Automatic identification of microcracks observed on microscopic images of coarse-grained sandstone

0367783 - ÚGN 2012 RIV GB eng J - Journal Article
Obara, B. - Kožušníková, Alena - Ščučka, Jiří
Automatic identification of microcracks observed on microscopic images of coarse-grained sandstone.
International Journal of Rock Mechanics and Mining Sciences. Roč. 48, č. 4 (2011), s. 681-686. ISSN 1365-1609. E-ISSN 1873-4545
Institutional research plan: CEZ:AV0Z30860518
Keywords : image analysis * microcracks * optical fluorescence microscopy
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 1.272, year: 2011
http://www.sciencedirect.com/science/article/pii/S136516091100030X

The paper presents research and application of image processing and analysis methods for detection and quantification microcracks in test specimens of coarse grain sandstone. The proposed approach was applied for study of microfracturing in rocks that failed during laboratory press loading at triaxial state of stress. The microcracks were determined on thin sections saturated by epoxy with admixture of fluorescent dye. Accordingly, the proposed methods allow for fully automatic segmentation of transcrystalline and intercrystalline microcracks.
Permanent Link: http://hdl.handle.net/11104/0202336