Pierre Fayolle, Alexandre Bône, Noëlie Debs, Mathieu Naudin, Pascal Bourdon, et al.. Physics-Informed Autoencoder for DSC-MRI Perfusion Post-Processing: Application to Glioma Grading. International Symposium on Biomedical Imaging (ISBI 2025), Institute of Electrical and Electronics Engineers (IEEE), Apr 2025, Houston (Texas), United States. ⟨hal-04872430⟩
Martin Valls, Pascal Bourdon, Christine Fernandez-Maloigne, Guillaume Herpe, David Helbert. Modèle de Diffusion avec Pont Brownien pour la translation d'image cérébrale. Colloque français d'intelligence artificielle en imagerie biomédicale (IABM 2025), Mar 2025, Nice, France. ⟨hal-04896876⟩
Benjamin Gobé, Jérémy Saucourt, Maksym Shpakovych, Geoffrey Maulion, David Helbert, et al.. Machine learning method to measure the transmission matrix of a multimode optical fiber without reference beam for 3D beam tailoring. Photonic West 2024 : Laser Resonators, Microresonators, and Beam Control XXVI, SPIE, Jan 2024, San Francisco, CA, United States. pp.128710F, ⟨10.1117/12.3001422⟩. ⟨hal-04245837⟩
Huy Do, Pascal Bourdon, David Helbert, Remy Guillevin. Contrast enhanced MRI synthesis on glioma subjects using generative adversarial networks. Seventh International Conference on Advances in Biomedical Engineering (ICABME 2023), Oct 2023, Beirut, Lebanon. pp.70-74, ⟨10.1109/ICABME59496.2023.10293027⟩. ⟨hal-03861011⟩
Benjamin Gobé, Maksym Shpakovych, Jérémy Saucourt, Geoffrey Maulion, Fabert Marc, et al.. Apprentissage automatique et recouvrement de phase pour le contrôle de l’émission d’une fibre multimodale. Journées nationales d'optique guidée (JNOG), Société française d'optique (SFO), Apr 2023, Lyon, France. ⟨hal-04541718⟩
Damien Boildieu, David Helbert, Amandine Magnaudeix, Philippe Leproux, Philippe Carré. Multivariate curve resolution with autoencoders for CARS microspectroscopy. Computational Imaging Conference, IS&T Electronic Imaging, Jan 2023, San Francisco, United States. ⟨hal-03831753⟩
Adrien Raison, Théo Biardeau, Pascal Bourdon, David Helbert. Face expressions understanding by geometrical characterization of deep human faces representation. Electronic Imaging, IS&T, Jan 2023, San Francisco (CA), United States. pp.292-1-292-6, ⟨10.2352/EI.2023.35.9.IPAS-292⟩. ⟨hal-03737727⟩
Adrien Raison, Pascal Bourdon, David Helbert. ScoreCAM GNN : une explication optimale des réseaux
profonds sur graphes. XXVIIIe Colloque GRETSI - Traitement du Signal et des Images, Sep 2022, Nancy, France. ⟨hal-03686265⟩
Wael Saideni, Fabien Courrèges, David Helbert, Jean-Pierre Cances. End-to-End Video Snapshot Compressive Imaging using Video Transformers. International Conference on Image Processing Theory, Tools and Applications (IPTA 2022), Apr 2022, Salzburg, Austria. ⟨10.1109/IPTA54936.2022.9784128⟩. ⟨hal-03593050⟩
Philippe Leproux, Damien Boildieu, Zakaniaina Rajaofara, David Helbert, Amandine Magnaudeix, et al.. Recent advances in cell and tissue imaging by multiplex CARS microspectroscopy. International conference on Laser Applications in Life Science, Apr 2022, Nancy, France. ⟨hal-03678603⟩
Wael Saideni, David Helbert, Fabien Courrèges, Jean Pierre Cances. A Novel Video Prediction Algorithm based on Robust Spatiotemporal Convolutional LongShort Term Memory. International Congress on Information and Communication Technology, Feb 2022, London, United Kingdom. ⟨10.1007/978-981-19-1610-6_17⟩. ⟨hal-03412403⟩
Yusuke Murakami, Shinichi Miyazaki, Damien Boildieu, Zakaniaina Rajaofara, David Helbert, et al.. Toward Whole Brain Label-free Molecular Imaging with Single-cell Resolution sing Ultra-broadband Multiplex CARS Microspectroscopy. SPIE Photonics West, Jan 2022, San Francisco, California, United States. pp.71, ⟨10.1117/12.2626342⟩. ⟨hal-03531147⟩
Alexandre Fenneteau, Pascal Bourdon, David Helbert, Christine Fernandez-Maloigne, Christophe N Habas, et al.. CNN for multiple sclerosis lesion segmentation: How many patients for a fully supervised method?. International Conference on Advances in Biomedical Engineering, Oct 2021, Wardanyeh, Lebanon. pp.30-33, ⟨10.1109/ICABME53305.2021.9604859⟩. ⟨hal-03335735⟩
Damien Boildieu, David Helbert, Champion E, Amandine Magnaudeix, Zakaniaina Rajaofara, et al.. CARSData: Data analysis and machine learning applied to CARS spectroscopy”. 3rd edition of the Σ-Tech Days. xplore the world of biomaterials with advanced photonics and artificial intelligence, Oct 2021, limoges, France. ⟨hal-03555137⟩
Adrien Raison, Pascal Bourdon, Christophe N Habas, David Helbert. Explicability in resting-state fMRI for gender classification. International Conference on Advances in Biomedical Engineering, Oct 2021, Wardanyeh, Lebanon. pp.5-8, ⟨10.1109/ICABME53305.2021.9604842⟩. ⟨hal-03335712⟩
Huy Quang Do, David Helbert, Pascal Bourdon, Mathieu Naudin, Carole Guillevin, et al.. 3T MRI super-resolution using 3D cycle-consistent generative adversarial network. International Conference on Advances in Biomedical Engineering, Oct 2021, Wardanyeh, Lebanon. pp.85-88, ⟨10.1109/ICABME53305.2021.9604810⟩. ⟨hal-03335726⟩
Alexandre Fenneteau, Pascal Bourdon, David Helbert, Christine Fernandez-Maloigne, Christophe N Habas, et al.. Siamese convolutional neural network for new multiple sclerosis lesion segmentation. MSSEG-2 challenge proceedings: Multiple sclerosis new lesions segmentation challenge using a data management and processing infrastructure. MICCAI 2021, Sep 2021, Strasbourg, France. ⟨hal-03359032⟩
Damien Boildieu, David Helbert, Eric Champion, Amandine Magnaudeix, Philippe Leproux, et al.. Segmentation integration in multivariate curve resolution applied to coherent anti-Stokes Raman scattering. Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Jun 2021, Munich, Germany. pp.jsiv_5_6, ⟨10.1109/CLEO/Europe-EQEC52157.2021.9541833⟩. ⟨hal-03191353⟩
Huy Quang Do, Pascal Bourdon, David Helbert, Mathieu Naudin, Rémy Guillevin. 7T MRI super-resolution with Generative Adversarial Network. IS&T Electronic Imaging 2021 Symposium, 2021, San Francisco, United States. ⟨10.2352/ISSN.2470-1173.2021.18.3DIA-106⟩. ⟨hal-03003045⟩
Alexandre Fenneteau, Pascal Bourdon, David Helbert, Christine Fernandez-Maloigne, Christophe N Habas, et al.. Apprentissage d’un CNN sur la segmentation des lésions de sclérose en plaques avec auto-supervision. RFIAP, Jun 2020, Vannes, France. ⟨hal-03541662⟩
Alexandre Fenneteau, Pascal Bourdon, David Helbert, Christine Fernandez-Maloigne, Christophe N Habas, et al.. Learning a CNN on multiple sclerosis lesion segmentation with self-supervision. 3D Measurement and Data Processing, IS&T Electronic Imaging 2020 Symposium, Jan 2020, San Francisco, United States. ⟨10.2352/ISSN.2470-1173.2020.17.3DMP-002⟩. ⟨hal-02378210⟩
Hong Nhung Pham, David Helbert, Pascal Bourdon, Philippe Carré. Image Registration for Biomedical Images on Irregular Grids. CORESA 2018 (COmpression et REprésentation des Signaux Audiovisuels, Nov 2018, Poitiers, France. ⟨hal-01897326⟩
Hong Nhung Pham, David Helbert, Pascal Bourdon, Philippe Carré. Spectral Graph Wavelet Based Nonrigid Image Registration. IEEE International Conference on Image Processing (ICIP 2018), Oct 2018, Athènes, Greece. ⟨10.1109/ICIP.2018.8451013⟩. ⟨hal-01786123⟩
Pascal Bourdon, David Helbert. A Data-Driven Approach to Feature Space Selection for Robust Micro-Endoscopic Image Reconstruction. IEEE International Conference on Image Processing (ICIP), Sep 2017, Beijing, China. pp.2239-2243, ⟨10.1109/ICIP.2017.8296680⟩. ⟨hal-01519837⟩
David Helbert, Mohamed Malek, Philippe Carré, Christine Fernandez-Maloigne, Nicolas Leveziel. Restoration of Confocal Images by Hypercomplex diffusion. ARVO Annual Meeting : Leading Eye and Vision Research (ARVO 2014), Association for Research in Vision and Ophthalmology (ARVO), May 2014, Orlando, United States. pp.4831 - B0207. ⟨hal-00949297⟩
Benjamin Béouche-Hélias, David Helbert, Bruno Mercier, Philippe Carré, Christine Fernandez-Maloigne, et al.. Automatic detection of the retinal neovascularization in diabetic patients.. ARVO 2014 Annual Meeting : Leading Eye and Vision Research, Association for Research in Vision and Ophthalmology (ARVO), May 2014, Orlando, United States. pp.207 - B0015. ⟨hal-00949305⟩
Sylvain Rousseau, David Helbert, Philippe Carré, Jacques Blanc-Talon. Compressive Template Matching on Multispectral Data. International Conference on Acoustics, Speech, and Signal Processing, May 2013, Vancouver, Canada. pp.ID2697. ⟨hal-00798439⟩
Mohamed Malek, David Helbert, Philippe Carré. Directional Hypercomplex Diffusion. International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2013, May 2013, Vancouver, Canada. pp.5765, ⟨10.1109/ICASSP.2013.6637875⟩. ⟨hal-00798555⟩
Sylvain Rousseau, David Helbert, Philippe Carré. Metric Tensor for Multicomponent Edge Detection. ICIP, Sep 2010, Hong-Kong, Hong Kong SAR China. pp.2. ⟨hal-00493428⟩
David Helbert, Majdi Khoudeir, Minh-Tan Do. Rough Surfaces and Relief Extraction by Generalized Lambertian's Photometric Model. IEEE International Conference on Signal Processing and Communication 2007, Nov 2007, Dubaï, United Arab Emirates. http://www.icspc07.org/index.htm. ⟨hal-00331502⟩
David Helbert, Benjamin Bringier, Majdi Khoudeir. Reconstruction photométrique d'une surface rugueuse à partir d'une seule image. Workshop Caractérisation multi-échelle de la rugosité, Oct 2007, Poitiers, France. ⟨hal-00337467⟩
Xin Huang, Jacques Brochard, David Helbert, Majdi Khoudeir. Relief Extraction of Rough Textured Reflecting Surface by Image Processing. Eighth International Conference on Quality Control by Artificial Vision 2007, May 2007, Le Creusot, France. http://spie.org/x648.xml?product_id=736719&Search_Origin=QuickSearch&Search_Results_URL=http://spie., ⟨10.1117/12.736719⟩. ⟨hal-00331499⟩
David Helbert, Philippe Carré. Use the discrete geometry to discretize the ridgelet transform. WavE: Wavelets and Applications 2006, Jul 2006, EPFL, Lausanne, Switzerland. http://wavelet.epfl.ch/. ⟨hal-00331498⟩
Philippe Carré, David Helbert. Ridgelet Decomposition: Discrete Implementation and Color Denoising. Wavelet Applications in Industrial Processing III, Oct 2005, Boston, MA, United States. ⟨10.1117/12.629569⟩. ⟨hal-00331496⟩
David Helbert. Application de la Transformée Ridgelet Analytique Discrète en débruitage de videos couleur. Journée thématique du GDR ISIS : "Traitements perceptifs couleur dédiés à l'image et à la vidéo", Oct 2004, Poitiers, France. ⟨hal-00337468⟩
David Helbert, Bertrand Augereau, Christine Fernandez-Maloigne. Information Fusion using Covariance Intersection in the Frame of the Evidence Theory. Advanced Concepts for Intelligent Vision Systems (ACIVS 2004), Aug 2004, Brussels, Belgium. pp.0. ⟨hal-00331438⟩
David Helbert, Philippe Carré, Éric Andrès. La Transformée Ridgelet Analytique Discrète 3D. 19° Colloque sur le traitement du signal et des images GRETSI 2003, Sep 2003, Paris, France. http://hdl.handle.net/2042/13604. ⟨hal-00331418⟩
Philippe Carré, David Helbert, Éric Andrès. 3D fast ridgelet transform. International Conference on Image Processing, Sep 2003, Barcelona, Spain. pp.1021-4, ⟨10.1109/ICIP.2003.1247139⟩. ⟨hal-00331431⟩
Jérémy Saucourt, Benjamin Gobé, David Helbert, Agnès Desfarges-Berthelemot, Vincent Kermène. Machine learning-driven complex models for wavefront shaping through multimode fibers. Optical Fiber Technology, 2024, 88, pp.104017. ⟨10.1016/j.yofte.2024.104017⟩. ⟨hal-04769839⟩
Benjamin Gobé, Jérémy Saucourt, Maksym Shpakovych, David Helbert, Agnès Desfarges-Berthelemot, et al.. Retrieving the complex transmission matrix of a multimode fiber by machine learning for 3D beam shaping. Journal of Lightwave Technology, 2024, pp.1-8. ⟨10.1109/JLT.2024.3373689⟩. ⟨hal-04516609⟩
Pascal Bourdon, David Helbert, Rémy Guillevin. Une irm semi-générative par IA. Journal de Neuroradiologie / Journal of Neuroradiology, 2023, 50 (2), pp.117-118. ⟨10.1016/j.neurad.2023.01.030⟩. ⟨hal-04032328⟩
Wael Saideni, David Helbert, Fabien Courrèges, Jean Pierre Cances. An Overview on Deep Learning Techniques for Video Compressive Sensing. Applied Sciences, 2022, 12 (5), ⟨10.3390/app12052734⟩. ⟨hal-03593023⟩
Damien Boildieu, Tiffany Guerenne-del Ben, Ludovic Duponchel, Vincent Sol, Jean-Michel Petit, et al.. Coherent anti-Stokes Raman scattering cell imaging and segmentation with unsupervised data analysis. Frontiers in Cell and Developmental Biology, 2022, 10, pp.933897. ⟨10.3389/fcell.2022.933897⟩. ⟨hal-03726275⟩
Alexandre Fenneteau, Pascal Bourdon, David Helbert, Christine Fernandez-Maloigne, Christophe N Habas, et al.. Investigating efficient CNN architecture for multiple sclerosis lesion segmentation. Journal of Medical Imaging, 2021, 8 (1), ⟨10.1117/1.JMI.8.1.014504⟩. ⟨hal-03116147⟩
Sylvain Rousseau, David Helbert. Compressive Color Pattern Detection using Partial Orthogonal Circulant Sensing Matrix. IEEE Transactions on Image Processing, 2020, 29 (7), pp.670-678. ⟨10.1109/TIP.2019.2927334⟩. ⟨hal-02166497⟩
Romuald Perrot, Pascal Bourdon, David Helbert. Implementing Cascade of Regression-based Face Landmarking: an in-Depth Overview. Image and Vision Computing, 2020, 102, pp.103976. ⟨10.1016/j.imavis.2020.103976⟩. ⟨hal-02884592⟩
Nadia Zikiou, Mourad Lahdir, David Helbert. Support vector regression-based 3D-wavelet texture learning for hyperspectral image compression. The Visual Computer, 2020, 36, pp.1473-1490. ⟨10.1007/s00371-019-01753-z⟩. ⟨hal-02279113⟩
Nadia Zikiou, Mourad Lahdir, David Helbert. Hyperspectral image classification using graph-based wavelet transform. International Journal of Remote Sensing, 2020, 41 (7), pp.2624-2643. ⟨10.1080/01431161.2019.1694194⟩. ⟨hal-02399347⟩
David Helbert, Mohamed Malek, Pascal Bourdon, Philippe Carré. Patch Graph-based Wavelet Inpainting for Color Images. Journal of Visual Communication and Image Representation, 2019, 64, pp.102614. ⟨10.1016/j.jvcir.2019.102614⟩. ⟨hal-02271527⟩
Romuald Perrot, Pascal Bourdon, David Helbert. A Confidence-based Dynamic Optimization Model for Biomedical Image Mosaicking. Journal of the Optical Society of America. A Optics, Image Science, and Vision, 2019, 36 (11), pp.C28. ⟨10.1364/JOSAA.36.000C28⟩. ⟨hal-02297793⟩
Romuald Perrot, Pascal Bourdon, David Helbert. Sampling strategies for performance improvement in cascaded face regression. Journal of Visual Communication and Image Representation, 2018, 55, pp.841-852. ⟨10.1016/j.jvcir.2018.07.006⟩. ⟨hal-01833882⟩
Djelloul Mokadem, Abdelmalek Amine, Zakaria Elberrichi, David Helbert. Detection of Urban Areas using Genetic Algorithms and Kohonen Maps on Multispectral images. International Journal of Organizational and Collective Intelligence (IJOCI), 2018, 8 (1), pp.46 - 62. ⟨10.4018/IJOCI.2018010104⟩. ⟨hal-01696710⟩
Benjamin Béouche-Hélias, David Helbert, Cynthia de Malézieu, Nicolas Leveziel, Christine Fernandez-Maloigne. Neovascularization Detection in Diabetic Retinopathy from Fluorescein Angiograms. Journal of Medical Imaging, 2017, 4 (4), pp.044503. ⟨10.1117/1.JMI.4.4.044503⟩. ⟨hal-01625993⟩
Noël Richard, David Helbert, Christian Olivier, Martin Tamisier. Pseudo-Divergence and Bidimensional Histogram of Spectral Differences for Hyperspectral Image Processing. Journal of Imaging Science and Technology, 2016, 60 (5), pp.504021-5040213. ⟨10.2352/J.ImagingSci.Technol.2016.60.5.050402⟩. ⟨hal-01272601⟩
Mohamed Malek, David Helbert, Philippe Carré. Color graph based wavelet transform with perceptual information. Journal of Electronic Imaging, 2015, 24 (5), pp.053004. ⟨10.1117/1.JEI.24.5.053004⟩. ⟨hal-01174338⟩
Sylvain Rousseau, David Helbert, Philippe Carré, Jacques Blanc-Talon. Compressive Pattern Matching on Multispectral Data. IEEE Transactions on Geoscience and Remote Sensing, 2014, 52 (12), pp.7581 - 7592. ⟨10.1109/TGRS.2014.2314483⟩. ⟨hal-00959680⟩
David Helbert, Bruno Mercier, Christine Fernandez-Maloigne, Nicolas Leveziel. Automatic detection of the retinal neovascularization in diabetic patients.. Investigative Ophthalmology & Visual Science, 2014, 55 (13). ⟨hal-01216480⟩
Benjamin Bringier, David Helbert, Majdi Khoudeir. Photometric reconstruction of a dynamic textured surface from just one color image acquisition. Journal of the Optical Society of America. A Optics, Image Science, and Vision, 2008, 25 (3), pp.566-574. ⟨10.1364/JOSAA.25.000566⟩. ⟨hal-00331323⟩
David Helbert, Philippe Carré, Éric Andrès. 3-D Discrete Analytical Ridgelet Transform. IEEE Transactions on Image Processing, 2006, 15 (12), p. 3701-3714. ⟨10.1109/TIP.2006.881936⟩. ⟨hal-00331384⟩
Adrien Raison, Pascal Bourdon, David Helbert. EiX-GNN : Concept-level eigencentrality explainer for graph neural networks. 2023. ⟨hal-03686299v5⟩
Wael Saideni, Fabien Courrèges, David Helbert, Jean-Pierre Cances. ViT-SCI: Video Transformer is all you need for Video Compressive Sensing. 2022. ⟨hal-03836798⟩
Adrien Raison, Pascal Bourdon, David Helbert. ScoreCAM GNN : a generalization of an optimal local post-hoc explaining method to any geometric deep learning models. 2022. ⟨hal-03808171v1⟩
Alexandre Fenneteau, David Helbert, Pascal Bourdon, Imane M'Rabet, Christine Fernandez-Maloigne, et al.. A size-adaptative segmentation method for better detection of multiple sclerosis lesions. 2022. ⟨hal-03836787⟩
Wael Saideni, Fabien Courrèges, David Helbert, Jean Pierre P Cances. Robust Spatiotemporal Convolutional Long Short-Term Memory Algorithm for Video Prediction. 2021. ⟨hal-03836816⟩
David Helbert. Modélisation de la géométrie en imagerie non conventionnelle. Traitement du signal et de l'image [eess.SP]. Université de poitiers, 2019. ⟨tel-02404165⟩
Yu Fan, David Helbert, Anne-Sophie Capelle-Laizé, Philippe Carré, Christine Fernandez-Maloigne. Detection of Image Splicing using Illuminant Color Estimation. [Research Report] Université de Poitiers (France); Xlim ULR CNRS 7252. 2019. ⟨hal-02294311⟩
Jessica Hanna, Sandy Rihana, David Helbert, Rita Zrour, Philippe Carré, et al.. A Wavelet-based Method for the Metabolite Detection and Quantification in Proton Magnetic Resonance Spectroscopy. [Research Report] Université de Poitiers (France). 2015. ⟨hal-02042878⟩
Sylvain Rousseau, David Helbert. A Theoretic Approach of Classical Operations in Clifford Algebras. [Research Report] Université de Poitiers (France). 2012. ⟨hal-02082136⟩
David Helbert, Bertrand Augereau. Evidential Reconstruction of a Sportive Gesture from a Multisensor Acquisition. [Research Report] Université de poitiers. 2010. ⟨hal-02078393⟩
Jacques Blanc Talon, David Helbert, Wilfried Philips, Dan Popescu, Paul Scheunders. Advanced Concepts for Intelligent Vision Systems. Jacques Blanc-Talon; David Helbert; Wilfried Philips; Dan Popescu; Paul Scheunders. Advanced Concepts for Intelligent Vision Systems, Sep 2018, Poitiers, France. 11182, Springer, 2018, Lecture Notes in Computer Science, 978-3-030-01448-3. ⟨10.1007/978-3-030-01449-0⟩. ⟨hal-01885510⟩
