Genetic algorithms for high-precision reconstructions of three-dimensional topographies using stereo fractographs

Kenjiro Komai; K. Minoshima; T. Suezaki

doi:10.1117/12.429626

13 June 2001 Genetic algorithms for high-precision reconstructions of three-dimensional topographies using stereo fractographs

Kenjiro Komai, K. Minoshima, T. Suezaki

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Proceedings Volume 4317, Second International Conference on Experimental Mechanics; (2001) https://doi.org/10.1117/12.429626
Event: Second International Conference on Experimental Mechanics, 2000, Singapore, Singapore

Abstract

A software is developed which enables reconstruction of the 3D shape of fracture surfaces without human assistance. It is based upon computer image processing and pattern recognition techniques by using a stereo-pair of scanning electron micrographs. The processing consists of two subprocesses: searching the matching points between two images and computation of heights using het relative shift of the matching points. By using the previously developed system, some mismatches were inevitable in the search process, in particular, for low-contrast SEM images such as striations, intergranular facets, and so on.

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Kenjiro Komai, K. Minoshima, and T. Suezaki "Genetic algorithms for high-precision reconstructions of three-dimensional topographies using stereo fractographs", Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); https://doi.org/10.1117/12.429626

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KEYWORDS

3D image processing

Image processing

Scanning electron microscopy

3D image reconstruction

Genetic algorithms

Reconstruction algorithms

Algorithm development

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