Acta Stereologica

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Eric Dinet & Bernard Laget

An adaptive discrete contour smoothing

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Abstract

This paper presents an original smoothing method for discrete contours containing different characteristics depending on the scale. The optimal scale is determined by a survey of the contours in terms of texture. An abstract can be then derived; it consists in the inflexion and dominant points of the discrete contour under study and in the directions of the tangents at these points. The smoothing computed starting from such abstract uses the theory of straight line envelopes. Neither threshold nor experimental parameter are required and the smoothing provides the underlying continuous feature of a discrete contour seen at a given scale.

Keywords : discrete contour, edge texture indicator, scale, smoothing, straight line envelope

Pour citer cet article

Eric Dinet & Bernard Laget, «An adaptive discrete contour smoothing», Acta Stereologica [En ligne], Volume 13 (1994), Number 2 - Proceedings of the sixth European congress for stereology - Part three - June 1994, 491-498 URL : https://popups.ulg.ac.be/0351-580x/index.php?id=4377.

A propos de : Eric Dinet

Laboratoire Traitement du Signal et Instrumentation - URA 842, 23, rue du Docteur Paul Michelon 42023 Saint-Etienne Cedex 2, France

A propos de : Bernard Laget

Laboratoire Traitement du Signal et Instrumentation - URA 842, 23, rue du Docteur Paul Michelon 42023 Saint-Etienne Cedex 2, France