Voichita Maxim

73
Documents

Publications

Publications

Image document

CoReSi: a GPU-based software for Compton camera reconstruction and simulation in collimator-free SPECT

Vincent Lequertier , Etienne Testa , Voichita Maxim
Physics in Medicine and Biology, 2025, 70 (4), pp.19. ⟨10.1088/1361-6560/adaacc⟩
Journal articles hal-04904932 v1
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Bimodal PET/MRI generative reconstruction based on VAE architectures

Valentin Gautier , Alexandre Bousse , Florent Sureau , Claude Comtat , Voichita Maxim et al.
Physics in Medicine and Biology, 2024, 69 (24), pp.245019. ⟨10.1088/1361-6560/ad9133⟩
Journal articles hal-04830420 v1
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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, 94, pp.701-731. ⟨10.1007/s11075-023-01517-w⟩
Journal articles hal-04134998 v1
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Imaging of polychromatic sources through Compton spectral reconstruction

Enrique Muñoz , A. Etxebeste , Denis Dauvergne , Jean Michel Létang , David Sarrut et al.
Physics in Medicine and Biology, 2022, 67 (19), pp.195017. ⟨10.1088/1361-6560/ac92b9⟩
Journal articles hal-03808491 v1
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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⟩
Journal articles hal-04224784 v1
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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⟩
Journal articles hal-03705573 v1
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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⟩
Journal articles hal-03481082 v1
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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⟩
Journal articles hal-02505759 v1

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 et al.
IEEE Transactions on Radiation and Plasma Medical Sciences, 2020, 4 (2), pp.218-232. ⟨10.1109/TRPMS.2019.2933985⟩
Journal articles hal-02301075 v1
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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 et al.
Materials Characterization, 2019, 151, pp.480-495. ⟨10.1016/j.matchar.2019.02.009⟩
Journal articles hal-02151235 v1
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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⟩
Journal articles hal-01932981 v1

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 et al.
Microscopy and Microanalysis, 2018, 24 (S1), pp.1814 - 1815. ⟨10.1017/S1431927618009558⟩
Journal articles hal-01934140 v1

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 et al.
Ultramicroscopy, 2018, 189, pp.109 - 123. ⟨10.1016/j.ultramic.2018.03.022⟩
Journal articles hal-01812662 v1

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 et al.
Physics in Medicine and Biology, 2016, 61 (1), pp.243-264. ⟨10.1088/0031-9155/61/1/243⟩
Journal articles hal-01272780 v1

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⟩
Journal articles hal-01373693 v1

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 et al.
Microscopy and Microanalysis, 2016, 22 (S5), pp.8 - 9. ⟨10.1017/S143192761601206X⟩
Journal articles hal-01612810 v1
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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 et al.
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⟩
Journal articles hal-01101334 v1

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⟩
Journal articles hal-00977486 v1

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 et al.
IEEE Transactions on Nuclear Science, 2013, 60 (5), pp.3355 - 3363. ⟨10.1109/TNS.2013.2275200⟩
Journal articles hal-00872700 v1

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 et al.
IEEE Transactions on Nuclear Science, 2012, 59 (5), pp.1850-1855. ⟨10.1109/TNS.2012.2206053⟩
Journal articles hal-00796857 v1

Novel imaging systems for online control of ion therapy

D. Dauvergne , M. Chevallier , N. Freud , J.-M. Létang , Gerard Montarou et al.
Bulletin du Cancer, 2011, 98, pp.S101-S101
Journal articles in2p3-00702752 v1

CamBAfx: Workflow design, implementation and application for neuroimaging

Cinly Ooi , Ed Bullmore , Alle-Meije Wink , Levent Sendur , Anna Barnes et al.
Frontiers in Neuroinformatics, 2009, 3, pp.article 27. ⟨10.3389/neuro.11.027.2009⟩
Journal articles hal-00438669 v1
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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 et al.
Human Brain Mapping, 2006, 27 (5), pp.425-433. ⟨10.1002/hbm.20252⟩
Journal articles hal-00083563 v1
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Fractional Gaussian noise, functional MRI and Alzheimer's disease

Voichita Maxim , Levent Sendur , Jalal M. Fadili , John Suckling , Rebecca Gould et al.
NeuroImage, 2005, 25 (1), pp.141-158. ⟨10.1016/j.neuroimage.2004.10.044⟩
Journal articles hal-00260264 v1
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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 et al.
NeuroImage, 2004, Mathematics in Brain Imaging, 23, pp.S234-249. ⟨10.1016/j.neuroimage.2004.07.012⟩
Journal articles hal-01128152 v1
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Fast deconvolution using a combination of Richardson-Lucy iterations and diffusion regularization

Thibaut Modrzyk , Ane Etxebeste , Elie Bretin , Voichita Maxim
32nd European Signal Processing Conference (EUSIPCO), EURASIP, Aug 2024, Lyon, France. ⟨10.23919/eusipco63174.2024.10715053⟩
Conference papers hal-04693188 v1
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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
Conference papers hal-03706225 v1
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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
Conference papers hal-03706167 v1

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

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

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

Voichita Maxim , Elie Bretin
ICIAM, Jul 2019, Valencia, Spain
Conference papers hal-02359496 v1

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
Conference papers hal-02359478 v1

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

Thierry Epicier , Thomas Grenier , Hussein Banjak , Voichita Maxim , Siddardha Koneti et al.
XVIème colloque de la Société Française des Microscopies, Société Française des Microscopies (SFµ), Jul 2019, Poitiers, France
Conference papers hal-02378507 v1

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 et al.
58th Annual Conference of The Particle Therapy Co-Operative Group (PTCOG58), Jun 2019, Manchester, United Kingdom
Conference papers hal-02359539 v1

Total variation regularization in tomography with Poisson distributed data

Voichita Maxim
Applied Inverse Problems (AIP), Jul 2019, Grenoble, France
Conference papers hal-02359404 v1

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 et al.
Third Geant4 International User Conference, Oct 2018, Bordeaux, France
Conference papers hal-01926614 v1
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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⟩
Conference papers hal-02359265 v1

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
Conference papers hal-02359645 v1

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
Conference papers hal-02359629 v1

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 et al.
2nd Jagiellonan Symposium on Fundamental and Applied Subatomic Physics, Jun 2017, Krakow, Poland. pp.1639-1645, ⟨10.5506/APhysPolB.48.1639⟩
Conference papers hal-01609541 v1

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

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

Online control of the beam range during Hadrontherapy

D Dauvergne , J. Baudot , N. Freud , J. Krimmer , L. Lestand et al.
Forum de la recherche en cancérologie Rhône-Alpes Auvergne, Apr 2015, Lyon, France
Conference papers hal-01241411 v1

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 et al.
NDIP'2014, 7th International Conference on New Developments in Photodetection, Jun 2014, Tours, France
Conference papers in2p3-01071940 v1

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

E. Hilaire , Cédric Robert Robert , X. Lojacono , D. Sarrut , I. Buvat et al.
ICTR-PHE 2014, Feb 2014, Genève, Switzerland. pp.S43
Conference papers hal-01052717 v1

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 et al.
ICTR-PHE 2014, Feb 2014, Genève, Switzerland. pp.S66
Conference papers hal-01052724 v1

Online control of the beam range during Hadrontherapy: a review

Jean Michel Létang , D. Dauvergne , N. Freud , J. Krimmer , Loïc Lestand et al.
9ème journée du CLARA, Jun 2014, Lyon, France
Conference papers hal-01054193 v1

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
Conference papers hal-01054191 v1

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

E. Hilaire , Cédric Robert Robert , X. Lojacono , C. Lartizien , I. Buvat et al.
Interdisciplinary Symposium on Signals and Systems for Medical Applications, Jun 2013, Paris, France
Conference papers hal-00850519 v1

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
Conference papers hal-00872790 v1
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 et al.
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⟩
Conference papers hal-00873701 v1

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

E. Hilaire , Cédric Robert Robert , X. Lojacono , C. Lartizien , I. Buvat et al.
XXIVème Colloque GRETSI - Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France
Conference papers hal-00850529 v1

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
Conference papers hal-00850525 v1

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 et al.
52nd Annual Conference of the Particle Therapy Co-Operative Group, Jun 2013, Essen, Germany
Conference papers hal-00838430 v1

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
Conference papers hal-00871681 v1

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
Conference papers hal-00828881 v1

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 et al.
IEEE Nuclear Science Symposium and Medical Imaging Conference, 2011, Valencia, Spain. pp.3518 - 3521, ⟨10.1109/NSSMIC.2011.6152647⟩
Conference papers hal-01920979 v1

Imaging system for QA: present status and future prospects

E. Testa , D. Dauvergne , G. Dedes , P. Force , N. Freud et al.
2nd NIRS-ETOILE symposium, Nov 2011, Lyon, France
Conference papers in2p3-00715886 v1

Imaging System for QI: Present Status and Future Prospects

E. Testa , D. Dauvergne , G. Dedes , N. Freud , J. Krimmer et al.
2nd NIRS-ETOILE Joint Symposium on Carbon Ion Therapy, Nov 2011, Lyon, France
Conference papers in2p3-00773070 v1

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
Conference poster hal-03706239 v1
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 et al.
IEEE Nuclear Science Symposium and Medical Imaging Conference (IEEE NSS MIC) 2021, Oct 2021, Virtual Yokohama, Japan, Oct 2021, Yokohama (virtual), Japan
Conference poster hal-03473005 v1

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 et al.
Forum de la Recherche en Cancérologie Auvergne-Rhône-Alpes, Apr 2017, Villeurbanne, France.
Conference poster in2p3-01501686 v1

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 et al.
2017 IEEE NSS/MIC/RTSD, Oct 2017, Atlanta, United States. 2017
Conference poster hal-01609932 v1

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 et al.
56èmes Journées Scientifiques de la SFPM, Jun 2017, Lyon, France. 2017
Conference poster hal-01609928 v1

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

Mattia Fontana , L. Balleyguier , E. Bechetoille , D. Bon , L. Caponetto et al.
Forum de la recherche en cancérologie Rhône-Alpes Auvergne, Mar 2016, Lyon, France
Conference poster hal-01297637 v1
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 et al.
ICTR-PHE 2014, Feb 2014, Genève, Switzerland
Conference poster hal-00945490 v1
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 et al.
First International Summer School on Intelligent Front-End Signal Processing for Frontier Exploitation in Research and Industry, Jul 2013, Oxford, United Kingdom
Conference poster hal-01922290 v1
Image document

Reconstruction tomographique et application en imagerie caméra Compton et en microscopie électronique

Voichita Maxim
Traitement du signal et de l'image [eess.SP]. Institut National des Sciences Appliquées de Lyon, 2019
Habilitation à diriger des recherches tel-02946771 v1
Image document

2012 Activity Report of the Regional Research Programme on Hadrontherapy for the ETOILE Center

G. Alphonse , D. Ardail , E. Armandy , M. Bajard , J. Balosso et al.
[Research Report] Centre Etoile; Université Lyon 1 - Claude Bernard. 2013
Reports (Research report) hal-00840163 v1
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Restauration de signaux bruités observés sur des plans d'expérience aléatoires

Voichita Maxim
Mathématiques [math]. Université Joseph-Fourier - Grenoble I, 2003. Français. ⟨NNT : ⟩
Theses tel-00005298 v1
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 : ⟩
Theses tel-00004375 v1