publications

2023

S. Le Cam, P. Jurczynski, J. Jonas, L. Koessler, S. Colnat-Coulbois, R. Ranta - A Bayesian approach for simultaneous spike/LFP separation and spike sorting, Journal of Neural Engineering, doi: 10.1088/1741-2552/acc210

2022

A. Aussel, R. Ranta, O. Aron, S. Colnat-Coulbois, L. Maillard, L. Buhry - Cell to network computational model of the epileptic human hippocampus suggests specific roles of network and channel dysfunctions in the ictal and interictal oscillations, Journal of Computational Neuroscience 50, 519–535 (2022), doi: 10.1007/s10827-022-00829-5.
A. Bhattacharyya, A. Verma, R. Ranta, R.B. Pachori - Ocular Artifacts Elimination from Multivariate EEG Signal using Frequency-Spatial Filtering, IEEE Transactions on Cognitive and Developmental Systems, doi: 10.1109/TCDS.2022.3226775.
T. Schwitzer, S. Le Cam, E. Cosker, H. Vinsard, A. Leguay, K. Angioi-Duprez, V. Laprevote, R. Ranta, R. Schwan, V. Louis-Dorr - Retinal electroretinogram features can detect depression state and treatment response in adults: A machine learning approach, Journal of Affective Disorders 306, 208-214, (2022), doi: 10.1016/j.jad.2022.03.025.
V. del Rocío Hernández-Castanón, S. Le Cam, R. Ranta - On the localization of oscillatory sources from (S) EEG recordings, Proceedings of the 44^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'22, Glasgow, UK, doi:10.1109/EMBC48229.2022.9871931
S. Le Cam, R. Ranta - Approche bayésienne pour l’extraction et la classification de potentiels d’action, XXVIIIème Colloque Francophone de Traitement du Signal et des Images, GRETSI'22, Nancy, France
R. Ranta, S. Le Cam - OLS-R1: estimation parcimonieuse de sources cérébrales par régression itérative sous contrainte de rang, XXVIIIème Colloque Francophone de Traitement du Signal et des Images, GRETSI'22, Nancy, France

2021

R. Ranta, S. Le Cam, B. Chaudet, L. Tyvaert, L. Maillard, S. Colnat-Coulbois, V. Louis-Dorr - Approximate Canonical Correlation Analysis for common/specific subspace decompositions, Biomedical Signal Processing and Control, 68, pp 102780.
P. Jurczynski, S. Le Cam, B. Rossion, R. Ranta - Separating Local and Propagated Contributors to the Behnke-fried Microelectrode Recordings, Proceedings of the 14th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2021) - Volume 4: BIOSIGNALS
V. Hernandez-Castanon, S. Le Cam, R. Ranta - Sparse EEG source localization in frequency domain, Proceedings of the 43^rd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'21, Guadalajara, Mexico.
A. Aussel, L. Buhry, R. Ranta - Design of experiments and Sobol' sensitivity analysis of a hippocampus computational model, Proceedings of the 43^rd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'21, Guadalajara, Mexico.

2020

H. Tran, R. Ranta, S. Le Cam, V. Louis-Dorr - Fast simulation of extracellular action potential signatures based on a morphological filtering approximation, Journal of Computational Neuroscience (2020), https://doi.org/10.1007/s10827-019-00735-3

2019

R. Salido-Ruiz, R. Ranta, G. Korats, S. Le Cam, L. Koessler, V. Louis-Dorr - A unified weighted minimum norm solution for the reference inverse problem in EEG, Computers in Biology and Medicine, vol. 115, Dec 2019, https://doi.org/10.1016/j.compbiomed.2019.103510
A. Bhattacharyya, R Ranta, S. Le Cam, V Louis-Dorr, L Tyvaert, S. Colnat-Coulbois, L. Maillard, R.B. Pachori - A multi-channel approach for cortical stimulation artefact suppression in depth EEG signals using time-frequency and spatial filtering, IEEE Transactions on Biomedical Engineering, vol. 66, no. 7, Jul 2019
A. Aussel, H. Tran, L. Buhry, S. Le Cam, L. Maillard, S. Colnat-Coulbois, V. Louis-Dorr, R. Ranta - Extracellular synaptic and action potential signatures in the hippocampal formation: a modelling study, Computational Neurosciences Meeting, Jul 2019, Barcelona, Spain
R. Huet, P. Levionnais, O. Lepetit, R. Ranta, V. Louis-Dorr - Development of a biometric intrabody communication, 13th European Conference on Antennas and Propagation (IEEE - EuCAP), Mar 2019, Krakow, Poland
S. Le Cam, H. Tran, R. Ranta, V. Louis-Dorr - A Bayesian approach for Simultaneous Spike Extraction and Sorting, 9th International IEEE/EMBS Conference on Neural Engineering (NER), Mar 2019, San Francisco, USA, https://doi.org/10.1109/NER.2019.8716888
S. Le Cam, V. Caune, R. Ranta, V. Louis-Dorr - Dealing with the SEEG sparse setup: a local dipole fitting strategy, 9th International IEEE/EMBS Conference on Neural Engineering (NER), Mar 2019, San Francisco, USA, https://doi.org/10.1109/NER.2019.8716898
R. Ranta, S. Le Cam, G. Bergmanis-Korats, S. Rimbert, L. Bougrain - On source space resolution in EEG brain imaging for motor imagery, 9th International IEEE/EMBS Conference on Neural Engineering (NER), Mar 2019, San Francisco, USA, https://doi.org/10.1109/NER.2019.8716967

2018

A. Aussel, L. Buhry, L. Tyvaert, R. Ranta - A detailed anatomical and mathematical model of the hippocampal formation for the generation of Sharp-Wave Ripples and Theta-nested Gamma oscillations, J Comput Neurosci (2018), https://doi.org/10.1007/s10827-018-0704-x
A. Aussel, R. Ranta, L. Buhry, L. Tyvaert, P. Hénaff - A detailed anatomical and mathematical model of the hippocampal formation for the generation of Sharp-Wave Ripples and Theta-nested Gamma oscillations, Computational Neurosciences Meeting, Jul 2018, Seattle, WA, United States
H. Tran, S. Le Cam, V. Louis-Dorr, R. Ranta - Simulating extracellular signatures of action potentials using single compartment neurons and geometrical filtering, Computational Neurosciences Meeting, Jul 2018, Seattle, WA, United States

2017

S. Le Cam, R. Ranta, V. Caune, G. Korats, L. Koessler, L. Maillard, V. Louis-Dorr - SEEG dipole source localization based on an empirical Bayesian approach taking into account forward model uncertainties, NeuroImage, vol. 153, p. 1-15, June 2017
R. Ranta, S. Le Cam, L. Tyvaert, V. Louis-Dorr - Assesing human brain impedance using simultaneous surface and intracerebral recordings, Neuroscience, vol. 343, p. 411-422, February 2017
A. Aussel, L. Buhry, R. Ranta - Stability conditions of Hopfield ring networks with discontinuous piecewise-affine activation functions, 56th IEEE Conference on Decision and Control, CDC 2017, Dec 2017, Melbourne, Australia
S. Le Cam, R. Ranta, V. Caune, L. Koessler, L. Maillard, V. Louis-Dorr - SEEG Brain Source localization, BaCI Conference 2017, Bern, Switzerland
B. Chaudet, S. Le Cam, V. Louis-Dorr, R. Ranta, S. Colnat-Coulbois, L. Tyvaert - Stimulation subspace removal for estimating connectivities in the epileptic brain during sleep and wake states, BaCI Conference 2017, Bern, Switzerland

2016

A. Aussel, R. Ranta - Oscillation analysis of ring networks: application on epileptic hippocampus, Bernstein Conference 2016, Berlin, Germany
G. Korats, S. Le Cam, R. Ranta, V. Louis-Dorr - A Space-Time-Frequency Dictionary for Sparse Cortical Source Localization, IEEE Transactions on Biomedical Engineering, vol. 63(9), p. 1966-1973, 2016

2015

S. Le Cam, V. Caune, R. Ranta, L. Maillard, L. Koessler, V. Louis-Dorr - Combining Bayesian Source Imaging with Equivalent Dipole Approach to Solve the Intracranial EEG, Proceedings of the 37^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'15, Milano, Italy.
G. Korats, R. Ranta, S. Le Cam, V. Louis-Dorr - Sparse Cortical Source Localization using Spatio-Temporal Atoms Dipolar estimates of the cortical map, Proceedings of the 37^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'15, Milano, Italy.
H. Tran, S. Le Cam, R. Ranta - A coarse discretization of the brain volume for solving the inverse problem , BaCI Conference 2015, Utrecht, Netherlands

2014

V. Caune, R. Ranta, S. Le Cam, J. Hofmanis, L. Maillard, L. Koessler, V. Louis-Dorr - Evaluating dipolar source localization feasibility from intracerebral SEEG recordings, NeuroImage, vol. 98, p. 118-133, September 2014.
C. Lacaux, A. Muller-Gueudin, R. Ranta, S. Tindel - Convergence and performance of the peeling wavelet denoising algorithm, Metrika, vol. 77(4), p. 509-537, 2014
A. Barraza-Madrigal, R. Munoz-Guerrero, L. Leija, R. Ranta - Instantaneous Position and Orientation of the Body Segments as an Arbitrary Object in 3D Space by Merging Gyroscope and Accelerometer Information, vol. 35 (3), p. 241-252, December 2014, 2014
G. Korats, R. Ranta, S. Le Cam, V. Louis-Dorr - Dipolar estimates of the cortical map, Proceedings of the 36^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'14, Chicago, USA.
S. Le Cam, V. Caune, R. Ranta, L. Maillard, L. Koessler, V. Louis-Dorr - Influence of the stereo-EEG sensors setup and of the averaging on the dipole localization problem, Proceedings of the 36^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'14, Chicago, USA.

2013

J. Hofmanis, O. Caspary, V. Louis-Dorr, R. Ranta, L. Maillard - Denoising depth EEG signals during DBS using filtering and subspace decomposition, IEEE Transactions on Biomedical Engineering, vol. 60(10), p. 2686-2695, 2013.
G. Korats, S. Le Cam, R. Ranta, M.Hamid - Applying ICA in EEG: choice of the window length and of the decorrelation method, Communications in Computer and Information Sciences, vol. 357, p 269-286, 2013
G. Korats, R. Ranta, S. Le Cam, V. Louis-Dorr - Smoothness constraint for cortical dipolar sources estimation, Proceedings of the 35^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'13, Osaka, Japan.
V. Caune, S. Le Cam, R. Ranta, L. Maillard, V. Louis-Dorr - Dipolar source localization from intracerebral SEEG recordings, Proceedings of the 35^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'13, Osaka, Japan.

2012

R. Ranta, Y. Decoster, P. Orlewski - Detection of human presence in a vehicle by vibration analysis, IET Intelligent Transport Systems, vol. 6(4), p. 413-420, 2012.
N. Madhu, R. Ranta, L. Maillard, L. Koessler - A unified framework of the reference estimation problem in depth EEG recordings, Medical and Biological Engineering and Computing, vol. 50(10), p. 1003-1015, 2012 (draft).
R. Ranta, N. Madhu Reference Estimation in EEG: Analysis of Equivalent Approaches, IEEE Signal Processing Letters, vol. 19(1), p. 12-15, 2012 (draft).
R. Romo-Vazquez, H. Velez-Perez, R. Ranta, V. Louis-Dorr, D. Maquin, L. Maillard - Blind source separation, wavelet denoising and discriminant analysis for EEG artefacts and noise cancelling, Biomedical Signal Processing and Control, vol. 7(4), p. 389-400, 2012 (preprint).
L. Bougrain, C. Saavedra, R. Ranta - Finally, what is the best filter for P300 detection?, TOBI Workshop III, Tools for Brain-Computer Interaction, 2012
G. Korats, S. Le Cam, R. Ranta - Impact of Window Length and Decorrelation Step on ICA Algorithms for EEG Blind Source Separation, BIOSIGNALS 2012: 55-60
V. Caune, J. Zagars, R. Ranta - EEG/SEEG Signal Modelling using Frequency and Fractal Analysis, BIOSIGNALS 2012: 249-253

2011

R. Salido-Ruiz, R. Ranta, V. Louis-Dorr - EEG montage analysis in the Blind Source Separation framework, Biomedical Signal Processing and Control, vol. 6(1), p. 77-84, 2011
J. Hofmanis, R. Salido-Ruiz, O. Caspary, R. Ranta, V. Louis-Dorr - Extraction of Deep Brain Stimulation (DBS) source in SEEG using EMD and ICA, Proceedings of the 33^rd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'11, Boston, USA
H. Velez-Perez, R. Romo-Vazquez, R. Ranta, V. Louis-Dorr, L. Maillard - EEG preprocessing for synchronization estimation and epilepsy lateralization, Proceedings of the 33^rd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'11, Boston, USA

2010

R. Ranta, R. Salido-Ruiz, V. Louis-Dorr - Reference estimation in EEG recordings, Proceedings of the 32^nd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'10, Buenos-Aires, Argentina (improved version).
L. Koessler, R. Salido-Ruiz, R. Ranta, V. Louis-Dorr, M. Gavaret, L. Maillard - Influence of source separation and montage on ictal source localization, Proceedings of the 32^nd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'10, Buenos-Aires, Argentina
T. Cecchin, R. Ranta, O. Caspary, L. Koessler, H. Vespignani, L. Maillard - Seizure lateralization in scalp EEG using Hjorth parameters , Clinical Neurophysiology, vol. 121, p. 290-300.
R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf, F. Guillemin - Digestive activity evaluation by multi-channel abdominal sounds analysis, IEEE Transactions on Biomedical Engineering, vol. 57(6), p. 1507-1519, 2010.
R. Ranta, V. Louis-Dorr - Hysteresis thresholding: a graph-based wavelet block denoising algorithm, The Open Signal Processing Journal, vol. 3, Bentham Open.

2009

R. Salido-Ruiz, R. Ranta, V. Louis-Dorr - EEG Montage Analysis in Blind Source Separation, MCBMS 2009: 7th IFAC Symposium on Biological and Medical Systems, Aalborg, Denmark

2008

R. Salido-Ruiz, R. Romo-Vazquez, R. Ranta, L. Leija - Analysis of 5 source separation algorithms on simulated EEG signals, Research in Computing Science, vol. 35, p. 177-186.
H. Velez-Perez, V. Louis-Dorr, R. Ranta, M. Dufaut - Connectivity estimation of three parametric methods on simulated electroencephalogram signals, Proceedings of the 30^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'08, Vancouver, Canada.

2007

R. Romo-Vazquez, R. Ranta, V. Louis-Dorr, D. Maquin - Ocular artifacts removal in scalp EEG: combining ICA and wavelet denoising, PSIP 2007 (Physics in Signal and Image Processing), Mulhouse, France.
R. Romo-Vazquez, R. Ranta, V. Louis-Dorr, D. Maquin - EEG ocular artifacts and noise removal, Proceedings of the 29^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'07, Lyon, France.

2006

F. Abda, D. Brie, R. Ranta - Non-linear weighting function for non-stationary signal denoising, Proceedings of the 31st International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Toulouse, France.

2005

R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf, F. Guillemin - A complete toolbox for abdominal sounds signal processing and analysis, Proceedings of the 3^rd conference of EMBEC (Engineering in Medicine and Biology European Conference), Prague, Czech Republic.
R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf - Iterative wavelet-based denoising methods and robust outlier detection, IEEE Signal Processing Letters, vol. 12, no. 8, p. 561-564.

2004

R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf, F. Guillemin - Principal component analysis and interpretation of bowel sounds, Proceedings of the 25^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'04, San Francisco, USA.

2003

R. Ranta - Traitement et analyse de signaux sonores physiologiques. Application à la phonoentérographie, Mémoire de thèse, INPL Nancy, 2003.

R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf, F. Guillemin - Towards an acoustic map of abdominal activity, Proceedings of the 25^th conference of EMBS-IEEE (Engineering in Medicine and Biology Society), Cancun, Mexico.

R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf, F. Guillemin - Débruitage et segmentation de signaux non-stationnaires : réinterprétation d’un algorithme itératif et application à la phonoentérographie, Traitement du Signal, vol. 20, no. 2, p. 119-135.

R. Ranta, Ch. Heinrich, V. Louis-Dorr, D. Wolf - Interpretation and improvement of an iterative wavelet based denoising method, IEEE Signal Processing Letters, vol. 10, no. 8, p. 239-241.

2002

R. Ranta, V. Louis-Dorr, Ch. Heinrich, D. Wolf, F. Guillemin - Automatic characterization of bowel sounds, Proceedings of the 2^nd conference of EMBEC (Engineering in Medicine and Biology European Conference), vol. 3, no. 1, p. 454-455, Viena, Austria.

2001

R. Ranta, Ch. Heinrich, V. Louis-Dorr, D. Wolf, F. Guillemin - Wavelet-based bowel sounds denoising, segmentation and characterization, Proceedings of the 23^rd conference of EMBS-IEEE (Engineering in Medicine and Biology Society) EMBC'01, Istanbul, Turkey.