HAL : hal-00211776, version 1

DOI : 10.1016/j.imavis.2004.06.016

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Image and Vision Computing 23, 2 (2005) 259-269

Removal and contraction operations to define combinatorial pyramids: application to the design of a spatial modeler

Guillaume Damiand (  Auteur correspondant ) 1, Martine Dexet, Pascal Lienhardt, Eric Andres 2

(02/2005)

Removal and contraction are basic operations for several methods conceived in order to handle irregular image pyramids, for multi-level image analysis for instance. We give the definitions of removal and contraction operations in the generalized maps framework. We propose a first experimentation of irregular pyramid as a basis for a discrete geometrical modeler that can handle both discrete and continuous representations of geometrical objects. This modeler is based on a pyramidal kernel with four coexisting levels between the discrete and the Euclidean representations. We describe how this pyramid can be constructed and updated.

1 :	SIGNAL-IMAGE-COMMUNICATION (SIC)
	CNRS : FRE2731 – Université de Poitiers
2 :	Signal, Image, Communications (SIC)
	Université de Poitiers

Domaine

:

Informatique/Mathématique discrète Informatique/Traitement des images

Mots Clés : removal – contraction – irregular pyramids – n-G-map – modeler – discrete reconstruction

hal-00211776, version 1

http://hal.archives-ouvertes.fr/hal-00211776

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Contributeur : Guillaume Damiand <>

Soumis le : Lundi 21 Janvier 2008, 22:08:08

Dernière modification le : Mardi 22 Janvier 2008, 17:32:55