G. N. Sazaklis, Geometric Methods for Optical Character Recognition. PhD dissertation, 1997.

P. A. Devijver and J. Kittler, Pattern Recognition: a Statistical Approach, 1982.

O. D. Trier, A. K. Jain, and T. Taxt, Feature extraction methods for character recognition-A survey, Pattern Recognition, vol.29, issue.4, pp.641-662, 1996.
DOI : 10.1016/0031-3203(95)00118-2

L. M. Lorigo and V. Govindaraju, Offline Arabic handwriting recognition: a survey, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.28, issue.5, pp.712-724, 2006.
DOI : 10.1109/TPAMI.2006.102

R. Jayadevan, S. R. Kolhe, P. M. Patil, and U. Pal, Offline Recognition of Devanagari Script: A Survey, IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews), vol.41, issue.6, pp.782-796, 2011.
DOI : 10.1109/TSMCC.2010.2095841

L. Eikvil, OCR ? Optical Character Recognition, Norsk Regnesentral. Report No, vol.876, 1993.

K. Saeed and M. Tabedzki, Cursive-Character Script Recognition Using Toeplitz Model and Neural Networks, ICAISC 2004, pp.658-663, 2004.
DOI : 10.1007/978-3-540-24844-6_100

K. Saeed, Carath??odory???Toeplitz based mathematical methods and their algorithmic applications in biometric image processing, Applied Numerical Mathematics, vol.75, pp.2-21, 2014.
DOI : 10.1016/j.apnum.2012.05.004

J. Pradeep, E. Srinivasan, and S. Himavathi, Diagonal Based Feature Extraction for Handwritten Alphabets Recognition System Using Neural Network, International Journal of Computer Science and Information Technology, vol.3, issue.1, pp.27-38, 2011.
DOI : 10.5121/ijcsit.2011.3103

URL : http://arxiv.org/abs/1103.0365

K. Saeed, A Projection Approach for Arabic Handwritten Characters Recognition, Quo Vadis Computational Intelligence? New Trends and Applications in Computer Intelligence, Physica- Verlag Berlin -Kacprzyk J. (EiC), pp.106-111, 2000.

M. K. Hu, Visual Pattern Recognition by Moment Invariants, IRE Transactions on Information Theory, vol.8, pp.179-187, 1962.

A. Khotanzad and Y. H. Hong, Invariant image recognition by Zernike moments, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.12, issue.5, pp.489-497, 1990.
DOI : 10.1109/34.55109

N. Ahmed, T. Natarajan, and K. R. Rao, Discrete Cosine Transform, IEEE Transactions on Computers, vol.23, issue.1, pp.90-93, 1974.
DOI : 10.1109/T-C.1974.223784

A. G. Ramakrishnan and K. Bhargava-urala, Global and local features for recognition of online handwritten numerals and Tamil characters, Proceedings of the 4th International Workshop on Multilingual OCR, MOCR '13, 2013.
DOI : 10.1145/2505377.2505391

H. Freeman, On the Encoding of Arbitrary Geometric Configurations, EC-10, pp.260-268, 1961.
DOI : 10.1109/TEC.1961.5219197

F. P. Kuhl and C. R. Giardina, Elliptic Fourier features of a closed contour, Computer Graphics and Image Processing, vol.18, issue.3, pp.236-258, 1982.
DOI : 10.1016/0146-664X(82)90034-X

G. H. Granlund, Fourier Preprocessing for Hand Print Character Recognition, IEEE Transactions on Computers, vol.21, issue.2, pp.195-201, 1972.
DOI : 10.1109/TC.1972.5008926

S. S. Maddouri, H. Amiri, A. Belaid, and C. Choisy, Combination of local and global vision modelling for Arabic handwritten words recognition, Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition, pp.128-135, 2002.
DOI : 10.1109/IWFHR.2002.1030898

URL : https://hal.archives-ouvertes.fr/inria-00107580

C. Math, The Apache Commons Mathematics Library, ver. 3.3, http://commons.apache.org/proper/commons-math, p.22, 2015.

K. Saeed, M. Tabedzki, M. Rybnik, and M. Adamski, K3M: A universal algorithm for image skeletonization and a review of thinning techniques, International Journal of Applied Mathematics and Computer Science, vol.20, issue.2, pp.317-335, 2010.
DOI : 10.2478/v10006-010-0024-4