Description of Ore Particles from X-Ray Microtomography (XMT) Images, Supported by Scanning Electron Microscope (SEM)-Based Image Analysis
Description of Ore Particles from X-Ray Microtomography (XMT) Images, Supported by Scanning Electron Microscope (SEM)-Based Image Analysis
复制标题
基于扫描电子显微镜 (SEM) 图像分析的 X 射线显微断层扫描 (XMT) 图像对矿石颗粒的描述
DOI:
10.1017/s1431927618015076
复制
发表时间:
2018
影响因子:
2.8
通讯作者:
Schmidt
中科院分区:
文献类型:
--
作者:
Leissner;Ditscherlein;Sedivy;Bachmann;Gutzmer;Peuker;Schmidt
In this paper, three-dimensional (3D) image data of ore particle systems is investigated. By combining X-ray microtomography with scanning electron microscope (SEM)-based image analysis, additional information about the mineralogical composition from certain planar sections can be gained. For the analysis of tomographic images of particle systems the extraction of single particles is essential. This is performed with a marker-based watershed algorithm and a post-processing step utilizing a neural network to reduce oversegmentation. The results are validated by comparing the 3D particle-wise segmentation empirically with 2D SEM images, which have been obtained with a different imaging process and segmentation algorithm. Finally, a stereological application is shown, in which planar SEM images are embedded into the tomographic 3D image. This allows the estimation of local X-ray attenuation coefficients, which are material-specific quantities, in the entire tomographic image.
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DOI:
10.1007/978-1-4471-6684-9
发表时间:
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期刊:
--
影响因子:
--
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DOI:
--
发表时间:
2008
期刊:
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