julien wojak

31
Documents

Publications

Publications

Deposit thumbnail

Quantitative Photo-Acoustic Imaging based on data normalisation : application to the reconstruction of the opto-mechanical properties of the intervertebral disc

Antoine Capart , Roman Allais , Julien Wojak , Olivier Boiron , Anabela Da Silva

Biomedical Physics & Engineering Express, 2025, 11 (6), ⟨10.1088/2057-1976/ae0b76⟩

Article dans une revue hal-05284365v1
Deposit thumbnail

Multi-View Separable Pyramid Network for AD Prediction at MCI Stage by 18 F-FDG Brain PET Imaging

Xiaoxi Pan , Trong-Le Phan , Mouloud Adel , Caroline Fossati , Thierry Gaidon et al.

IEEE Transactions on Medical Imaging, 2021, 40 (1), pp.81-92. ⟨10.1109/TMI.2020.3022591⟩

Article dans une revue hal-03627176v1

Multi-View Separable Pyramid Network for AD Prediction at MCI Stage by 18 F-FDG Brain PET Imaging

Xiaoxi Pan , Trong-Le Phan , Mouloud Adel , Caroline Fossati , Thierry Gaidon et al.

IEEE Transactions on Medical Imaging, 2021, 40 (1), pp.81-92. ⟨10.1109/TMI.2020.3022591⟩

Article dans une revue hal-03280369v1
Deposit thumbnail

Stimulated Raman histology: one to one comparison with standard hematoxylin and eosin staining

Barbara Sarri , Flora Poizat , Sandro Heuke , Julien Wojak , Florence Franchi et al.

Biomedical optics express, 2019, 10 (10), pp.5378. ⟨10.1364/BOE.10.005378⟩

Article dans une revue hal-02302729v1
Deposit thumbnail

Coronal Mass Ejections over Solar Cycles 23 and 24

Philippe Lamy , Olivier Floyd , B. Boclet , J. Wojak , Hugo Gilardy et al.

Space Science Reviews, 2019, 215 (5), pp.art. 39. ⟨10.1007/s11214-019-0605-y⟩

Article dans une revue insu-02182990v1
Deposit thumbnail

Fast stimulated Raman and second harmonic generation imaging for intraoperative gastro-intestinal cancer detection

Barbara Sarri , Rafaël Canonge , Xavier Audier , Emma Simon , Julien Wojak et al.

Scientific Reports, 2019, 9 (1), pp.10052. ⟨10.1038/s41598-019-46489-x⟩

Article dans une revue hal-02266919v1
Deposit thumbnail

Validation of the Alfvén Wave Solar Atmosphere Model (AWSoM) with Observations from the Low Corona to 1 au

Nishtha Sachdeva , Bart van Der Holst , Ward B. Manchester , Gábor Tóth , Yuxi Chen et al.

The Astrophysical Journal, 2019, 887 (1), pp.83. ⟨10.3847/1538-4357/ab4f5e⟩

Article dans une revue insu-02438877v1
Deposit thumbnail

Multiscale spatial gradient features for 18F-FDG PET image-guided diagnosis of Alzheimer’s disease

Xiaoxi Pan , Mouloud Adel , Caroline Fossati , Thierry Gaidon , Julien Wojak et al.

Computer Methods and Programs in Biomedicine, 2019, 180, pp.105027. ⟨10.1016/j.cmpb.2019.105027⟩

Article dans une revue hal-02479688v1
Deposit thumbnail

Periodic behaviour of coronal mass ejections, eruptive events, and solar activity proxies during solar cycles 23 and 24

Tatiana Barlyaeva , Julien Wojak , Philippe Lamy , Brice Boclet , Imre Toth

Journal of Atmospheric and Solar-Terrestrial Physics, 2018, 177 (October), pp.12 - 28. ⟨10.1016/j.jastp.2018.05.012⟩

Article dans une revue insu-01879063v1

Anomalous Surge of the White‐Light Corona at the Onset of the Declining Phase of Solar Cycle 24

P. Lamy , B. Boclet , J. Wojak , D. Vibert

Solar Physics, 2017, 292 (4), ⟨10.1007/s11207-017-1089-0⟩

Article dans une revue hal-01678403v1

Time-dependent tomographic reconstruction of the solar corona

D. Vibert , C. Peillon , P. Lamy , Richard A. Frazin , J. Wojak

Astronomy and Computing, 2016, 17, pp.144-162. ⟨10.1016/j.ascom.2016.09.001⟩

Article dans une revue hal-01428080v1
Deposit thumbnail

NIR and SWIR Continuous Wave Diffuse Optical Tomography from a Wearable Device Setup

Julien Wojak , Sydur Rahman , Laurent Alacoque , Jean-Michel Tualle , Dominique Ettori et al.

European Conference on Biomedical Optics, OPTICA/SPIE, Jun 2025, Munich (Germany), Germany

Communication dans un congrès hal-05194754v1
Deposit thumbnail

Optimized reconstruction framework in fluorescence diffuse optical tomography using radiative transfer equation

Pascal Nguyen , Martin Rodriguez-Vega , Julien Wojak , Paul Dorval , Rémi André et al.

European Conference on Biomedical Optics, OPTICA/ECBO, Jun 2025, Munich, Germany

Communication dans un congrès hal-05194785v1
Deposit thumbnail

Simulated Near Infrared Database for Fluorescence Diffuse Optical Tomography

Martin Rodriguez-Vega , Pascal Nguyen , Anabela Da Silva , Julien Wojak , Veronique Josserand et al.

European Conference on Biomedical Optics, OPTICA/SPIE, Jun 2025, Munich (Allemagne), Germany

Communication dans un congrès hal-05194772v1
Deposit thumbnail

Opto-Mechanical Characterization of the Intervertebral Disc Using Photoacoustic Imaging

Antoine Capart , Roman Allais , Julien Wojak , Olivier Boiron , Anabela Da Silva

European Conference on Biomedical Optics, OPTICA/SPIE, Jun 2025, Munich (Allemagne), Germany

Communication dans un congrès hal-05194734v1
Deposit thumbnail

Reconstruction of the opto-mechanical properties of the intervertebral disc with photoacoutic imaging

Antoine Capart , Roman Allais , Julien Wojak , Olivier Boiron , Anabela Da Silva

Optica Biophotonics Congress: Biomedical Optics 2024 (Translational, Microscopy, OCT, OTS, BRAIN), Optica, Apr 2024, Fort Lauderdale, Florida, United States. pp.OTu3D.3, ⟨10.1364/OTS.2024.OTu3D.3⟩

Communication dans un congrès hal-04675338v1
Deposit thumbnail

Assessing the internal composition of the intervertebral disc with photoacoustic imaging: a numerical study

Antoine Capart , Roman Allais , Julien Wojak , Olivier Boiron , Anabela da Silva

2023 European conferences on biomedical optics, Jun 2023, Münich, Germany

Communication dans un congrès hal-04178941v1
Deposit thumbnail

Assessment of intervertebral disks viability with quantitative photoacoustic tomography

Antoine Capart , Julien Wojak , Roman Allais , Olivier Boiron , Anabela da Silva

Biophotonics Congress: Biomedical Optics, Apr 2022, Fort Lauderdale, Florida, United States. ⟨10.1364/TRANSLATIONAL.2022.JM3A.11⟩

Communication dans un congrès hal-03758492v1
Deposit thumbnail

DÉTERMINATION DE LA VIABILITÉ DU DISQUE INTERVERTÉBRAL PAR IMAGERIE PHOTOACOUSTIQUE QUANTITATIVE

Antoine Capart , Julien Wojak , Roman Allais , Moncef Ghiss , Olivier Boiron et al.

Optique Nice, Jul 2022, Nice, France

Communication dans un congrès hal-03758453v1
Deposit thumbnail

GPU-accelerated polarization-sensitive Monte Carlo simulations for Diffuse Optical Tomography with polarized light

Hind Oulhaj , Julien Wojak , Ugo Tricoli , Callum M. Macdonald , Vadim A. Markel et al.

SPIE Photonics Europe, Mar 2020, Strasbourg, France. ⟨10.1117/12.2526939⟩

Communication dans un congrès hal-02951643v1

Fast stimulated Raman and second harmonic generation imaging for intraoperative gastro-intestinal cancer detection

Herve Rigneault , Barbara Sarri , Marc Giovannini , Fabrice Caillol , Flora Poizat et al.

Photonics West, Feb 2020, San Francisco, United States

Communication dans un congrès hal-02473755v1

First and Second Order Gradients for Alzheimer's Disease Diagnosis

Xiaoxi Pan , Mouloud Adel , Caroline Fossati , Thierry Gaidon , Julien Wojak et al.

2019 5th International Conference on Frontiers of Signal Processing (ICFSP), Sep 2019, Marseille, France. pp.95-99, ⟨10.1109/ICFSP48124.2019.8938031⟩

Communication dans un congrès hal-02475891v1
Deposit thumbnail

Diffuse Optical Tomography with polarized light: a GPU-accelerated polarization-sensitive Monte Carlo simulations for efficient Sensitivity Kernel computation

Hind Oulhaj , Julien Wojak , Ugo Tricoli , Callum M. Macdonald , Vadim A. Markel et al.

European Conferences On Biomedical Optics (ECBO), Jun 2019, Munich, Germany

Communication dans un congrès hal-02376876v1
Deposit thumbnail

Introducing Shape Constraint via Legendre Moments in a Variational Framework for Cardiac Segmentation on non-Contrast CT Images

J. Wojak , Elsa D. Angelini , Isabelle Bloch

VISAPP, 2010, Angers, France. pp.209-214

Communication dans un congrès hal-00508666v1

Joint Variational Segmentation of CT-PET Data for Tumoral Lesions

J. Wojak , Elsa D. Angelini , Isabelle Bloch

IEEE International Symposium on Biomedical Imaging (ISBI), 2010, Rotterdam, Netherlands Antilles. pp.217-220

Communication dans un congrès hal-00479594v1

Segmentation multimodale de tumeurs pulmonaires et de ganglions lymphatiques par une méthode variationnelle

J. Wojak , Elsa D. Angelini , Isabelle Bloch

RFIA, 2010, Caen, France. pp.199-205

Communication dans un congrès hal-00479589v1