Lotfi Chaari

Professeur des universités à Toulouse INP
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Publications

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-05043513v1

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

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
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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 Chtourou et 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 Boukhris et 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 Ammar et 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 Chtourou et al.

Biology of Sport, 2021, 38 (4), pp.495-506. ⟨10.5114/biolsport.2021.101605⟩

Article dans une revue hal-04753466v1
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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

Psychological consequences of COVID-19 home confinement: The ECLB-COVID19 multicenter study

Achraf Ammar , Patrick Mueller , Khaled Trabelsi , Hamdi Chtourou , Omar Boukhris et al.

PLoS ONE, 2020, 15 (11), pp.e0240204. ⟨10.1371/journal.pone.0240204⟩

Article dans une revue hal-04753459v1

COVID-19 Home Confinement Negatively Impacts Social Participation and Life Satisfaction: A Worldwide Multicenter Study

Achraf Ammar , Hamdi Chtourou , Omar Boukhris , Khaled Trabelsi , Liwa Masmoudi et al.

International Journal of Environmental Research and Public Health, 2020, 17 (17), pp.6237. ⟨10.3390/ijerph17176237⟩

Article dans une revue hal-04753445v1
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Covid-19 pandemic by the "real-time" 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
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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 Boukhris et al.

Nutrients, 2020, 12 (6), pp.1583. ⟨10.3390/nu12061583⟩

Article dans une revue hal-02913539v1
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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

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
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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
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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
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Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification

Andrea Laruelo , Lotfi Chaari , Jean-Yves Tourneret , Hadj Batatia , Soleakhena Ken et al.

NMR in Biomedicine, 2016, 129 (7), pp.918-931. ⟨10.1002/nbm.3532⟩

Article dans une revue hal-01381730v1
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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
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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
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Flexible multivariate hemodynamics fMRI data analyses and simulations with PyHRF

Thomas Vincent , Solveig Badillo , Laurent Risser , Lotfi Chaari , Christine Bakhous et 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
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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 Rowland et 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
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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
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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

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-Doléac et al.

International Conference on Agents and Artificial Intelligence (ICAART 2026), Mar 2026, Marbella, Spain

Communication dans un congrès hal-05427201v1

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

A Semantic Framework for the Contextual Interpretation of ADHD Symptom Manifestations

Ibrahim Traore , Abdel-Rahman H. Tawil , Konstantinos Vlachos , Imen Megdiche , Jérôme Marquet-Doléac et 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
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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

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

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
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BAYESIAN SPARSE MODEL FOR COMPLEX-VALUED MAGNETIC RESONANCE SPECTROSCOPY RESTORATION

Wafae Labriji , Soléakhéna Ken , Gaelle Dormio , Jean-Yves Tourneret , Elizabeth Moyal Cohen-Jonathan et al.

2024 IEEE International Symposium on Biomedical Imaging, May 2024, Athens, Greece. ⟨10.1109/ISBI56570.2024.10635294⟩

Communication dans un congrès hal-04732385v1

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
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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

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
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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

How AI can advance MDE ?

Lotfi Chaâri , Willem Nicolas , Mohamad Suhairi Subhi , Akina Renard , Gabriela Maria Garcia-Romero et 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
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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 Jemea et 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

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

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
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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
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EEG-based Hypo-vigilance detection using convolutional neural network

Amal Boudaya , Bassem Bouaziz , Siwar Chaabene , Lotfi Chaari , Achraf Ammar et al.

18th International Conference Smart Homes and Health Telematics (ICOST 2020), Jun 2020, Hammamet, Tunisia. pp.69-78

Communication dans un congrès hal-02947739v1
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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
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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
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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
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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
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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
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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
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Improving Spacecraft Health Monitoring with Automatic Anomaly Detection Techniques

Sylvain Fuertes , Gilles Picart , Jean-Yves Tourneret , Lotfi Chaari , André Ferrari et al.

14th International Conference on Space Operations (SpaceOps 2016), May 2016, Daejeon, South Korea. pp. 1

Communication dans un congrès hal-01490731v1
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MRSI data unmixing using spatial and spectral priors in transformed domains

Andrea Laruelo , Lotfi Chaari , Soleakhena Ken , Jean-Yves Tourneret , Hadj Batatia et 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
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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
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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
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Probability map prediction of relapse areas in glioblastoma patients using multi-parametric MR

Andrea Laruelo , Jose Dolz , Soleakhena Ken , Lotfi Chaari , Maximilien Vermandel et al.

ESTRO 35 Radiotherapy and Oncology, Apr 2016, Turin, Italy. pp.S226-S227

Communication dans un congrès hal-01471037v1
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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
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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
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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
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Hybrid Sparse Regularization for Magnetic Resonance Spectroscopy

Andrea Laruelo , Lotfi Chaari , Hadj Batatia , Soleakhena Ken , Ben Rowland et 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 Dojat et al.

44e Journées de Statistique, Société Française de Statistique, May 2012, Bruxelles, Belgique

Communication dans un congrès hal-00780088v1
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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
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Adaptive experimental condition selection in event-related fMRI

Christine Bakhous , Florence Forbes , Thomas Vincent , Lotfi Chaari , Michel Dojat et 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
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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
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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
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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
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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

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

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

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 Gargouri et 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 Ken et 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 Ken et 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