A SIMPLE METHODOLOGY TO SEGMENT X-RAY TOMOGRAPHIC IMAGES OF A MULTIPHASIC BUILDING STONE

Autor: Emmanuel Le Trong, Olivier Rozenbaum, Jean-Louis Rouet, Ary Bruand
Jazyk: angličtina
Rok vydání: 2011
Předmět:
Zdroj: Image Analysis and Stereology, Vol 27, Iss 3, Pp 175-182 (2011)
Druh dokumentu: article
ISSN: 1580-3139
1854-5165
DOI: 10.5566/ias.v27.p175-182
Popis: Assessment of the weathering of a particular limestone, the tuffeau, used in historical monuments requires an accurate description of its microstructure. An efficient tools to obtain such a description is X-ray microtomography. However the segmentation of the images of this multiphasic material is not trivial. As the identification of pertinent markers of the structural components to extract is difficult, a two steps filtering approach is chosen. Alternate sequential filters are shown to efficiently remove the noise but, as they destroy the structural components smaller than the structuring element used, they cannot be carried out far enough. Hence as a second step in the filtering process, a mosaic operator, relying on a pragmatic yet efficient marker determination, is implemented to simplify further the images.
Databáze: Directory of Open Access Journals