Acta Stereologica

0351-580X

 

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Abdelmajid Badri, Gérard Touchard, Bruce Velde, Aïcha Badri Sahel & Jacques Borzeix

Image processing software for fractal analysis of fractures in rocks

(Volume 13 (1994) — Number 1 - Proceedings of the sixth European congress for stereology - Part two - May 1994)
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Abstract

In order to examine a possible fractal organisation rock fracturation, a software of image analysis has been performed. In this paper, the method used, the different steps and possibilities of this software are explicated. The original image is digitized with a camera or a scanner, and transformed in binary image. Then for different rotation of this image around its center, the positions of the intersections with a set of parallel lines are computed and stored. For different interval values, the number of interval containing at least an intersection can then be obtained. As we have to make 10 rotation of the image from 0 to 90°. For each of them, a set of lines with another color is drawn on the image, and the intersection of these lines with the branches of fractures is stored. The distance between two lines, the minimum and the maximum of the interval of measure are optimized. Thus, it is possible to determine the fractal dimension by cantor dust method.

Keywords : cantor dust method, fractal analysis, image processing

To cite this article

Abdelmajid Badri, Gérard Touchard, Bruce Velde, Aïcha Badri Sahel & Jacques Borzeix, «Image processing software for fractal analysis of fractures in rocks», Acta Stereologica [En ligne], Volume 13 (1994), Number 1 - Proceedings of the sixth European congress for stereology - Part two - May 1994, 183-188 URL : https://popups.ulg.ac.be/0351-580x/index.php?id=4599.

About: Abdelmajid Badri

Laboratoire de Physique et Mécanique des Fluides - U.R.A. 191 du C.N.R.S. - 40 Avenue du Recteur Pineau - 86022 Poitiers Cedex France

About: Gérard Touchard

Laboratoire de Physique et Mécanique des Fluides - U.R.A. 191 du C.N.R.S. - 40 Avenue du Recteur Pineau - 86022 Poitiers Cedex France

About: Bruce Velde

Laboratoire de Géologie - E.N.S. - U.R.A. 1316 du C.N.R.S. - 24, rue Lhomont - 75005 Paris, France

About: Aïcha Badri Sahel

Laboratoire de Physique et Mécanique des Fluides - U.R.A. 191 du C.N.R.S. - 40 Avenue du Recteur Pineau - 86022 Poitiers Cedex France

About: Jacques Borzeix

Laboratoire d'Acquisition et de Traitement de Données et d'Images - J.E.270 D.S.4 du C.N.R.S. - Université Française du Pacifique - Papette, Tahiti