粗糙集理论的带钢表面缺陷图像的识别与分类

汤勃; 孔建益; 王兴东; 侯宇; 陈黎

doi:10.11834/jig.20110718

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粗糙集理论的带钢表面缺陷图像的识别与分类
Recognition and classification for steel strip surface defect images based on rough set theory
2011年16卷第7期页码：1213-1218
网络出版：2011-07-18，

纸质出版：2011
DOI： 10.11834/jig.20110718
稿件说明：

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汤勃, 孔建益, 王兴东, 侯宇, 陈黎. 粗糙集理论的带钢表面缺陷图像的识别与分类[J]. 中国图象图形学报, 2011,16(7):1213-1218. DOI： 10.11834/jig.20110718.

Recognition and classification for steel strip surface defect images based on rough set theory[J]. Journal of Image and Graphics, 2011, 16(7): 1213-1218. DOI： 10.11834/jig.20110718.

摘要

针对带钢表面的划伤、黑斑、翘皮、辊印、褶皱和压印6种典型缺陷，提取样本图像的灰度、纹理和几何形状特征等20维特征向量；给出粗糙集理论的关键技术，基于粗糙集理论构造带钢表面缺陷图像识别的决策表，对决策表进行属性约简，并直接从训练样本图像中导出决策规则；应用所获取的规则对带钢表面缺陷测试样本图像进行分类，并同BP算法进行对比，验证了基于粗糙集理论的分类识别算法的有效性。

Abstract

The 20dimensional feature vectors of intensity

texture and geometry characteristics for six kinds of steel strip surface typical defects images are extracted. The key technology of Rough Set theory is described. The decision table of the steel strip surface images recognition is created

the reduction for decision table is carried out

and the decision rules are obtained from the training sample images directly. The test samples of the steel surface defect images have been classified with application of decision rules

and then compare with the BP neural network algorithm. The recognition and classification of steel strip surface typical defects images based on rough set theory is effective.