Indexed by:
Abstract:
为了实现对大型厚壁压力容器焊缝缺陷的准确识别,提高缺陷评定的准确性和检测效率,在基于标记的改进分水岭TOFD检测图像分割的基础上,结合典型缺陷图像的纹理特征,从图像空间域和频域特征,分别利用局部相位量化和局部二值模式获取缺陷区域的局部邻域特征参数,将二者特征参数进行归一化融合,再将融合特征向量用支持向量机进行分类识别.试验结果表明,检测图像4×4分块后提取的熔合特征识别率最优,分类识别正确率达到87.10%.
Keyword:
Reprint 's Address:
Email:
Version:
Source :
无损检测
ISSN: 1000-6656
CN: 31-1335/TG
Year: 2018
Issue: 6
Volume: 40
Page: 52-57
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: