Reflexive Symmetry Detection in Single Image

Zhongwei Tang 1 Pascal Monasse 2, 3, 4, * Jean-Michel Morel 1
* Auteur correspondant
1 CMLA - Centre de Mathématiques et de Leurs Applications
2 IMAGINE [Marne-la-Vallée]
CSTB - Centre Scientifique et Technique du Bâtiment, LIGM - Laboratoire d'Informatique Gaspard-Monge, ENPC - École des Ponts ParisTech
3 LIGM - Laboratoire d'Informatique Gaspard-Monge
4 ENPC - École des Ponts ParisTech
Abstract : Reflective symmetry can be used as a strong prior for many computer vision tasks. We interpret the planar reflective symmetry detection by using the property of an involution, which implies that two pairs of matched points are enough to define a planar reflective symmetry observed from a non-frontal viewpoint. This makes the reflective symmetry estimation as efficient as the classical homography estimation in binocular stereovision. This simple reflective symmetry computation can be plugged into any multiple model estimation to detect multiple symmetries at different scales and locations in images. The experimental results show that the proposed method is able to detect single and multiple reflective symmetries both in frontal and non fronto-parallel viewpoints.
Keywords : reflective symmetry perspective distortion involution multiple model estimation mul- tiple model estimation
Type de document :
Communication dans un congrès
J.-D. Boissonnat et al. Curves and Surfaces, Jun 2014, Paris, France. Springer, LNCS 9213, pp.452-460, Proceedings of the 8th International Conference Curves and Surfaces. 〈10.1007/978-3-319-22804-4_31〉
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ENS-CACHAN | UPEC-UPEM | ENPC | PARISTECH | LIGM | LIGM_A3SI | ESIEE-PARIS | IMAGINE

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Zhongwei Tang, Pascal Monasse, Jean-Michel Morel. Reflexive Symmetry Detection in Single Image. J.-D. Boissonnat et al. Curves and Surfaces, Jun 2014, Paris, France. Springer, LNCS 9213, pp.452-460, Proceedings of the 8th International Conference Curves and Surfaces. 〈10.1007/978-3-319-22804-4_31〉. 〈hal-01179500v2〉

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