Resume of my scientific work - Mohammed El Rhabi

Apr 3, 2014 - Applications : diagnosis of electromechanical systems (signal processing) ; .... Proceedings and peer-reviewed internationale conferences.
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Resume of my scientific work Mohammed El Rhabi, Phd

Pierre & Marie Curie University Jacques-Louis Lions lab.

Sommaire : My profile

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Education

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Professional experience

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Phd students

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List of publications

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My profile Expertise and Research Interests Profile Strong background in Applied Mathematics : P.D.E’s, Numerical Analysis and Scientific Computing (high level experience in several Computing Languages and Operating Systems), in Signal Processing and in Image Processing. — Crowd Modelling — Academic Partnership management. Construction of projects with french public funding (OSEO, ANR, CIR...). Trainees supervision. — Image Processing : content-based image recognition, document image analysis, denoising, deblurring, inpainting, poisson image editing and image segmentation. Motion Estimation, Optical Flow, egomotion. — Blind Source Separation and its application to the diagnosis of electromechanical systems. — A Mortar Spectral Element Method and its application to the numerical resolution of elliptic problems in the heterogeneous case. — Time-harmonic Maxwell’s equation in Lipchitz and multiply-connected domain in the three-dimensional case. Keywords — P.D.E’s, Scientific Computing, Numerical Analysis, Spectral Element method, Finite Element Method, Domain Decomposition Methods, Mortar Method, Complex Geometries . Their applications to physics. — Image and Signal Processing. Image restoration. Document Image Analysis. Blind Source Separation. Independent Component Analysis (ICA). Principal Component Analysis (PCA). Applied Statistic - Stochastic Optimization. Applications : diagnosis of electromechanical systems (signal processing) ; Embedded Image processing.

Education 1998-2002 Ph.D. in Applied Mathematics at Jacques-Louis Lions Laboratory (Pierre & Marie Curie University), Paris, France. Advisor : C. Bernardi. Dissertation Title : Numerical Analysis and Discretization by a Mortar Spectral Method of the 3D Maxwell’s equations 1997-1998 M. Sc. (DEA in french) in Applied Mathematics (P.D.E and Scientific Computing), Paris-Sud University, Orsay, France

Professional experience 2016-

Associate professor, academic director, Computer Science and Applied Mathematics department, Ecole des Ponts ParisTech

2014-2017

Program manager : Academic partnership : Definition of the students recruitment process. New agreement with a TOP 2 Maroccan Engineering School (Ecole Mohammadia des Ingénieurs-EMI). Recruitment of students from Ecole Hassania des Travaux Publics (EHTP) and EMI, about 20 students per year. Industrial/Academic partnership : Significant Contribution in the Partnership of OCP, Mohammed VI Polytechnic University (UM6P) and Ecole des Ponts ParisTech

2013-2016

Academic manager, Computer Science and Applied Mathematics department, Ecole des Ponts ParisTech

2010-

Associate Member, applied math. and computer science lab. (LAMAI), Sciences and technologies Faculty, Cadi Ayyad University (UCA-Marrakesh-Morocco)

2010-2011

Program Manager, SIMI-1 scientific committee (mathematics and interaction), French National Research Agency

2008-2010

Lead scientist (applied mathematics) at Realeyes3d, SA (Open-ended position) 1

2006-2008

Research scientist (applied mathematics) at Realeyes3d, SA (Open-ended position)

2005-2006

Research scientist (applied mathematics) at École Nationale des Ponts & Chaussée, Champs sur Marne, France

2002-2005

Postdoctoral position (full-time) and teaching Assistant (part-time) at University of Reims Champagne-Ardenne, Reims, France

1999-2001

Assistant Professor (ATER) at University Paris 12 - Val de Marne, Créteil, France

1997-1999

Teaching Assistant (full-time) at Paris-Sud University, Jean Monnet Faculty, Orsay, France

Phd students 2016- :

Fatim Zehrae Aït Bella, second year, Applied Mathematics and Computer Science lab. (LAMAI), Sciences and technologies Faculty (FST), Cadi Ayyad University (UCA, Marrakesh, Marocco). Co-supervision : 30%. Subject « Document-Images restoration acquired in a tough environment ( Nonuniform illumination, blur, noise ....) ». Joint publication : [3]

2014- :

Abdelghani Elmoussaoui, last year, LAMAI-FST-UCA. Co-supervision : 30%. Subject « Discrete kinetic theory for 2D modeling of a moving crowd : Application to the evacuation of a non-connected bounded domain ». Joint publications : [2, 4]

2014- :

Aïssam Jebrane, last year, LAMAI-FST-UCA-LVMT-Ecole des Ponts. Thesis under joint sponsorship (Morocco and France). Co-supervision : 30%. Subject : « Discrete models of crowd movement. Dense crowds and panic situation. Stochastic Differential Systems ». Joint publications : [1, AAHE]

2014-2017 :

Idriss El Morabit, LAMAI-FST-UCA. Co-supervision : 50%. Subject « Variational methods and PDE’s in Imaging ». Defense scheduled : 30 october 2017. Joint publications : [6, 8]

2013-2015 :

Abdelghani Ghazdali, LAMAI-FST-UCA. Co-supervision : 25%. Defended on 12 december 2015. Sujet « Blind separation for independent/dependent sources using copula ». Assistant professor at ENSA (maroccan school of engineering) since september 2016. Joint publications : [7]

2013-2015 :

Amine Lagrhrib, LAMAI-FST-UCA. Co-supervision : 25%. Defended : 19 december 2015. Sujet « Super-resolution for a sequence of images by variational methods - Registration and Restoration ». Assistant professeur at Béni Mellal University (Morocco) since september 2016. Joint publications : [3, 5, 9, 10, 11]

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List of publications peer-reviewed Journal Articles (JCR ou Thomson-Reuters) [1] A. Jebrane, P. Argoul, M. El Rhabi et A. Hakim. «Estimating contact forces/pressure in a dense crowd from the non-smooth approach view for dynamics of solids». Submitted to Journal of Applied Mathematical Modelling. [2] A. Elmoussaoui, A. Jebrane, P. Argoul, M. El Rhabi et A. Hakim. «2D meso modelling of crowd motion with the kinetic theory approach : Influence of obstacles on the evacuation time». Submitted to Journal of Engineering Mathematics. [3] F.-Z. Aït Bella, M. El Rhabi, A. Hakim et A. Laghrib. «Reduction of the non-uniform illumination by using nonlocal variational models for document image analysis». Submitted to Journal-of-the-Franklin-institute. [4] A. Elmoussaoui, P. Argoul, M. El Rhabi et A. Hakim. «Discrete kinetic theory for 2D modeling of a moving crowd : Application to the evacuation of a non-connected bounded domain». Computers & Mathematics with Applications 75, numéro 4 (2018), 1159 – 1180. [5] «Simultaneous deconvolution and denoising using a second order variational approach applied to image super resolution». Computer Vision and Image Understanding 168 (2018), 50 – 63. [6] D. El Morabit, M. El Rhabi, A. Hakim, A. Laghrib, et E. Moreau. «A new denoising model for multi-frame super-resolution image reconstruction». Signal Processing 132 (2017), 51–65. [7] M. EL Rhabi, H. Fenniri, A. Ghazdali et A. Keziou. «Blind noisy mixture separation for independent/dependent sources through a regularized criterion on copulas». Signal Processing 131 (2017), 502–513. [8] I. El Morabit, M. El Rhabi et A. Hakim. «Orthogonal projection algorithm for first and second order total variation denoising». Annals of the University of Craiova - Mathematics and Computer Science Series 42, numéro 1 (2015), 140–147. [9] A. Laghrib, A. Hakim, S. Raghay et M. El Rhabi. «Robust multi-frame super-resolution with non-parametric deformations using diffusion registration». Annals of the University of Craiova - Mathematics and Computer Science Series 42, numéro 1 (2015), 117–128. [10] A. Laghrib, A. Hakim, S. Raghay et M. El Rhabi. «A robust multi-frame super resolution based on curvature registration and second order variational regularization». International Journal of Tomography & Simulation 28, numéro 2 (2015), 63–71. [11] A. Laghrib, A. Hakim, S. Raghay et M. El Rhabi. «Robust super resolution of images with non-parametric deformations using an elastic registration». Applied Mathematical Sciences 8, numéro 179 (2014), 8897–8907. [12] S. Saoud, Z. Mahani, A. Hakim et M. El Rhabi. «Document scanning in a tough environment : application to cameraphones». International Journal of Imaging & Robotics (IJIR), Special Issue on Practical Perspective of Digital Imaging for Computational Applications 9, numéro 1 (2013), 1–16. [13] M. El Rhabi, H. Fenniri, A. Kéziou et E. Moreau. «A robust algorithm for convolutive blind source separation in presence of noise». Signal Processing 93, numéro 4 (2013), 818–827. [14] M. El Rhabi, A. Hakim, Z. Mahani et S. Saoud. «A General Formulation for Time-Harmonic Maxwell Equations in 3D Cavities and Approximation by a Spectral Method». Advances in Dynamical Systems and Applications, ISSN 0973-5321 8, numéro 1 (2013), 13–23. [15] M. Azaïez, F. Ben Belgacem, C. Bernardi et M. El Rhabi. «The mortar spectral element method in domains of operators. Part II : the curl operator and the vector potential problem». IMA Journal of Numerical Analysis 28, numéro 1 (2008), 106–120. [16] M. El Rhabi, H. Fenniri, G. Gelle et G. Delaunay. «Blind Separation of rotating machines signals using PMI criterion and Minimal Distorsion Principle». MSSP Mechanical System and Signal Processing 19, numéro 6 (2005), 1282–1292. 3

[17] T.Z. Boulmezaoud et M. El Rhabi. «A mortar spectral method for 3D Maxwell’s equations». IMA Journal on Numerical Analysis 25, numéro 3 (2005), 577–610. [18] M. El Rhabi, G. Gelle, H. Fenniri et G. Delaunay. «A penalized mutual information criterion for blind separation of convolutive mixtures». Signal Processing 83 (2004), 1979–1984.

Proceedings and peer-reviewed internationale conferences [19] M. El Rhabi, H. Fenniri, A. Hakim et E. Moreau. «A new image deblurring approach using a special convolution expansion». Dans Signal Processing Conference (EUSIPCO), 2013 Proceedings of the 21st European (Sept 2013), pp. 1–5. [20] M. El Rhabi, A. Hakim, Z. Mahani, K. Messou et S. Saoud. «A Tool for Scanning DocumentImages with a Photophone or a Digicam». Dans Computer Applications for Communication, Networking, and Digital Contents, T.-h. Kim, D.-s. Ko, T. Vasilakos, A. Stoica et J. Abawajy, éditeurs, volume 350 des Communications in Computer and Information Science. Springer Berlin Heidelberg, 2012, pp. 331–341. [21] Z. Mahani, J. Zahid, S. Saoud, M. El Rhabi et A. Hakim. «Text Enhancement by PDE s Based Methods». Dans Image and Signal Processing, A. Elmoataz, D. Mammass, O. Lezoray, F. Nouboud et D. Aboutajdine, éditeurs, volume 7340 des Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2012, pp. 65–76. [22] L. Dumas, M. El Rhabi et G. Rochefort. «An evolutionary approach for blind deconvolution of barcode images with nonuniform illumination,». Dans IEEE CEC 2011, (2011), http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5949917. [23] L. Dumas, M. El Rhabi et G. Rochefort. «A Robust Method for Joint Correction of Nonuniform Illumination and Blind Deconvolution of Barcode Signals». Dans SIAM Conference on Imaging Science (IS10) 2010, (2010). [24] T. Boulmezaoud, M. El Rhabi et G. Rochefort. «A novel model for deblurring images». Dans SIAM Conference on Imaging Science (IS10) 2010, (2010). [25] T. Boulmezaoud, M. El Rhabi, H. Fenniri et E. Moreau. «On convolutive Blind Source Separation in a noisy context and a Total Variation regularization». Dans The 11th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC2010 (2010), http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5671015. [26] M. El Rhabi, H. Fenniri et G. Delaunay. «Blind Source Separation using Penalized Mutual Information criterion and Minimal Distortion Principle». Dans International Symposium on Communications, Control and Signal Processing 2006, (2006). [27] M. El Rhabi, H. Fenniri, G. Gelle et G. Delaunay. «Convolutive Mixtures Separation by Penalized Mutual Information Criterion. Application to rotating machine diagnosis and monitoring». Dans 5th International Conference "Acoustical and Vibratory Surveillance Methods and Diagnostic Techniques" (2004). [28] M. El Rhabi, G. Gelle, H. Fenniri et G. Delaunay. «Convolutive Blind Source Separation using a penalized mutual information criterion». Dans EUSIPCO 2004 (2004), Proceedings (CD-ROM and paper hard copy). [29] T.Z. Boulmezaoud et M. El Rhabi. «On time-harmonic Maxwell’s equation in Lipschitz and multiply-connected domain in IR3 ». Monografias del Seminario Matematico Garcia de Galdeano 27 (2003), 127–134.

Proceedings and peer-reviewed internationale conferences [30] A. Jebrane, P. Argoul, A. Hakim et M. El Rhabi. «Sur l’évolution d’un système de solides rigides, à nombre de degrés de liberté fin». Dans Congrès SMAI 2017, 8ème Biennale Française des Mathématiques Appliquées et Industrielles (5 juin au 9 juin 2017). [31] A. Ghorbel, R. Monneau et M. El Rhabi. «Comportement mécanique par homogénéisation de la dynamique des dislocations». Dans Colloque National MECAMAT - Aussois 2006, École de Mécanique des Matériaux, « Approches multi-échelles en mécanique des matériaux » (Janvier 2006). 4

[32] T.Z. Boulmezaoud et M. El Rhabi. «A mortar spectral method for 3D Maxwell’s equations». Dans 34ème Congrès National d’Analyse Numérique (CANUM 2002) (Mai 2002). [33] T.Z. Boulmezaoud et M. El Rhabi. «On time-harmonic Maxwell’s equation in Lipschitz and multiply-connected domain in IR3 . Theory and approximation by a spectral method». Dans 1er Congrès National de Mathématiques Appliquées et Industrielles (Mai 2001).

Patents [EMHS14] M. El Rhabi, Z. Mahani, A. Hakim et S. Saoud, Procédé pour la restauration d’une image floue acquise au moyen d’une caméra numérique en vue de permettre la lecture et l’interprétation d’un motif inclus dans ladite image. OMPIC (Moroccan Industrial and Commercial Property Office) : MA 34997 B1. Cl. Internationale : G06t 5/00 ; g06k 9/56 ; g06k 9/62 ; h04n 5/243. Date de publication : 03.04.2014. n◦ Dépôt : 35219., Tech. report, Université Ibn Zohr-Agadir-Maroc, 2014. [ER08]

M. El Rhabi et G. Rochefort, Method of restoring a blurred image acquired by means of a camera fitted to a communication terminal : Pub. no. :wo/2009/112710, Publication Date : 17.09.2009, IPC : G06T 5/00 (2006.01), G06K 9/56 (2006.01), G06K 9/62 (2006.01), H04N 5/243 (2006.01). Priority Data : 08 00693 11.02.2008 FR., Tech. report, Realeyes3d, SA, 2008.

Articles in progress [AAHE] A.Jebrane, P. Argoul, A. Hakim et M. El Rhabi, An overview on the non smooth dynamic of rigid bodies, in progress. [EAEH] A. Elmoussaoui, P. Argoul, M. El Rhabi et H. Hakim, Discrete kinetic theory for 2d modeling of crowd motion : crowd characterized by a state of equilibrium, in progress. [EFM]

M. El Rhabi, H. Fenniri et E. Moreau, A quasi-newton method for a convolutive blind source separation, in progress.

Prizes 1 [Rea07a] Realeyes 3D team , Mobile monday global peer awards : At mobile monday global peer awards, held in barcelona during 3gsm 2007, realeyes3d presented its technology in this short, fast paced, use cases movie... and won the expert jury award, Tech. report, Realeyes3d, SA, 2007. [Rea07b] Realeyes 3D team, Red herring prize : Since 1996, technology industry executives, investors, and strategists have valued the red herring 100 lists as an instrument for discovering and advocating the most promising private ventures from around the world, Tech. report, Realeyes3d, SA, 2007.

1. These “prizes” have rewarded the innovation efforts of all the staff of Realeyes 3D, not just mine !

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