University of LiègeULgFaculty of EngineeringFacSALibrary News   
Mohamed Boutaayamou - Publications ORBI
Boutaayamou, M., Bruls, O., Croisier, J.-L., Garraux, G., Verly, J., & Schwartz, C. (2017, April 29). Ambulatory System for Gait Analysis. Paper presented at Human Body in Motion, Brussels, Belgium.
We describe the principle and use of a wireless, 3-axis accelerometer-based ambulatory system that records acceleration signals and automatically analyses them to characterize normal and pathological gait. The ...
Boutaayamou, M., Denoël, V., Bruls, O., Demonceau, M., Maquet, D., Forthomme, B., Croisier, J.-L., Schwartz, C., Verly, J., & Garraux, G. (2017). Algorithm for Temporal Gait Analysis Using Wireless Foot-Mounted Accelerometers. Berlin: Springer.
We present a new signal processing algorithm that extracts five gait events: heel strike, toe strike, heel-off, toe-off, and heel clearance from only two accelerometers attached on the heels of the ... ...
Boutaayamou, M., Denoël, V., Bruls, O., Demonceau, M., Maquet, D., Forthomme, B., Croisier, J.-L., Schwartz, C., Verly, J., & Garraux, G. (2016). Extraction of temporal gait parameters using a reduced number of wearable accelerometers. Proceedings of the 9th International Conference on Bio-inspired Systems and Signal Processing.
Peer reviewed
Wearable inertial systems often require many sensing units in order to reach an accurate extraction of temporal gait parameters. Reconciling easy and fast handling in daily clinical use and accurate extraction ...
Grogna, D., Boutaayamou, M., & Verly, J. (2016). Method for detecting interest points in images using angular signatures. IEEE Xplore Digital Library.
Peer reviewed
We present an innovative method for detecting interest points (IPs) in grayscale and color images. It is based on the use of angular signatures (ASs), produced by spinning, at each pixel in the image, an "x ...
DEMONCEAU, M., Boutaayamou, M., Maquet, D., & GARRAUX, G. (2015, January 30). Gait quantification through accelerometers and clinical tests: application to pathological gait. Paper presented at International congress of physiotherapy- biomedical engineering and physiotherapy.
Gait gives essential information to physiotherapists in the screening and follow-up of their patients suffering from orthopaedic, geriatric or neurologic diseases. Most of time, clinical practitioners rely on ...
Boutaayamou, M., Schwartz, C., Stamatakis, J., Denoël, V., Maquet, D., Forthomme, B., Croisier, J.-L., Macq, B., Verly, J., Garraux, G., & Bruls, O. (2015, January). Development and validation of an accelerometer-based method for quantifying gait events. Medical Engineering & Physics.
Peer reviewed (verified by ORBi)
An original signal processing algorithm is presented to automatically extract, on a stride-by-stride basis, four consecutive fundamental events of walking, heel strike (HS), toe strike (TS), heel-off (HO), and ...
Boutaayamou, M., Bruls, O., Denoël, V., Schwartz, C., Demonceau, M., Garraux, G., & Verly, J. (2015). Segmentation of gait cycles using foot-mounted 3D accelerometers. Proceedings of the IEEE International Conference on 3D Imaging 2015.
Peer reviewed
We describe a new gait segmentation method based on the continuous wavelet transform to identify stride-by-stride gait cycles from measurements of foot-mounted three-dimensional (3D) accelerometers. The ...
Boutaayamou, M., Demonceau, M., Schwartz, C., Bruls, O., Denoël, V., Verly, J., & Garraux, G. (2015). Ambulatory system using wearable accelerometers for gait analysis in Parkinson’s disease. Proceedings of the 14th Belgian Day on Biomedical Engineering.
Peer reviewed
We describe a signal-processing algorithm for gait analysis in Parkinson’s disease (PD) using an ambulatory system with wearable accelerometers. This algorithm is versatile enough to detect, on a stride-by ...
Boutaayamou, M., Schwartz, C., Denoël, V., FORTHOMME, B., Croisier, J.-L., Garraux, G., Verly, J., & Bruls, O. (2015). Development and validation of a 3D kinematic-based method for determining gait events during overground walking. IEEE International Conference on 3D Imaging (IC3D) (pp. 1-6). IEEE.
Peer reviewed
A new signal processing algorithm is developed for quantifying heel strike (HS) and toe-off (TO) event times solely from measured heel and toe coordinates during overground walking. It is based on a rough ...
Demonceau, M., Donneau, A.-F., CROISIER, J.-L., SKAWINIAK, E., Boutaayamou, M., Maquet, D., & GARRAUX, G. (2015). Contribution of a Trunk Accelerometer System to the Characterization of Gait in Patients With Mild-to-Moderate Parkinson’s Disease. IEEE Journal of Biomedical and Health Informatics.
Peer reviewed (verified by ORBi)
OBJECTIVE: Gait disturbances like shuffling and short steps are obvious at visual observation in patients with advanced Parkinson's disease (PD). However, quantitative methods are increasingly used to evaluate ...
Boutaayamou, M., Crosset, N., Werner, X., & Verly, J. (2014). Design and implementation of a T impedance matching network for the radiocommunication subsystem aboard the OUFTI-1 nanosatellite. Proceedings of the URSI Forum 2014.
Peer reviewed
We describe how we handled an unexpected impedance matching issue on the receiver side (at UHF) of the radiocommunication system aboard the OUFTI-1 nanosatellite of the University of Liège. Our approach relied ...
Boutaayamou, M., Lemaire, P., Vanderheyden, B., & Vanderbemden, P. (2014). Design and fabrication of an electrode array sensor for probing the electric potential distribution at the mesoscopic scale in antistatic felts. Measurement Science and Technology, 25, 075903 (9.
Peer reviewed (verified by ORBi)
We present an original voltage probe design for measuring the electric potential distribution at the mesoscopic scale (i.e., 1 mm–1 cm) in antistatic felts. The felts are composed of a mixture of non ...
Boutaayamou, M., Schwartz, C., Stamatakis, J., Denoël, V., Maquet, D., Forthomme, B., Croisier, J.-L., Macq, B., Verly, J., Garraux, G., & Bruls, O. (2013, June). Validation of an accelerometer-based approach to quantify gait events. Poster session presented at Biomedica 2013 - The european life sciences summit.
Peer reviewed
Researchers rarely provide solid performance and validation information about their acceleometer-based approaches to human gait analysis. We present here a novel signal processing and analysis algorithm that ...
Boutaayamou, M., Schwartz, C., Stamatakis, J., Denoël, V., Maquet, D., Forthomme, B., Croisier, J.-L., Macq, B., Verly, J., Garraux, G., & Bruls, O. (2012). Validated Extraction of Gait Events from 3D Accelerometer Recordings. IEEE International Conference on 3D Imaging (IC3D).
Peer reviewed
This work is part of a project that deals with the three-dimensional (3D) analysis of normal and pathological gaits based on a newly developed system for clinical applications, using low-cost wireless ...
Boutaayamou, M., Schwartz, C., Bruls, O., Denoël, V., Demonceau, M., Maquet, D., Forthomme, B., Croisier, J.-L., Garraux, G., & Verly, J. (2012). 3D Analysis of Normal and Pathological Gait Based on Low-Cost Wireless Accelerometers. URSI Benelux Forum 2012 “Antennas: multiple designs, multiple applications”.
Peer reviewed
We describe the principle and use of a new low-cost, wireless, 3-axis accelerometer-based device that records acceleration signals and automatically analyses them to characterize normal and pathological gait.
Boutaayamou, M., Léonard, A., Vanderheyden, B., & Vanderbemden, P. (2011). Study of Conduction Mechanisms in Antistatic Felts at the Mesoscopic Scale. International Symposium on New Frontiers in Fiber Materials Science; Conference Proceedings.
Peer reviewed
This work is part of a project that deals with the optimization of the quantity and the nature of conductive fibers in antistatic felts used for filtering and sieving powders. Our research concerns the ...
Boutaayamou, M. (2009). Méthode de Perturbation pour la Modélisation par Éléments Finis des Systèmes Électrostatiques en Mouvement - Application aux MEMS Électrostatiques. Unpublished doctoral thesis, Université de Liège, ​Liège, ​​Belgique.
La modélisation par éléments finis des conducteurs en mouvement nécessite généralement des calculs successifs et le remalliage de certaines régions. Une modélisation 3D de géométries complexes par les ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2009). Electrostatic Analysis of Moving Conductors Using a Perturbation Finite Element Method. IEEE Transactions on Magnetics, 45(3), 1004-1007.
Peer reviewed (verified by ORBi)
This paper deals with the analysis of electrostatic problems involving moving devices by means of a perturbation finite element method. A reference problem without any moving parts is first solved and gives ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). An iterative finite element perturbation method for computing electrostatic field distortions. IEEE Transactions on Magnetics, 44(6), 746-749.
Peer reviewed (verified by ORBi)
A finite element perturbation method is developed for computing electrostatic field distortions and the ensuing charges and forces on moving conductive regions subjected to fixed potentials. It is based on the ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). Finite element modeling of electrostatic MEMS including the impact of fringing field effects on forces. Sensor Letters, 6(1), 115-120.
Peer reviewed (verified by ORBi)
The numerical models describing the behaviour of electrostatically actuated microsystems often disregard fringing fields. However, taking fringing fields into account is crucial for an accurate computation of ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). A Perturbation Finite Element Method for Modeling Electrostatic MEMS without Remeshing. Proceedings of the 9th International Conference on Thermal, Mechanical and Multiphysics Simulation and Experiments in Micro-Electronics and Micro-Systems (EuroSimE2008). Freiburg, Germany.
Peer reviewed
This paper deals with the coupled electrostatic- mechanical analysis of electrostatically actuated MEMS. An iterative perturbation procedure in conjunction with the finite element method is used to solve the ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). A perturbation method for the 3D finite element modeling of electrostatically driven MEMS. Sensors, 8(2), 994-1003.
Peer reviewed (verified by ORBi)
In this paper, a finite element (FE) procedure for modeling electrostatically actuated MEMS is presented. It concerns a perturbation method for computing electrostatic field distortions due to moving ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2007). An Iterative Finite Element Perturbation Method for Computing Electrostatic Field Distortions. Proceedings of 16th Conference on the Computation of Electromagnetic Fields (COMPUMAG2007).
Peer reviewed
A finite element (FE) perturbation method for computing electrostatic field distortions due to moving conductors is presented. First, an unperturbed problem (in the absence of conductors) is solved with the ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2007). A Perturbation Method for the 3D Finite Element Modeling of Electrostaticaly Driven MEMS. Proceedings of the 8th International Conference on Thermal, Mechanical and Multiphysics Simulation and Experiments in Micro-Electronics and Micro-Systems (pp. 50-54). IEEE.
Peer reviewed
In this paper, a finite element (FE) procedure for modeling electrostatically actuated MEMS is presented. It concerns a perturbation method for computing electrostatic field distortions due to moving ...