P. Belhumeur, D. Chen, S. Feiner, D. Jacobs, W. Kress et al., Searching the World???s Herbaria: A System for Visual Identification of Plant Species, European Conference on Computer Vision, 2008.
DOI : 10.1007/978-3-540-88693-8_9

X. F. Wang, D. S. Huang, J. X. Du, X. Huan, and L. Heutte, Classification of plant leaf images with complicated background, Applied Mathematics and Computation, vol.205, issue.2, pp.916-926, 2008.
DOI : 10.1016/j.amc.2008.05.108

M. Nilsback and A. Zisserman, Delving into the whorl of flower segmentation, Procedings of the British Machine Vision Conference 2007, pp.570-579, 2007.
DOI : 10.5244/C.21.54

H. Goëau, A. Joly, I. Yahiaoui, P. Bonnet, and E. Mouysset, Participation of INRIA & Pl@ntNet to ImageCLEF 2011 Plant Images Classification Task, p.CLEF, 2011.

F. Mokhtarian and S. Abbasi, Matching Shapes With Self-Intersections: Application to Leaf Classification, IEEE Transactions on Image Processing, vol.13, issue.5, pp.653-661, 2004.
DOI : 10.1109/TIP.2004.826126

Z. Wang, Z. Chi, D. Feng, and Q. Wang, Leaf Image Retrieval with Shape Features, Advances in Visual Information Systems, pp.41-52, 2000.
DOI : 10.1007/3-540-40053-2_42

C. Teng, Y. Kuo, and Y. Chen, Leaf Segmentation, Its 3D Position Estimation and Leaf Classification from a Few Images with Very Close Viewpoints, Proceedings of the 6th International Conference on Image Analysis and Recognition, ICIAR '09, pp.937-946, 2009.
DOI : 10.1109/TPAMI.2004.60

T. Saitoh and T. Kaneko, Automatic recognition of wild flowers, International Conference on Pattern Recognition, pp.2507-2510, 2000.
DOI : 10.1002/scj.10099

J. X. Du, X. F. Wang, and G. Zhang, Leaf shape based plant species recognition, Applied Mathematics and Computation, vol.185, issue.2, pp.883-893, 2007.
DOI : 10.1016/j.amc.2006.07.072

C. Im, H. Nishida, and T. L. Kunii, A Hierarchical Method of Recognizing Plant Species by Leaf Shapes, pp.158-161, 1998.

T. Saitoh and T. Kaneko, Automatic recognition of blooming flowers, Proceedings of the 17th International Conference on Pattern Recognition, 2004. ICPR 2004., pp.27-30, 2004.
DOI : 10.1109/ICPR.2004.1333997

A. Manh, G. Rabatel, L. Assemat, and M. Aldon, AE???Automation and Emerging Technologies, Journal of Agricultural Engineering Research, vol.80, issue.2, pp.139-146, 2001.
DOI : 10.1006/jaer.2001.0725

M. Kass, A. Witkin, and D. Terzopoulos, Snakes: Active contour models, International Journal of Computer Vision, vol.5, issue.6035, pp.321-331, 1988.
DOI : 10.1007/BF00133570

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.124.5318

T. Chan and L. Vese, Active contours without edges, IEEE Transactions on Image Processing, vol.10, issue.2, pp.266-277, 2001.
DOI : 10.1109/83.902291

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.2.1828

S. Osher and J. A. Sethian, Fronts propagating with curvature-dependent speed: Algorithms based on Hamilton-Jacobi formulations, Journal of Computational Physics, vol.79, issue.1, pp.12-49, 1988.
DOI : 10.1016/0021-9991(88)90002-2

G. Unal, A. Yezzi, and H. Krim, Information-Theoretic Active Polygons for Unsupervised Texture Segmentation, International Journal of Computer Vision, vol.27, issue.2, pp.199-220, 2005.
DOI : 10.1007/s11263-005-4880-6

A. Yuille, P. Hallinan, and D. Cohen, Feature extraction from faces using deformable templates, International Journal of Computer Vision, vol.26, issue.6, pp.99-111, 1992.
DOI : 10.1007/BF00127169

T. F. Cootes, C. J. Taylor, D. H. Cooper, and J. Graham, Active Shape Models-Their Training and Application, Computer Vision and Image Understanding, vol.61, issue.1, pp.38-59, 1995.
DOI : 10.1006/cviu.1995.1004

P. Felzenszwalb, Representation and detection of deformable shapes, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.27, issue.2, pp.208-220, 2004.
DOI : 10.1109/TPAMI.2005.35

G. Cerutti, L. Tougne, A. Vacavant, and D. Coquin, A Parametric Active Polygon for Leaf Segmentation and Shape Estimation, 7th International Symposium on Visual Computing, 2011.
DOI : 10.1016/j.cviu.2009.05.002

URL : https://hal.archives-ouvertes.fr/hal-00622269

L. Cheng, T. Caelli, and A. Sanchez-azofeifa, Component optimization for image understanding: a Bayesian approach, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.28, issue.5
DOI : 10.1109/TPAMI.2006.92

A. P. Dempster, A Generalization of Bayesian Inference, Journal of the Royal Statistical Society, vol.30, pp.205-247, 1968.
DOI : 10.1007/978-3-540-44792-4_4

G. Shafer, A Mathematical Theory of Evidence, 1976.

G. Cerutti, L. Tougne, J. Mille, A. Vacavant, and D. Coquin, Guiding Active Contours for Tree Leaf Segmentation and Identification, p.CLEF, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00622274

H. Coste, Flore descriptive et illustrée de la France de la Corse et des contrées limitrophes, 1906.

Y. Shi and W. C. , A Real-Time Algorithm for the Approximation of Level-Set-Based Curve Evolution, IEEE Transactions on Image Processing, vol.17, issue.5, pp.645-656, 2008.

R. Malladi, J. A. Sethian, and B. C. Vemuri, Shape Modeling with Front Propagation: a Level Set Approach, Pattern Analysis and Machine Intelligence, IEEE Transactions on, vol.17, issue.2, pp.158-175, 1995.

C. H. Teh and R. T. Chin, On the detection of dominant points on digital curves, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.11, issue.8, pp.859-872, 1989.
DOI : 10.1109/34.31447

S. C. Pei and C. N. Lin, The detection of dominant points on digital curves by scale-space filtering, Pattern Recognition, vol.25, issue.11, pp.1307-1314, 1992.
DOI : 10.1016/0031-3203(92)90143-7

G. Cerutti and . Born, He received the Engineer degree from the Ecole Nationale Supérieure des Télécommunications (Telecom ParisTech), Paris, France and the M, he is Ph.D. student at the University of Lyon 2 and works at the LIRIS Laboratory, 1986.

L. Pr and . Tougne, She received her Ph.D. in 1997 in Computer Science from the Ecole Normale Supérieure of Lyon, France. From Her research topics concern image analysis, video analysis and discrete geometry, she was Associated Professor at the University of Lyon 2. Since 2005, she is Professor in Computer Science at the University of Lyon 2 and works at the LIRIS Laboratory, 1971.

. Pr, From 1992 to 2012, he was Associate Professor of telecommunication and network engineering at the Savoie University (Technological Academic Institute) Since 2012, he is Professor at the Savoie University and works in the Informatics His research interests include image processing, pattern recognition, image and video indexation, data fusion and fuzzy logic, Systems, Information and Knowledge Porocessing Laboratory (LISTIC), 1991.