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Maxim Voichita

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Documents

Publications

Tomographic reconstruction from Poisson distributed data: a fast and convergent EM-TV dual approach

Voichiţa Maxim , Yuemeng Feng , Hussein Banjak , Elie Bretin
Numerical Algorithms, 2023, ⟨10.1007/s11075-023-01517-w⟩
Article dans une revue hal-04134998v1

Iterative tomographic reconstruction with TV prior for low-dose CBCT dental imaging

Louise Friot--Giroux , Françoise Peyrin , Voichita Maxim
Physics in Medicine and Biology, 2022, 67 (20), pp.205010. ⟨10.1088/1361-6560/ac950c⟩
Article dans une revue hal-04224784v1
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Imaging of polychromatic sources through Compton spectral reconstruction

Enrique Muñoz , A. Etxebeste , Denis Dauvergne , Jean Michel Létang , David Sarrut
Physics in Medicine and Biology, 2022, 67 (19), pp.195017. ⟨10.1088/1361-6560/ac92b9⟩
Article dans une revue hal-03808491v1
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Impact of the training loss in deep learning–based CT reconstruction of bone microarchitecture

Théo Leuliet , Voichita Maxim , Françoise Peyrin , Bruno Sixou
Medical Physics, 2022, 49 (5), pp.2952-2964. ⟨10.1002/mp.15577⟩
Article dans une revue hal-03705573v1
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Influence of Doppler broadening model accuracy in Compton camera list-mode MLEM reconstruction

Yuemeng Feng , Jean Michel Létang , David Sarrut , Voichita Maxim
Inverse Problems in Science and Engineering, 2021, 29 (13), pp.3509-3529. ⟨10.1080/17415977.2021.2011863⟩
Article dans une revue hal-03481082v1
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3D reconstruction benchmark of a Compton camera against a parallel hole gamma-camera on ideal data

Yuemeng Feng , Ane Etxebeste , David Sarrut , Jean Michel Létang , Voichita Maxim
IEEE Transactions on Radiation and Plasma Medical Sciences, 2020, 4 (4), pp.479 - 488. ⟨10.1109/TRPMS.2019.2955745⟩
Article dans une revue hal-02505759v1

Monitoring ion beam therapy with a Compton Camera: simulation studies of the clinical feasibility

M. Fontana , J.-L. Ley , D. Dauvergne , Nicolas Freud , J. Krimmer
IEEE Transactions on Radiation and Plasma Medical Sciences, 2020, 4 (2), pp.218-232. ⟨10.1109/TRPMS.2019.2933985⟩
Article dans une revue hal-02301075v1
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Enhancement of Compton camera images reconstructed by inversion of a conical Radon transform

Voichita Maxim
Inverse Problems, 2019, 35 (1), ⟨10.1088/1361-6420/aaecdb⟩
Article dans une revue hal-01932981v1
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Fast electron tomography: Applications to beam sensitive samples and in situ TEM or operando environmental TEM studies

Siddardha Koneti , Lucian Roiban , Florent Dalmas , Cyril Langlois , Anne-Sophie Gay
Materials Characterization, 2019, 151, pp.480-495. ⟨10.1016/j.matchar.2019.02.009⟩
Article dans une revue hal-02151235v1

Evaluation of noise and blur effects with SIRT-FISTA-TV reconstruction algorithm: Application to fast environmental transmission electron tomography

Hussein Banjak , Thomas Grenier , Thierry Epicier , Siddardha Koneti , Lucian Roiban
Ultramicroscopy, 2018, 189, pp.109 - 123. ⟨10.1016/j.ultramic.2018.03.022⟩
Article dans une revue hal-01812662v1

Very Fast Tomography in the (E)TEM to Probe Dynamics in Materials during Operando and In Situ Experiments

Thierry Epicier , Hussein Banjak , Anne-Sophie Gay , Thomas Grenier , Sid Koneti
Microscopy and Microanalysis, 2018, 24 (S1), pp.1814 - 1815. ⟨10.1017/S1431927618009558⟩
Article dans une revue hal-01934140v1

Proton therapy monitoring by Compton imaging: influence of the large energy spectrum of the prompt-γ radiation

Estelle Hilaire , David Sarrut , Francoise Peyrin , Voichita Maxim
Physics in Medicine and Biology, 2016, 61 (8), pp.3127-3147. ⟨10.1088/0031-9155/61/8/3127⟩
Article dans une revue hal-01373693v1

Probabilistic models and numerical calculation of system matrix and sensitivity in list-mode MLEM 3D reconstruction of Compton camera images

Voichita Maxim , Xavier Lojacono , Estelle Hilaire , Jochen Krimmer , Etienne Testa
Physics in Medicine and Biology, 2016, 61 (1), pp.243-264. ⟨10.1088/0031-9155/61/1/243⟩
Article dans une revue hal-01272780v1

Rapid Tomography in Environmental TEM: How Fast Can We Go to Follow the 3D Evolution of Nanomaterials in situ?

Lucian Roiban , Sid Koneti , Khan Tran , Yue-Meng Feng , Thomas Grenier
Microscopy and Microanalysis, 2016, 22 (S5), pp.8 - 9. ⟨10.1017/S143192761601206X⟩
Article dans une revue hal-01612810v1
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Development of a Compton camera for medical applications based on silicon strip and scintillation detectors

J. Krimmer , J.-L. Ley , C. Abellan , J.-P. Cachemiche , L. Caponetto
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2015, 787, pp.98-101. ⟨10.1016/j.nima.2014.11.042⟩
Article dans une revue hal-01101334v1

Filtered Backprojection Reconstruction and Redundancy in Compton Camera Imaging

Voichita Maxim
IEEE Transactions on Image Processing, 2014, 23 (1), pp.332 - 341. ⟨10.1109/TIP.2013.2288143⟩
Article dans une revue hal-00977486v1

Low Statistics Reconstruction of the Compton Camera Point Spread Function in 3D Prompt- \gamma Imaging of Ion Beam Therapy

X. Lojacono , M.-H. Richard , J.-L. Ley , E. Testa , C. Ray
IEEE Transactions on Nuclear Science, 2013, 60 (5), pp.3355 - 3363. ⟨10.1109/TNS.2013.2275200⟩
Article dans une revue hal-00872700v1

Design Study of the Absorber Detector of a Compton Camera for On-Line Control in Ion Beam Therapy

M.-H. Richard , M. Dahoumane , D. Dauvergne , M. de Rydt , G. Dedes
IEEE Transactions on Nuclear Science, 2012, 59 (5), pp.1850-1855. ⟨10.1109/TNS.2012.2206053⟩
Article dans une revue hal-00796857v1

Novel imaging systems for online control of ion therapy

D. Dauvergne , M. Chevallier , N. Freud , J.-M. Létang , Gerard Montarou
Bulletin du Cancer, 2011, 98, pp.S101-S101
Article dans une revue in2p3-00702752v1

CamBAfx: Workflow design, implementation and application for neuroimaging

Cinly Ooi , Ed Bullmore , Alle-Meije Wink , Levent Sendur , Anna Barnes
Frontiers in Neuroinformatics, 2009, 3, pp.article 27. ⟨10.3389/neuro.11.027.2009⟩
Article dans une revue hal-00438669v1
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Permutation testing of orthogonal, factorial effects in a language processing experiment using FMRI

John Suckling , Matthew H. Davis , Cinly Ooi , Alle-Meije Wink , Jalal M. Fadili
Human Brain Mapping, 2006, 27 (5), pp.425-433. ⟨10.1002/hbm.20252⟩
Article dans une revue hal-00083563v1
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Fractional Gaussian noise, functional MRI and Alzheimer's disease

Voichita Maxim , Levent Sendur , Jalal M. Fadili , John Suckling , Rebecca Gould
NeuroImage, 2005, 25 (1), pp.141-158. ⟨10.1016/j.neuroimage.2004.10.044⟩
Article dans une revue hal-00260264v1
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Wavelets and functional magnetic resonance imaging of the human brain

Ed Bullmore , Jalal M. Fadili , Voichita Maxim , Levent Sendur , B. Whitcher
NeuroImage, 2004, Mathematics in Brain Imaging, 23, pp.S234-249. ⟨10.1016/j.neuroimage.2004.07.012⟩
Article dans une revue hal-01128152v1
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Reconstruction tomographique faible dose en imagerie dentaire : régularisation TV versus UNet

Louise Friot–giroux , Théo Leuliet , Françoise Peyrin , Voichita Maxim
XXVIIIème Colloque Francophone de Traitement du Signal et des Images (Gretsi 2022), Sep 2022, Nancy, France
Communication dans un congrès hal-03706225v1
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Combining conditional GAN with VGG perceptual loss for bones CT image reconstruction

Théo Leuliet , Voichiţa Maxim , Françoise Peyrin , Bruno Sixou
16th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (Fully3D), Jul 2021, Leuven, Belgium
Communication dans un congrès hal-03706167v1

Efficiency of TV-regularized algorithms in computed tomography with Poisson-Gaussian noise

Theo Leuliet , Louise Friot–giroux , Walid Baaziz , Elie Bretin , Ovidiu Ersen
2020 28th European Signal Processing Conference (EUSIPCO), Jan 2021, Amsterdam, Netherlands. pp.1294-1298, ⟨10.23919/Eusipco47968.2020.9287762⟩
Communication dans un congrès hal-03447989v1

Total variation regularization in tomography with Poisson distributed data

Voichita Maxim
Applied Inverse Problems (AIP), Jul 2019, Grenoble, France
Communication dans un congrès hal-02359404v1

Challenges in Compton camera imaging for medical applications

Voichita Maxim
Modern Challenges in Imaging, In the Footsteps of Allan MacLeod Cormack, Aug 2019, Tufts University, United States
Communication dans un congrès hal-02359478v1

Very Fast Acquisition of Tilt series in Environmental TEM Tomography: Tips and Tricks

Thierry Epicier , Thomas Grenier , Hussein Banjak , Voichita Maxim , Siddardha Koneti
XVIème colloque de la Société Française des Microscopies, Société Française des Microscopies (SFµ), Jul 2019, Poitiers, France
Communication dans un congrès hal-02378507v1

Dual approach for TV-regularized Maximum Likelihood Expectation Maximization in tomography with Poisson data

Voichita Maxim , Elie Bretin
ICIAM, Jul 2019, Valencia, Spain
Communication dans un congrès hal-02359496v1

A maximum-a-posteriori EM reconstruction method based on total variation regularization for Compton camera imaging

Yuemeng Feng , Mattia Fontana , Ane Etxebeste , Denis Dauvergne , Jean Michel Létang
PTCOG, Jun 2019, Manchester, United Kingdom
Communication dans un congrès hal-02359539v1
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Total variation and point spread function priors for MLEM reconstruction in Compton camera imaging

Yuemeng Feng , Ane Etxebeste , Jean Michel Létang , David Sarrut , Voichita Maxim
2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Nov 2018, Sydney, Australia. ⟨10.1109/NSSMIC.2018.8824767⟩
Communication dans un congrès hal-02359265v1

An extension of the GATE Monte Carlo simulation toolkit to model Compton Camera systems

A. Etxebeste , Y. Feng , Jean Michel Létang , Voichita Maxim , Etienne Testa
Third Geant4 International User Conference, Oct 2018, Bordeaux, France
Communication dans un congrès hal-01926614v1

Practical considerations for Compton camera analytic image reconstruction

Voichita Maxim
The 9th International Conference ”Inverse Problems: Modeling and Simulation” (IPMS-2018), May 2018, Malta, Malta
Communication dans un congrès hal-02359645v1

Compton camera imaging and Radon transforms on the cone: From data to images

Voichita Maxim
100 Years of the Radon Transform, Mar 2017, Linz, Austria
Communication dans un congrès hal-02359629v1

Versatile Compton camera for high energy gamma rays: Monte Carlo comparison with Anger camera for medical imaging

Mattia Fontana , Jean-Luc Ley , Etienne Testa , Jean Michel Létang , Voichita Maxim
2nd Jagiellonan Symposium on Fundamental and Applied Subatomic Physics, Jun 2017, Krakow, Poland. pp.1639-1645, ⟨10.5506/APhysPolB.48.1639⟩
Communication dans un congrès hal-01609541v1

Environmental Transmission Electron Tomography: fast 3D analysis of nano-materials

Siddardha Koneti , Lucian Roiban , Voichita Maxim , Thomas Grenier , Priscilla Avenier
European Microscopy Congress, Aug 2016, Lyon, France. pp.29-30, ⟨10.1002/9783527808465.EMC2016.6438⟩
Communication dans un congrès hal-01871240v1

Online control of the beam range during Hadrontherapy

D Dauvergne , J. Baudot , N. Freud , J. Krimmer , L. Lestand
Forum de la recherche en cancérologie Rhône-Alpes Auvergne, Apr 2015, Lyon, France
Communication dans un congrès hal-01241411v1

Compton imaging in proton therapy: reconstructed image of the simulated prompt-γ distribution

E. Hilaire , Cédric Robert Robert , X. Lojacono , D. Sarrut , I. Buvat
ICTR-PHE 2014, Feb 2014, Genève, Switzerland. pp.S43
Communication dans un congrès hal-01052717v1

Development of a Compton Camera for medical applications based on SSD and scintillation detectors

J. Krimmer , J.-L. Ley , C. Abellan , J.-P. Cachemiche , L. Caponetto
NDIP'2014, 7th International Conference on New Developments in Photodetection, Jun 2014, Tours, France
Communication dans un congrès in2p3-01071940v1

Compton imaging of prompt-gamma radiation in proton therapy: influence of the attenuation in the volume and of the detector performances

E. Hilaire , X. Lojacono , D. Sarrut , F. Peyrin , Voichita Maxim
9ème journée scientifique du CLARA, Jun 2014, Lyon, France
Communication dans un congrès hal-01054191v1

Data models for the Compton camera acquisition and their influence on the reconstructed images

Voichita Maxim , D. Dauvergne , E. Hilaire , J.-L. Ley , X. Lojacono
ICTR-PHE 2014, Feb 2014, Genève, Switzerland. pp.S66
Communication dans un congrès hal-01052724v1

Online control of the beam range during Hadrontherapy: a review

Jean Michel Létang , D. Dauvergne , N. Freud , J. Krimmer , Loïc Lestand
9ème journée du CLARA, Jun 2014, Lyon, France
Communication dans un congrès hal-01054193v1

Compton imaging in proton beam therapy: from GATE simulations to image reconstruction

E. Hilaire , Cédric Robert Robert , X. Lojacono , C. Lartizien , I. Buvat
Interdisciplinary Symposium on Signals and Systems for Medical Applications, Jun 2013, Paris, France
Communication dans un congrès hal-00850519v1

Tomographic reconstruction for Compton imaging in proton beam therapy

E. Hilaire , X. Lojacono , R. Prost , Voichita Maxim , F. Peyrin
Workshop "The future of radiation oncology : Imaging, Dosimetry, Biology & Therapy", Sep 2013, Berder Island, France
Communication dans un congrès hal-00872790v1

Imagerie Compton en protonthérapie : de la simulation GATE à la reconstruction d'images

E. Hilaire , Cédric Robert Robert , X. Lojacono , C. Lartizien , I. Buvat
XXIVème Colloque GRETSI - Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France
Communication dans un congrès hal-00850529v1
Image document

Real-Time Online Monitoring of the Ion Range by Means of Prompt Secondary Radiations

J. Krimmer , L. Balleyguier , J. Baudot , S. Brons , L. Caponetto
3rd International Conference On Advancements In Nuclear Instrumentation Measurement Methods And Their Applications (ANIMMA 2013), Jun 2013, Marseille, France. pp.1-8, ⟨10.1109/ANIMMA.2013.6728046⟩
Communication dans un congrès hal-00873701v1

Image reconstruction for the Compton camera: calculation of the system matrix

X. Lojacono , E. Hilaire , Voichita Maxim , R. Prost
Interdisciplinary Symposium on Signals and Systems for Medical Applications, Jun 2013, Paris, France
Communication dans un congrès hal-00850525v1

Monitoring the Bragg peak during ion therapy by means of prompt radiation. The ENVISION program

W. Enghardt , D. Dauvergne , J. Barrio , C. Cabello , J. Gillam
52nd Annual Conference of the Particle Therapy Co-Operative Group, Jun 2013, Essen, Germany
Communication dans un congrès hal-00838430v1

Algorithmes LM-MLEM pour la reconstruction d'images pour caméra Compton

X. Lojacono , E. Hilaire , R. Prasad , Voichita Maxim , R. Prost
Nouvelles méthodologies en imagerie du vivant, Dec 2012, Lyon, France
Communication dans un congrès hal-00828881v1

Reconstruction tomographique pour l'imagerie SPECT avec une caméra Compton

Voichita Maxim
XIème Colloque Franco-Roumain de Mathématiques Appliquées, Aug 2012, Bucarest, Roumanie. pp.74
Communication dans un congrès hal-00871681v1

Imaging system for QA: present status and future prospects

E. Testa , D. Dauvergne , G. Dedes , P. Force , N. Freud
2nd NIRS-ETOILE symposium, Nov 2011, Lyon, France
Communication dans un congrès in2p3-00715886v1

Image reconstruction for Compton camera applied to 3D prompt imaging during ion beam therapy

X. Lojacono , M.-H. Richard , C. Ray , D. Dauvergne , E. Testa
IEEE Nuclear Science Symposium and Medical Imaging Conference, 2011, Valencia, Spain. pp.3518 - 3521, ⟨10.1109/NSSMIC.2011.6152647⟩
Communication dans un congrès hal-01920979v1

Imaging System for QI: Present Status and Future Prospects

E. Testa , D. Dauvergne , G. Dedes , N. Freud , J. Krimmer
2nd NIRS-ETOILE Joint Symposium on Carbon Ion Therapy, Nov 2011, Lyon, France
Communication dans un congrès in2p3-00773070v1

Reconstruction tomographique et déconvolution aveugle en TEP : une méthode d’apprentissage profond hybride

Théo Leuliet , Voichita Maxim , Bruno Sixou
XXVIIIème Colloque Francophone de Traitement du Signal et des Images (Gretsi 2022), Sep 2022, Nancy, France
Poster de conférence hal-03706239v1
Image document

Comparison of efficiency and activity recovery coefficients of Compton and Anger cameras in Nuclear Medicine

Ane Etxebeste , Enrique Muñoz , Denis Dauvergne , J M Letang , M. Borja-Lloret
IEEE Nuclear Science Symposium and Medical Imaging Conference (IEEE NSS MIC) 2021, Oct 2021, Virtual Yokohama, Japan, Oct 2021, Yokohama (virtual), Japan
Poster de conférence hal-03473005v1

Comparison between Anger and Compton cameras for medical imaging: A Monte Carlo simulation study

M. Fontana , D. Dauvergne , J. Krimmer , J.-M. Letang , J.-L. Ley
Forum de la Recherche en Cancérologie Auvergne-Rhône-Alpes, Apr 2017, Villeurbanne, France.
Poster de conférence in2p3-01501686v1

Comparison between Anger and Compton cameras for medical imaging: a Monte Carlo simulation study

Mattia Fontana , Denis Dauvergne , Jochen Krimmer , Jean Michel Létang , Jean-Luc Ley
2017 IEEE NSS/MIC/RTSD, Oct 2017, Atlanta, United States. 2017
Poster de conférence hal-01609932v1

Comparison between Anger and Compton cameras for medical imaging: a Monte Carlo simulation study

Mattia Fontana , Denis Dauvergne , Jochen Krimmer , Jean Michel Létang , Jean-Luc Ley
56èmes Journées Scientifiques de la SFPM, Jun 2017, Lyon, France. 2017
Poster de conférence hal-01609928v1

Time-of-Flight Collimated- and Compton-Cameras Development for Ion Beam Therapy Monitoring

Mattia Fontana , L. Balleyguier , E. Bechetoille , D. Bon , L. Caponetto
Forum de la recherche en cancérologie Rhône-Alpes Auvergne, Mar 2016, Lyon, France
Poster de conférence hal-01297637v1
Image document

Development of a Time-Of-Flight Compton Camera for Online Control of Ion therapy

J.-L. Ley , C. Abellan , J.-P. Cachemiche , M. Dahoumane , D. Dauvergne
ICTR-PHE 2014, Feb 2014, Genève, Switzerland
Poster de conférence hal-00945490v1
Image document

DEVELOPMENT OF COMPTON CAMERA PROTOTYPE FOR HADRONTHERAPY MONITORING AND MEDICAL IMAGING

Jean-Luc Ley , J. P. Cachemiche , M. Dahoumane , Denis Dauvergne , Nicolas Freud
First International Summer School on Intelligent Front-End Signal Processing for Frontier Exploitation in Research and Industry, Jul 2013, Oxford, United Kingdom
Poster de conférence hal-01922290v1
Image document

Restauration de signaux bruités observés sur des plans d'expérience aléatoires

Voichita Maxim
Interface homme-machine [cs.HC]. Institut National Polytechnique de Grenoble - INPG, 2003. Français. ⟨NNT : ⟩
Thèse tel-00004375v1
Image document

Restauration de signaux bruités observés sur des plans d'expérience aléatoires

Voichita Maxim
Mathématiques [math]. Université Joseph-Fourier - Grenoble I, 2003. Français. ⟨NNT : ⟩
Thèse tel-00005298v1