Acta Stereologica

0351-580X

 

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Jean-Louis Chermant & Michel Coster

Granulometry and granulomorphy by image analysis

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Abstract

The principles of size distribution analysis on binary images are presented in the case of i) sets of individualized particles (pulverulent particles observed by projection) and ii) materials with interconnected or dispersed phases (observed on sections). A critical study on the choice of the method and of the size criterion to be used is then presented, taking into consideration the bias given by the frame of measurement.

An extension of the granulometric analysis to functions is presented. These new developments allow to investigate directly the texture of grey tone images (un—thresholded).

A granulomorphic method is also proposed to investigate the shape of particles as it is closely related to their size.

Several examples illustrate these different methods.

Keywords : mathematical morphology, size distribution, texture, granulomorphy, shape, grey tone functions, granulometric analysis

Pour citer cet article

Jean-Louis Chermant & Michel Coster, «Granulometry and granulomorphy by image analysis», Acta Stereologica [En ligne], Volume 10 (1991), Number 1 - Stermat '90 (part I) - June 1991, 7-23 URL : http://popups.ulg.ac.be/0351-580X/index.php?id=2049.

A propos de : Jean-Louis Chermant

LERMAT, URA CNRS n°1317, ISMRa-Université, 6 Boulevard du Maréchal Juin, 14050 Caen Cedex, France

A propos de : Michel Coster

LERMAT, URA CNRS n°1317, ISMRa-Université, 6 Boulevard du Maréchal Juin, 14050 Caen Cedex, France