A stable cardinality distance for topological classification
A stable cardinality distance for topological classification
复制标题
拓扑分类的稳定基数距离
DOI:
10.1007/s11634-019-00378-3
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发表时间:
2019
影响因子:
1.6
通讯作者:
Spannaus, Adam
中科院分区:
文献类型:
--
作者:
Maroulas, Vasileios;Micucci, Cassie Putman;Spannaus, Adam
This work incorporates topological features via persistence diagrams to classify point cloud data arising from materials science. Persistence diagrams are multisets summarizing the connectedness and holes of given data. A new distance on the space of persistence diagrams generates relevant input features for a classification algorithm for materials science data. This distance measures the similarity of persistence diagrams using the cost of matching points and a regularization term corresponding to cardinality differences between diagrams. Establishing stability properties of this distance provides theoretical justification for the use of the distance in comparisons of such diagrams. The classification scheme succeeds in determining the crystal structure of materials on noisy and sparse data retrieved from synthetic atom probe tomography experiments.
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