High-throughput feature extraction for measuring attributes of deforming open-cell foams
High-throughput feature extraction for measuring attributes of deforming open-cell foams
复制标题
用于测量变形开孔泡沫属性的高通量特征提取
DOI:
10.1109/tvcg.2019.2934620
复制
发表时间:
2020
影响因子:
5.2
通讯作者:
Pascucci, Valerio
中科院分区:
文献类型:
--
作者:
Petruzza, Steve;Gyulassy, Attila;Leventhal, Samuel;Baglino, John J.;Czabaj, Michael;Spear, Ashley D.;Pascucci, Valerio
Metallic open-cell foams are promising structural materials with applications in multifunctional systems such as biomedical implants, energy absorbers in impact, noise mitigation, and batteries. There is a high demand for means to understand and correlate the design space of material performance metrics to the material structure in terms of attributes such as density, ligament and node properties, void sizes, and alignments. Currently, X-ray Computed Tomography (CT) scans of these materials are segmented either manually or with skeletonization approaches that may not accurately model the variety of shapes present in nodes and ligaments, especially irregularities that arise from manufacturing, image artifacts, or deterioration due to compression. In this paper, we present a new workflow for analysis of open-cell foams that combines a new density measurement to identify nodal structures, and topological approaches to identify ligament structures between them. Additionally, we provide automated measurement of foam properties. We demonstrate stable extraction of features and time-tracking in an image sequence of a foam being compressed. Our approach allows researchers to study larger and more complex foams than could previously be segmented only manually, and enables the high-throughput analysis needed to predict future foam performance.
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