Partial Differential Equations/Calculus of Variations
Image restoration and edge detection by topological asymptotic expansion
[Restauration d'images et détection de contours par l'asymptotique topologique]
Comptes Rendus. Mathématique, Tome 342 (2006) no. 5, pp. 313-318.

Une nouvelle méthode de restauration d'images avec détection de contours est proposée. Cette méthode est basée sur l'approche du gradient topologique. Des résultats expérimentaux obtenus sur des images bruitées illustrent les possibilités de cette approche prometteuse dans le domaine du traîtement d'images.

A new method for edge detection and image restoration is proposed. This method is based on topological gradient approach. Experimental results obtained on noisy images illustrate the capabilities of this promising method in image processing.

Reçu le :
Accepté le :
Publié le :
DOI : 10.1016/j.crma.2005.12.009
Belaid, Lamia Jaafar 1 ; Jaoua, Mohamed 1, 2 ; Masmoudi, Mohamed 3 ; Siala, Lassaad 1

1 LAMSIN-ENIT, École Nationale d'Ingénieurs de Tunis, B.P. 37, 1002 Le Belvedere, Tunis, Tunisia
2 Université de Nice, parc Valrose, 28, avenue Valrose, 06108 Nice cedex 2, France
3 UMR MIG, Université Paul-Sabatier, CNRS UMR 5640 MIP, 31062 Toulouse cedex 9, France
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Belaid, Lamia Jaafar; Jaoua, Mohamed; Masmoudi, Mohamed; Siala, Lassaad. Image restoration and edge detection by topological asymptotic expansion. Comptes Rendus. Mathématique, Tome 342 (2006) no. 5, pp. 313-318. doi : 10.1016/j.crma.2005.12.009. http://www.numdam.org/articles/10.1016/j.crma.2005.12.009/

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[3] Catté, F.; Coll, T.; Lions, P.L.; Morel, J.M. Image selective smoothing and edge detection by non linear diffusion, SIAM J. Numer. Anal., Volume 29 (1992), pp. 182-193

[4] Engl, H.W.; Groetsch, C.W. Inverse an Ill Posed Problems, Academic Press, New York, 1987

[5] Masmoudi, M. The topological asymptotic (Kawarada, H.; Périaux, J., eds.), Computational Methods for Control Applications, GAKUTO Intern. Ser., 2002

[6] Perona, P.; Malik, J. Scale space and edge detection using anisotropic diffusion, IEEE Trans. Pattern Analysis and Machine Intelligence, Volume 12 (1990), pp. 629-639

[7] Weikert, J. Anisotropic Diffusion in Image Processing, ECMI Series, Teubner, Stuttgart, Germany, 1998

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