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基于压缩传感的焊管焊缝X射线图像处理 被引量:2

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摘要 将压缩传感的原理应用于石油焊管的X射线焊缝图像的缺陷检测。利用随机采样矩阵将待检测图像转化为数据量远小于原图像的向量,通过样本图像构成字典矩阵,将待检测图像描述为样本图像的线性组合,并根据所求取系数向量来判断待检测图像的类别。该方法无需对图像进行滤波和增强处理,识别效果好、处理方便,且具有较好的鲁棒性。通过对大量实际焊管焊缝X射线图像的识别试验证明了该方法的可行性和有效性。
出处 《焊接技术》 北大核心 2011年第9期4-8,共5页 Welding Technology
基金 陕西省自然科学基础研究计划项目(2010JQ8033) 陕西省教育厅专项科研计划项目(08JK411) 陕西省教育厅专项科研计划项目(09JK699)
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参考文献13

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