Lotfi Chaari Professeur des universités à Toulouse INP

Publications

Article dans une revue (30)

A Gabor-enhanced deep learning approach with dual-attention for 3D MRI brain tumor segmentation Ekram Chamseddine,Lotfi Tlig,Lotfi Chaari,Mounir Sayadi Computers in Biology and Medicine, 2025, 197, pp.111047. ⟨10.1016/j.compbiomed.2025.111047⟩ Article dans une revue hal-05255561v1
A Review of CNN Applications in Smart Agriculture Using Multimodal Data Mohammad El Sakka,Mihai Ivanovici,Lotfi Chaari,Josiane Mothe Sensors, 2025, 25 (2), pp.472. ⟨10.3390/s25020472⟩ Article dans une revue hal-04923529v1
A Review of CNN Applications in Smart Agriculture Using Multimodal Data Mohammad El Sakka,Mihai Ivanovici,Lotfi Chaari,Josiane Mothe Sensors, 2025, 25 (2), pp.472. ⟨10.3390/s25020472⟩ Article dans une revue hal-05043513v1
Bayesian optimization for sparse neural networks with trainable activation functions Mohamed Fakhfakh,Lotfi Chaari IEEE Transactions on Pattern Analysis and Machine Intelligence, 2024, pp.1--14. ⟨10.1109/TPAMI.2024.3387073⟩ Article dans une revue hal-04567319v1
mid-DeepLabv3+: A Novel Approach for Image Semantic Segmentation Applied to African Food Dietary Assessments Thierry Roland Baban a Erep,Lotfi Chaâri Sensors, 2023, 24 (1), pp.209. ⟨10.3390/s24010209⟩ Article dans une revue hal-04414176v1
Non-smooth Bayesian learning for artificial neural networks Mohamed Fakhfakh,Lotfi Chaâri,Bassem Bouaziz,Faiez Gargouri Journal of Ambient Intelligence and Humanized Computing, In press Article dans une revue hal-03669388v1
Sleep Quality and Physical Activity as Predictors of Mental Wellbeing Variance in Older Adults during COVID-19 Lockdown: ECLB COVID-19 International Online Survey Khaled Trabelsi,Achraf Ammar,Liwa Masmoudi,Omar Boukhris,Hamdi Chtourouet al. International Journal of Environmental Research and Public Health, 2021, 18 (8), pp.4329. ⟨10.3390/ijerph18084329⟩ Article dans une revue hal-04753452v1
Effects of home confinement on mental health and lifestyle behaviours during the COVID-19 outbreak: Insight from the ECLB-COVID19 multicenter study Achraf Ammar,Khaled Trabelsi,Michael Brach,Hamdi Chtourou,Omar Boukhriset al. Biology of Sport, 2021, 38 (1), pp.9-21. ⟨10.5114/biolsport.2020.96857⟩ Article dans une revue hal-04753462v1
Convolutional Neural Network for Drowsiness Detection Using EEG Signals Siwar Chaabene,Bassem Bouaziz,Amal Boudaya,Anita Hökelmann,Achraf Ammaret al. Sensors, 2021, 21 (5), pp.1734. ⟨10.3390/s21051734⟩ Article dans une revue hal-03161019v1
Globally altered sleep patterns and physical activity levels by confinement in 5056 individuals: ECLB COVID-19 international online survey Khaled Trabelsi,Achraf Ammar,Liwa Masmoudi,Omar Boukhris,Hamdi Chtourouet al. Biology of Sport, 2021, 38 (4), pp.495-506. ⟨10.5114/biolsport.2021.101605⟩ Article dans une revue hal-04753466v1
Psychological consequences of COVID-19 home confinement: The ECLB-COVID19 multicenter study Achraf Ammar,Patrick Mueller,Khaled Trabelsi,Hamdi Chtourou,Omar Boukhriset al. PLoS ONE, 2020, 15 (11), pp.e0240204. ⟨10.1371/journal.pone.0240204⟩ Article dans une revue hal-04753459v1
Bayesian curved lane estimation for autonomous driving Mohamed Fakhfakh,Lotfi Chaari,Nizar Fakhfakh Journal of Ambient Intelligence and Humanized Computing, 2020, 11, pp.4133-4143. ⟨10.1007/s12652-020-01688-7⟩ Article dans une revue hal-02950806v1
COVID-19 Home Confinement Negatively Impacts Social Participation and Life Satisfaction: A Worldwide Multicenter Study Achraf Ammar,Hamdi Chtourou,Omar Boukhris,Khaled Trabelsi,Liwa Masmoudiet al. International Journal of Environmental Research and Public Health, 2020, 17 (17), pp.6237. ⟨10.3390/ijerph17176237⟩ Article dans une revue hal-04753445v1
Covid-19 pandemic by the &quot;real-time&quot; monitoring: the Tunisian case and lessons for global epidemics in the context 3PM strategies Lotfi Chaari,Olga Golubnitschaja EPMA Journal, 2020, 11 (2), pp.133-138. ⟨10.1007/s13167-020-00207-0⟩ Article dans une revue hal-02940975v1
Effects of COVID-19 Home Confinement on Eating Behaviour and Physical Activity: Results of the ECLB-COVID19 International Online Survey Achraf Ammar,Michael Brach,Khaled Trabelsi,Hamdi Chtourou,Omar Boukhriset al. Nutrients, 2020, 12 (6), pp.1583. ⟨10.3390/nu12061583⟩ Article dans une revue hal-02913539v1
ProgNet: COVID-19 Prognosis Using Recurrent and Convolutional Neural Networks Mohamed Fakhfakh,Bassem Bouaziz,Faiez Gargouri,Lotfi Chaari The Open Medical Imaging Journal, 2020, 12 (1), pp.11-12. ⟨10.2174/1874347102012010011⟩ Article dans une revue hal-03161028v1
Unsupervised Bayesian change detection for remotely sensed images Walma Gharbi,Lotfi Chaari,Amel Benazza-Benyahia Signal, Image and Video Processing, 2020, 14, pp.1-8. ⟨10.1007/s11760-020-01738-9⟩ Article dans une revue hal-02950804v1
Bayesian sparse regularization for parallel MRI reconstruction using Complex Bernoulli-Laplace mixture priors Siwar Chaabene,Lotfi Chaari,Abdelaziz Kallel Signal, Image and Video Processing, 2019, 14, pp.445-453. ⟨10.1007/s11760-019-01567-5⟩ Article dans une revue hal-02950816v1
A Bayesian grouplet transform Lotfi Chaari Signal, Image and Video Processing, 2019, 13 (5), pp.871-878. ⟨10.1007/s11760-019-01423-6⟩ Article dans une revue hal-02932319v1
A Bayesian Non-Parametric Hidden Markov Random Model for Hemodynamic Brain Parcellation Mohanad Albughdadi,Lotfi Chaari,Jean-Yves Tourneret,Florence Forbes,Philippe Ciuciu Signal Processing, 2017, 135, pp.132-146. ⟨10.1016/j.sigpro.2017.01.005⟩ Article dans une revue hal-01426385v1
Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification Andrea Laruelo,Lotfi Chaari,Jean-Yves Tourneret,Hadj Batatia,Soleakhena Kenet al. NMR in Biomedicine, 2016, 129 (7), pp.918-931. ⟨10.1002/nbm.3532⟩ Article dans une revue hal-01381730v1
A hamiltonian Monte Carlo method for non-smooth energy sampling Lotfi Chaari,Jean-Yves Tourneret,Caroline Chaux,Hadj Batatia IEEE Transactions on Signal Processing, 2016, vol. 64 (n° 21), pp. 5585-5594. ⟨10.1109/TSP.2016.2585120⟩ Article dans une revue hal-01376544v1
Sparse EEG Source Localization Using Bernoulli Laplacian Priors Facundo Hernan Costa,Hadj Batatia,Lotfi Chaari,Jean-Yves Tourneret IEEE Transactions on Biomedical Engineering, 2015, 62 (12), pp.2888-2898. ⟨10.1109/TBME.2015.2450015⟩ Article dans une revue hal-01261357v1
Flexible multivariate hemodynamics fMRI data analyses and simulations with PyHRF Thomas Vincent,Solveig Badillo,Laurent Risser,Lotfi Chaari,Christine Bakhouset al. Frontiers in Neuroscience, 2014, Brain Imaging methods (eCollection 2014), 8 (Article 67), pp.23. ⟨10.3389/fnins.2014.00067⟩ Article dans une revue hal-01084249v1
Spatio-temporal wavelet regularization for parallel MRI reconstruction: application to functional MRI Lotfi Chaari,Philippe Ciuciu,Sébastien Mériaux,Jean-Christophe Pesquet Magnetic Resonance Materials in Physics, Biology and Medicine, 2014, 27 (6), pp.41. ⟨10.1007/s10334-014-0436-5⟩ Article dans une revue hal-01084324v1
Towards Accurate and Robust MRSI Quantification to Improve the Radiation Therapy Treatment of GBM Andrea Laruelo,T. Fecher,Lotfi Chaari,Soleakhena Ken,Ben Rowlandet al. International Journal of Radiation Oncology, Biology, Physics, 2014, vol. 90 (n° 1 suppl), pp. S793. ⟨10.1016/j.ijrobp.2014.05.2292⟩ Article dans une revue hal-01485017v1
Fast joint detection-estimation of evoked brain activity in event-related fMRI using a variational approach Lotfi Chaari,Thomas Vincent,Florence Forbes,Michel Dojat,Philippe Ciuciu IEEE Transactions on Medical Imaging, 2013, 32 (5), pp.821-837. ⟨10.1109/TMI.2012.2225636⟩ Article dans une revue inserm-00753873v1
OPTIMED : Optimisation itérative pour la résolution de problèmes inverses de grande taille Lotfi Chaâri,Emilie Chouzenoux,Nelly Pustelnik,Caroline Chaux,Saïd Moussaoui Traitement du Signal, 2011, 28 (3-4), pp.329-374 Article dans une revue hal-00733443v1
A wavelet-based regularized reconstruction algorithm for SENSE parallel MRI with applications to neuroimaging Lotfi Chaari,Jean-Christophe Pesquet,Amel Benazza-Benyahia,Philippe Ciuciu Medical Image Analysis, 2011, 15 (2), pp.185--201. ⟨10.1016/j.media.2010.08.001⟩ Article dans une revue istex hal-00692260v1
A Hierarchical Bayesian Model for Frame Representation Lotfi Chaari,Jean-Christophe Pesquet,Jean-Yves Tourneret,Philippe Ciuciu,Amel Benazza-Benyahia IEEE Transactions on Signal Processing, 2010, 58 (11), pp.5560--5571. ⟨10.1109/TSP.2010.2055562⟩ Article dans une revue hal-00692261v1

Communication dans un congrès (53)

TRACT : A Transformer and Statistical Framework for Anomaly Detection in Multivariate Non-stationary Time Series Ibrahim Traore,Imen Megdiche,Jerome Marquet-Doléac,Lotfi Chaari the 18th International Conference on Agents and Artificial Intelligence, Mar 2026, Marbella, Spain Communication dans un congrès hal-05403848v1
A Multi-LLM Agent System for Modular Ontology Population: A Case Study on ADHD Ibrahim Traore,Yassine Belmabrouk,Imen Megdiche,Abdel-Rahman H. Tawil,Jerome Marquet-Doléacet al. International Conference on Agents and Artificial Intelligence (ICAART 2026), Mar 2026, Marbella, Spain Communication dans un congrès hal-05427201v1
A Semantic Framework for the Contextual Interpretation of ADHD Symptom Manifestations Ibrahim Traore,Abdel-Rahman H. Tawil,Konstantinos Vlachos,Imen Megdiche,Jérôme Marquet-Doléacet al. The Thirteenth International Conference on Knowledge Capture (K-CAP 2025), Dec 2025, Dayton, Ohio, United States. pp.119-122, ⟨10.1145/3731443.3771356⟩ Communication dans un congrès hal-05403830v1
AgriPotential: A Novel Multi-Spectral and Multi-Temporal Remote Sensing Dataset for Agricultural Potentials Mohammad El Sakka,Caroline de Pourtales,Lotfi Chaari,Josiane Mothe 2025 IEEE International Conference on Content-Based Multimedia Indexing (CBMI 2025), Oct 2025, Dublin, Ireland Communication dans un congrès hal-05392441v1
A Hybrid Deep Learning and Ontology-Based Framework for Contextual Hyperactivity Detection in Children with ADHD Ibrahim Traore,Imen Megdiche,Jerome Marquet-Doléac,Lotfi Chaari 14th International Conference on Model and Data Engineering (MEDI 2025), Nov 2025, CAIRE, Egypt Communication dans un congrès hal-05403795v1
Inférence bayésienne pour l'estimation des paramètres des erreurs de reconstruction à l'aide d'une distribution gamma multivariée Ibrahim Traore,Imen Megdiche,Jerome Marquet-Doléac,Lotfi Chaari XXXe Colloque Francophone de Traitement du Signal et des Images (GRETSI’25), Aug 2025, STRASBOURG, France Communication dans un congrès hal-05403949v1
Attack originality detector using machine learning Charlotte Millan,Lotfi Chaari,Eric Gilbert Attack originality detector using machine learning, Feb 2025, Bologna, Italy Communication dans un congrès hal-05043545v1
MDE in the Era of Generative AI Ahmed Alaoui Mdaghri,Meriem Ouederni,Lotfi Chaari International Conference on Verification and Evaluation of Computer and Communication Systems, Oct 2024, Djerba, Tunisia. pp.113-127, ⟨10.1007/978-3-031-85356-2_8⟩ Communication dans un congrès hal-05043533v1
SENET-D: Efficient Semantic Segmentation for RGB-Depth food images Thierry Roland Baban a Erep,Lotfi Chaari,Pierre Ele,Eugène Sobngwi 34th IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2024), MLSP Technical Committee of the IEEE Signal Processing Society, Sep 2024, London, United Kingdom. à paraître Communication dans un congrès hal-04706424v1
BAYESIAN SPARSE MODEL FOR COMPLEX-VALUED MAGNETIC RESONANCE SPECTROSCOPY RESTORATION Wafae Labriji,Soléakhéna Ken,Gaelle Dormio,Jean-Yves Tourneret,Elizabeth Moyal Cohen-Jonathanet al. 2024 IEEE International Symposium on Biomedical Imaging, May 2024, Athens, Greece. ⟨10.1109/ISBI56570.2024.10635294⟩ Communication dans un congrès hal-04732385v1
Fully automatic Bayesian method for trainable activation function and deep neural networks Mohamed Fakhfakh,Lotfi Chaari 32nd European Signal Processing Conference (EUSIPCO 2024), EURASIP: European Association for Signal Processing, Aug 2024, Lyon, France. pp.1551--1555 Communication dans un congrès hal-04706413v1
Robust analysis and spectral-based deep learning to detect driving fatigue from EEG signals Antonio Quintero-Rincón,Lotfi Chaâri,Hadj Batatia International Conference on Technology Innovations for Healthcare (ICTIH 2022), Sep 2022, Magdeburg, Germany. pp.1-6, ⟨10.1109/ICTIH57289.2022.10111943⟩ Communication dans un congrès hal-04209476v1
A cross-validation approach for classifying physical activity intensity: a case study in children with attention deficit/hyperactivity disorder Ibrahim Traoré,Imen Megdiche,Jérôme Marquet-Doleac,Lotfi Chaari 20th ACS/IEEE International Conference on Computer Systems and Applications (AICCSA 2023), IEEE, Dec 2023, Giza, Egypt. pp.1-8, ⟨10.1109/AICCSA59173.2023.10479317⟩ Communication dans un congrès hal-04414203v1
How AI can advance MDE ? Lotfi Chaâri,Willem Nicolas,Mohamad Suhairi Subhi,Akina Renard,Gabriela Maria Garcia-Romeroet al. 3rd International Conference on Intelligent Systems and Pattern Recognition (ISPR 2023), May 2023, Hammamet, Tunisia. à paraître Communication dans un congrès hal-04338171v1
Early mild cognitive impairment detection using cognitive-motor tasks and machine learning Siwar Chaabene,Bassem Bouaziz,Amal Boudaya,Lotfi Chaari,Anita Hökelmann International Conference on Innovations in Intelligent Systems and Applications (INISTA 2023), Sep 2023, Hammamet, Tunisia. pp.1-6, ⟨10.1109/INISTA59065.2023.10310653⟩ Communication dans un congrès hal-04338190v1
New MCI Detection Method Based on Transformer and EEG Data Siwar Chaabene,Brahim Haroun Hassan,Amal Boudaya,Lotfi Chaâri,Bassem Bouaziz 31st European Signal Processing Conference (EUSIPCO 2023), Sep 2023, Helsinki, Finland. pp.1200-1204, ⟨10.23919/EUSIPCO58844.2023.10290024⟩ Communication dans un congrès hal-04338180v1
A machine learning technique for device non-wear detection in children with ADHD Ibrahim Traoré,Imen Megdiche,Jérôme Marquet-Doleac,Lotfi Chaâri International Workshop on Health Informatics @ AICCSA 2023: IT Innovations and Disruptive Approaches in the Digital Health Era (HOPE 2023), ACS/IEEE International Conference on Computer Systems and Applications, Dec 2023, Giza, Egypt Communication dans un congrès hal-04338230v1
MCI identification based on EEG signals during a cognitive test Amal Boudaya,Siwar Chaabene,Bassem Bouaziz,Anita Hökelmann,Lotfi Chaâri International Conference on Technology Innovations for Healthcare (ICTIH 2022), Sep 2022, Magdeburg, Germany. pp.68-73, ⟨10.1109/ICTIH57289.2022.10112022⟩ Communication dans un congrès hal-04209477v1
Bayesian Optimization Using Hamiltonian Dynamics for Sparse Artificial Neural Networks Mohamed Fakhfakh,Bassem Bouaziz,Faïez Gargouri,Lotfi Chaâri 19th International Symposium on Biomedical Imaging (ISBI 2022), IEEE Signal Processing Society (SPS); IEEE Engineering in Medicine and Biology Society (EMBS), Mar 2022, Kolkata, India. pp.1-4, ⟨10.1109/ISBI52829.2022.9761469⟩ Communication dans un congrès hal-03858776v1
Physiological/Non-physiological artifacts classification using EEG signals based on CNN Amal Boudaya,Siwar Chaabene,Bassem Bouaziz,Hela Zouari,Sana Ben Jemeaet al. 2022 International Conference on Technology Innovations for Healthcare (ICTIH), Sep 2022, Magdeburg, France. pp.26-29, ⟨10.1109/ICTIH57289.2022.10112088⟩ Communication dans un congrès hal-04753431v1
Efficient Bayesian Learning of Sparse Deep Artificial Neural Networks Mohamed Fakhfakh,Bassem Bouaziz,Lotfi Chaâri,Faiez Gargouri 20th International Symposium on Symposium on Intelligent Data Analysis (IDA 2022), Apr 2022, Rennes, France. pp.78-88, ⟨10.1007/978-3-031-01333-1_7⟩ Communication dans un congrès hal-03788529v1
Bayesian optimization for artificial neural networks: application to Covid-19 image classification Mohamed Fakhfakh,Bassem Bouaziz,Faiez Gargouri,Lotfi Chaari 2022 International Conference on Technology Innovations for Healthcare (ICTIH), Sep 2022, Magdeburg, France. pp.34-37, ⟨10.1109/ICTIH57289.2022.10112015⟩ Communication dans un congrès hal-04753469v1
Drowsiness Detection Using Joint EEG-ECG Data With Deep Learning Guillaume Geoffroy,Lotfi Chaari,Jean-Yves Tourneret,Herwig Wendt 29th European Signal Processing Conference (EUSIPCO 2021), Aug 2021, Dublin, Ireland Communication dans un congrès hal-03381946v1
EEG-based Hypo-vigilance detection using convolutional neural network Amal Boudaya,Bassem Bouaziz,Siwar Chaabene,Lotfi Chaari,Achraf Ammaret al. 18th International Conference Smart Homes and Health Telematics (ICOST 2020), Jun 2020, Hammamet, Tunisia. pp.69-78 Communication dans un congrès hal-02947739v1
Lentigo detection using a deep learning approach Sana Zorgui,Siwar Chaabene,Hadj Batatia,Lotfi Chaari International Conference On Smart Living and Public Health (ICOST 2020), Jun 2020, Hammamet, Tunisia. pp.1-5, ⟨10.1007/978-3-030-51517-1_8⟩ Communication dans un congrès hal-02968415v1
Joint Bayesian Hyperspectral Unmixing for change detection Walma Gharbi,Lotfi Chaari,Amel Benazza-Benyahia Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS 2020), Mar 2020, Tunis, Tunisia. pp.37-40, ⟨10.1109/M2GARSS47143.2020.9105275⟩ Communication dans un congrès hal-02942312v1
A sleep monitoring method with EEG signals Yessrine Abichou,Siwar Chaabene,Lotfi Chaari International Conference on Digital Health Technologies (ICDHT), Dec 2019, Hammamet, Tunisia. pp.1-8 Communication dans un congrès hal-02938626v1
A Plug and Play Bayesian Algorithm for Solving Myope Inverse Problems Lotfi Chaari,Jean-Yves Tourneret,Hadj Batatia 26th European Signal and Image Processing Conference (EUSIPCO 2018), Sep 2018, Rome, Italy. pp.737-741 Communication dans un congrès hal-03634930v1
Sparse Bayesian pMRI Reconstruction With Complex Bernoulli-Laplace Mixture Priors Siwar Chaabene,Lotfi Chaari,Abdelaziz Kallel 4th IEEE Middle East Conference on Biomedical Engineering (MECBME 2018), Mar 2018, Tunis, Tunisia. pp.193-197 Communication dans un congrès hal-02947757v1
Robust lane Extraction using Two-Dimension Declivity Mohamed Fakhfakh,Nizar Fakhfakh,Lotfi Chaari 17th International Conference on Artificial Intelligence and Soft Computing (ICAISC), Jun 2018, Zakopane, Poland. pp.14-24, ⟨10.1007/978-3-319-91262-2_2⟩ Communication dans un congrès hal-02938620v1
Bayesian compressed sensing for IoT : application to EEG recording Itebeddine Ghorbel,Walma Gharbi,Lotfi Chaari,Amel Benazza-Benyahia 1st International Conference on Digital Health Technologies - ICDHT 2018, Oct 2018, Sfax, Tunisia. pp.53-60 Communication dans un congrès hal-03033971v1
A general non-smooth Hamiltonian Monte Carlo scheme using Bayesian proximity operator calculation Lotfi Chaari,Jean-Yves Tourneret,Hadj Batatia 25th European Signal and Image Processing Conference (EUSIPCO 2017), European Association for Signal Processing (EURASIP), Aug 2017, Kos Island, Greece. pp.1220-1224, ⟨10.23919/EUSIPCO.2017.8081402⟩ Communication dans un congrès hal-03120308v1
Improving Spacecraft Health Monitoring with Automatic Anomaly Detection Techniques Sylvain Fuertes,Gilles Picart,Jean-Yves Tourneret,Lotfi Chaari,André Ferrariet al. 14th International Conference on Space Operations (SpaceOps 2016), May 2016, Daejeon, South Korea. pp. 1 Communication dans un congrès hal-01490731v1
MRSI data unmixing using spatial and spectral priors in transformed domains Andrea Laruelo,Lotfi Chaari,Soleakhena Ken,Jean-Yves Tourneret,Hadj Batatiaet al. 13th IEEE International Symposium on Biomedical Imaging: From Nano to Macro (ISBI 2016), Apr 2016, Prague, Czech Republic. pp. 952-955 Communication dans un congrès hal-01491210v1
Adaptive Mean Shift Based Hemodynamic Brain Parcellation in fMRI Mohanad Albughdadi,Lotfi Chaari,Jean-Yves Tourneret 7th International Conference on Medical Imaging and Augmented Reality (MIAR 2016), Aug 2016, Bern, Switzerland. pp. 247-258 Communication dans un congrès hal-01466644v1
Multi-subject joint parcellation detection estimation in functional MRI Mohanad Albughdadi,Lotfi Chaari,Florence Forbes,Jean-Yves Tourneret,Philippe Ciuciu 13th IEEE International Symposium on Biomedical Imaging, Apr 2016, Prague, Czech Republic. pp.74-77, ⟨10.1109/ISBI.2016.7493214⟩ Communication dans un congrès hal-01261982v1
Probability map prediction of relapse areas in glioblastoma patients using multi-parametric MR Andrea Laruelo,Jose Dolz,Soleakhena Ken,Lotfi Chaari,Maximilien Vermandelet al. ESTRO 35 Radiotherapy and Oncology, Apr 2016, Turin, Italy. pp.S226-S227 Communication dans un congrès hal-01471037v1
Sparse signal recovery using a Bernoulli generalized Gaussian prior Lotfi Chaari,Jean-Yves Tourneret,Caroline Chaux EUSIPCO 2015 23rd European Signal Processing Conference, Aug 2015, Nice, France. ⟨10.1109/EUSIPCO.2015.7362676⟩ Communication dans un congrès hal-01278488v1
Model Selection for Hemodynamic Brain Parcellation in fMRI Mohanad Albughdadi,Lotfi Chaari,Florence Forbes,Jean-Yves Tourneret,Philippe Ciuciu EUSIPCO - 22nd European Signal Processing Conference, Sep 2014, Lisbon, Portugal. pp.31 - 35 Communication dans un congrès hal-01107475v1
Sparse Bayesian Image Restoration with Linear Operator Uncertainties with Application to EEG Signal Recovery Lotfi Chaari,Hadj Batatia,Jean-Yves Tourneret 2nd IEEE Middle East Conference on Biomedical Engineering (MECBME 2014), Feb 2014, Doha, Qatar. pp.139--142, ⟨10.1109/MECBME.2014.6783225⟩ Communication dans un congrès hal-03224142v1
A hierarchical sparsity-smoothness Bayesian model for ℓ0 + ℓ1 + ℓ2 regularization Lotfi Chaari,Hadj Batatia,Nicolas Dobigeon,Jean-Yves Tourneret IEEE International Conference on Acoustics, Speech, and Signal Processing - ICASSP 2014, May 2014, Florence, Italy. pp. 1901-1905 Communication dans un congrès hal-01147247v1
Hybrid Sparse Regularization for Magnetic Resonance Spectroscopy Andrea Laruelo,Lotfi Chaari,Hadj Batatia,Soleakhena Ken,Ben Rowlandet al. IEEE Engineering in Medicine and Biology Society Conference - EMBC 2013, Jul 2013, Osaka, Japan. pp. 6768-6771 Communication dans un congrès hal-01148277v1
Parcel-free Joint Detection-Estimation in fMRI Lotfi Chaari,Florence Forbes,Thomas Vincent 44e Journées de Statistique, Société Française de Statistique, May 2012, Bruxelles, Belgium Communication dans un congrès hal-00780084v1
Sélection de variables dans un cadre Bayésien de traitement de données d'IRM fonctionnelle Christine Bakhous,Florence Forbes,Thomas Vincent,Lotfi Chaari,Michel Dojatet al. 44e Journées de Statistique, Société Française de Statistique, May 2012, Bruxelles, Belgique Communication dans un congrès hal-00780088v1
Hemodynamic-informed parcellation of fMRI data in a Joint Detection Estimation framework Lotfi Chaari,Florence Forbes,Thomas Vincent,Philippe Ciuciu MICCAI 2012 - 15th International Conference on Medical Image Computing and Computer-Assisted Intervention, Oct 2012, Nice, France. pp.180-188, ⟨10.1007/978-3-642-33454-2_23⟩ Communication dans un congrès hal-00859388v1
Adaptive experimental condition selection in event-related fMRI Christine Bakhous,Florence Forbes,Thomas Vincent,Lotfi Chaari,Michel Dojatet al. ISBI 2012 - IEEE International Symposium on Biomedical Imaging, May 2012, Barcelone, Spain. pp.1755-1758, ⟨10.1109/ISBI.2012.6235920⟩ Communication dans un congrès cea-00710489v1
Robust voxel-wise Joint Detection Estimation of Brain Activity in fMRI Lotfi Chaari,Florence Forbes,Thomas Vincent,Philippe Ciuciu ICIP 2012 - 19th IEEE International Conference on Image Processing, Sep 2012, Orlando, United States. pp.1273-1276, ⟨10.1109/ICIP.2012.6467099⟩ Communication dans un congrès hal-00859386v1
A Variational Bayesian approach for the Joint Detection Estimation of Brain Activity in functional MRI Lotfi Chaari,Florence Forbes,Philippe Ciuciu,Michel Dojat 43èmes Journées de Statistique, Société Française de Statistique (SFdS), May 2011, Tunis, Tunisia Communication dans un congrès hal-00780559v1
Bayesian variational approximation for the joint detection estimation of brain activity in fMRI Lotfi Chaari,Florence Forbes,Philippe Ciuciu,Thomas Vincent,Michel Dojat SSP 2011 - IEEE Statistical Signal Processing Workshop, Jun 2011, Nice, France. pp.469-472, ⟨10.1109/SSP.2011.5967734⟩ Communication dans un congrès hal-00780506v1
Variational solution to the joint detection estimation of brain activity in fMRI Lotfi Chaari,Florence Forbes,Thomas Vincent,Michel Dojat,Philippe Ciuciu MICCAI 2011 - 14th International Conference on Medical Image Computing and Computer-Assisted Intervention, Sep 2011, Toronto, Canada. pp.260-268, ⟨10.1007/978-3-642-23629-7_32⟩ Communication dans un congrès inserm-00635384v1
A hierarchical Bayesian model for frame representation Lotfi Chaari,Jean-Christophe Pesquet,Jean-Yves Tourneret,Philippe Ciuciu,Amel Benazza-Benyahia IEEE International Conference Acoustics, Speech, and Signal (ICASSP), Mar 2010, Dallas, USA, France. pp.4086-4089 Communication dans un congrès hal-00853350v1
Solving inverse problems with overcomplete transforms and convex optimization techniques Lotfi Chaari,Nelly Pustelnik,Caroline Chaux,Jean-Christophe Pesquet SPIE, Aug 2009, San Diego, California, United States Communication dans un congrès hal-00826119v1
Minimization of a sparsity promoting criterion for the recovery of complex-valued signals Lotfi Chaâri,Jean-Christophe Pesquet,Amel Benazza-Benyahia,Philippe Ciuciu SPARS'09 - Signal Processing with Adaptive Sparse Structured Representations, Inria Rennes - Bretagne Atlantique, Apr 2009, Saint Malo, France Communication dans un congrès inria-00369590v1

Poster de conférence (3)

2965 Voxel-Based Analysis for Predicting Recurrence in Post-Operative Glioblastoma Using Magnetic Resonance Spectroscopy Imaging: Beyond the Cho/NAA Ratio Wafae Labriji,Jean-Yves Tourneret,Elizabeth Moyal Cohen-Jonathan,Lotfi Chaari,Soléakhéna Ken ESTRO 2025, May 2025, Vienne, Austria. Radiotherapy and Oncology, 206 (supplément 1), pp.S3806-S3808, 2025, ⟨10.1016/S0167-8140(25)01401-X⟩ Poster de conférence hal-05558885v1
Performance of three parallel MRI reconstruction methods in the presence of coil sensitivity map errors Lotfi Chaâri,Philippe Ciuciu,Amel Benazza-Benyahia,Jean-Christophe Pesquet Poster session of International Society for Magnetic Resonance in Medicine Meeting (ISMRM'10), Apr 2010, France. pp.1, 2010 Poster de conférence hal-00621936v1
Wavelet based parallel MRI regularization using bivariate sparsity promoting priors Lotfi Chaâri,Amel Benazza-Benyahia,Jean-Christophe Pesquet,Philippe Ciuciu Poster session of IEEE International Conference on Image Processing (ICIP'09), 2009, France. 10pp., 2009 Poster de conférence hal-00621935v1

Ouvrages (1)

Digital Health Approach for Predictive, Preventive, Personalised and Participatory Medicine Lotfi Chaari Springer, 10, pp.XVI, 88, 2019, Advances in Predictive, Preventive and Personalised Medicine, 978-3-030-11799-3. ⟨10.1007/978-3-030-11800-6⟩ Ouvrages hal-02976657v1

Chapitre d'ouvrage (5)

Consolidated Clinical Document Architecture: Analysis and Evaluation to Support the Interoperability of Tunisian Health Systems Dhafer Ben Ali,Itebeddine Ghorbel,Nebras Gharbi,Kais Belhaj Hmida,Faiez Gargouriet al. Digital Health Approach for Predictive, Preventive, Personalised and Participatory Medicine, 10, Springer International Publishing, pp.43-52, 2019, Advances in Predictive, Preventive and Personalised Medicine (APPPM), 978-3-030-11799-3. ⟨10.1007/978-3-030-11800-6_5⟩ Chapitre d'ouvrage hal-04495556v1
Joint Detection-Estimation in Functional MRI Philippe Ciuciu,Florence Forbes,Thomas Vincent,Lotfi Chaari Jean-François Giovannelli; Jérôme Idier. Regularization and Bayesian Methods for Inverse Problems in Signal and Image Processing, John Wiley and Sons, pp.169-200, 2015, 978-1-84821-637-2. ⟨10.1002/9781118827253.ch7⟩ Chapitre d'ouvrage hal-01254177v1
Exploiting MRSI data properties to improve quantication Andrea Laruelo,Lotfi Chaari,Hadj Batatia,Ben Rowland,Soleakhena Kenet al. Massoptier, Laurent; Song, Yu. Multimodal imaging towards individualized radiotherapy treatments, 9, AQUILAB Lille, pp.63--68, 2014 Chapitre d'ouvrage hal-03266932v1
Magnetic resonance spectroscopic data processing Andrea Laruelo,Lotfi Chaari,Hadj Batatia,Ben Rawland,Soleakhena Kenet al. Massoptier, Laurent; Viard, Romain. Innovative imaging to improve radiotherapy treatments, 15, Lulu Enterprises Inc, pp.91--96, 2014, 978-1291604177 Chapitre d'ouvrage hal-03266931v1
Détection-estimation conjointe en IRM fonctionnelle Philippe Ciuciu,Florence Forbes,Thomas Vincent,Lotfi Chaari Jean-François Giovannelli and Jérôme Idier. Méthodes d'inversion appliquées au traitement du signal et de l'image, Hermès, 2013 Chapitre d'ouvrage hal-00823455v1

Brevet (2)

Method for performing parallel magnetic resonance imaging Lotfi Chaari,Sébastien Mériaux,Philippe Ciuciu,Jean-Christophe Pesquet France, Patent n° : PCT/IB2011/002330. 2012 Brevet hal-00843491v1
Spatio-temporal regularized reconstruction for parallel MRI acquisition systems Chaari Lotfi,Jean-Christophe Pesquet,Philippe Ciuciu,Sébastien Mériaux France, Patent n° : PCT/IB2011/002330. 2012 Brevet hal-00844111v1

Pré-publication, Document de travail (5)

Mild cognitive impairment detection based on EEG and HRV data Amal Boudaya,Siwar Chaabene,Bassem Bouaziz,Anita Hökelmann,Lotfi Chaâri 2024 Pré-publication, Document de travail (preprint/prepublication) hal-04430766v1
A Hamiltonian Monte Carlo Method for Non-Smooth Energy Sampling Lotfi Chaari,Jean-Yves Tourneret,Caroline Chaux,Hadj Batatia 2016 Pré-publication, Document de travail hal-01291840v1
Hemodynamic Brain Parcellation Using A Non-Parametric Bayesian Approach Mohanad Albughdadi,Lotfi Chaari,Jean-Yves Tourneret,Florence Forbes,Philippe Ciuciu 2016 Pré-publication, Document de travail hal-01275622v1
Subject-level Joint Parcellation-Detection-Estimation in fMRI Lotfi Chaari,Solveig Badillo,Thomas Vincent,Ghislaine Dehaene-Lambertz,Florence Forbeset al. 2016 Pré-publication, Document de travail hal-01255465v1
Hemodynamic-Informed Parcellation of fMRI Data in a Joint Detection Estimation Framework Lotfi Chaari,Solveig Badillo,Thomas Vincent,Ghislaine Dehaene-Lambertz,Florence Forbeset al. 2015 Pré-publication, Document de travail hal-01228007v1

Thèse (1)

Parallel magnetic resonance imaging reconstruction problems using wavelet representations Lotfi Chaari Modeling and Simulation. Université Paris-Est, 2010. English. ⟨NNT : 2010PEST1010⟩ Thèse tel-00575136v2