doi.org/10.3724/sp.j.1004.2010.00438" @default.
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