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Simon Rit

53
Documents
Affiliations actuelles
  • 530748
Identifiants chercheurs
  • IdHAL simon-rit
  • ResearcherId : H-9410-2014
  • ORCID 0000-0003-2530-1013
  • Google Scholar : https://scholar.google.fr/citations?user=K2zXN1YAAAAJ&hl=en
  • IdRef : 118366432
  • ResearcherId : http://www.researcherid.com/rid/H-9410-2014

Présentation

Publications

jean-letang
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Combining Wave and Particle Effects in the Simulation of X-ray Phase Contrast—A Review

Emilie Pietersoone , Jean Michel Létang , Simon Rit , Emmanuel Brun , Max Langer
Instruments, 2024, 8 (1), pp.8. ⟨10.3390/instruments8010008⟩
Article dans une revue hal-04442808v1
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Cone-beam pair-wise data consistency conditions in helical CT

Mélanie Mouchet , Jean Michel Létang , Jérome Lesaint , Simon Rit
IEEE Transactions on Medical Imaging, 2023, 42 (10), pp.2853-2864. ⟨10.1109/TMI.2023.3265812⟩
Article dans une revue hal-04072471v1
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Relative stopping power resolution in time-of-flight proton CT

Nils Krah , Denis Dauvergne , Jean Michel Létang , Simon Rit , Etienne Testa
Physics in Medicine and Biology, 2022, 67 (16), pp.165004. ⟨10.1088/1361-6560/ac7191⟩
Article dans une revue hal-03677847v1
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Projection deconvolution for proton CT using the spatially variant path uncertainty

Feriel Khellaf , Nils Krah , Jean Michel Létang , Simon Rit
IEEE Transactions on Radiation and Plasma Medical Sciences, 2022, 6 (8), pp.847-858. ⟨10.1109/TRPMS.2022.3167334⟩
Article dans une revue hal-03656408v1
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Region-of-Interest CT Reconstruction using Object Extent and Singular Value Decomposition

Aurelien Coussat , Simon Rit , Rolf Clackdoyle , Michel Defrise , Laurent Desbat
IEEE Transactions on Radiation and Plasma Medical Sciences, 2022, 6 (5), pp.537-551. ⟨10.1109/TRPMS.2021.3091288⟩
Article dans une revue hal-03275441v2
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Energy-adaptive calculation of the most likely path in proton CT

Nils Krah , Denis Dauvergne , Jean Michel Létang , Simon Rit , Etienne Testa
Physics in Medicine and Biology, 2021, 66, pp.20NT02. ⟨10.1088/1361-6560/ac2999⟩
Article dans une revue hal-03353954v1
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2D directional ramp filter

Feriel Khellaf , Nils Krah , Jean Michel Létang , Simon Rit
Physics in Medicine and Biology, 2020, 65 (8), pp.08NT01. ⟨10.1088/1361-6560/ab7875⟩
Article dans une revue hal-02486620v1
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A comparison of direct reconstruction algorithms in proton computed tomography

Feriel Khellaf , Nils Krah , Jean-Michel Létang , Charles-Antoine Collins-Fekete , Simon Rit
Physics in Medicine and Biology, 2020, 65 (10), pp.105010. ⟨10.1088/1361-6560/ab7d53⟩
Article dans une revue hal-02502179v1
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Scattering proton CT

Nils Krah , Catherine Therese T Quiñones , Jean-Michel Létang , Simon Rit
Physics in Medicine and Biology, 2020, 65 (22), pp.225015. ⟨10.1088/1361-6560/abbd18⟩
Article dans une revue hal-02959263v1
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Towards Monte Carlo Simulation of X-ray phase contrast using GATE

Max Langer , Zhenjie Cen , Simon Rit , Jean Michel Létang
Optics Express, 2020, 28 (10), pp.14522-14535. ⟨10.1364/OE.391471⟩
Article dans une revue hal-02557781v1
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Scatter correction for spectral CT using a primary modulator mask

Odran Pivot , Clarisse Fournier , Joachim Tabary , Jean Michel Létang , Simon Rit
IEEE Transactions on Medical Imaging, 2020, 39 (6), pp.2267 - 2276. ⟨10.1109/TMI.2020.2970296⟩
Article dans une revue hal-02461992v1
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Effects of transverse heterogeneities on the most likely path of protons

Feriel Khellaf , Nils Krah , Ilaria Rinaldi , Jean-Michel Létang , Simon Rit
Physics in Medicine and Biology, 2019, 64, pp.065003. ⟨10.1088/1361-6560/ab02a8⟩
Article dans une revue hal-02023848v1
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Polynomial modelling of proton trajectories in homogeneous media for fast most likely path estimation and trajectory simulation

Nils Krah , Jean-Michel Létang , Simon Rit
Physics in Medicine and Biology, 2019, 64 (19), pp.195014. ⟨10.1088/1361-6560/ab3d0b⟩
Article dans une revue hal-02269520v1
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Deriving the mean excitation energy map from dual-energy and proton computed tomography

Gloria Vilches-Freixas , Catherine Thérèse Quinones , Jean Michel Létang , Simon Rit
Physics and Imaging in Radiation Oncology, 2018, 6, pp.20 - 24. ⟨10.1016/j.phro.2018.04.001⟩
Article dans une revue hal-01909720v1
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Fixed forced detection for fast SPECT Monte-Carlo simulation

Thomas Cajgfinger , Simon Rit , Jean Michel Létang , Adrien Halty , David Sarrut
Physics in Medicine and Biology, 2018, 63 (5), ⟨10.1088/1361-6560/aa9e32⟩
Article dans une revue hal-01692598v1
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A comprehensive theoretical comparison of proton imaging set-ups in terms of spatial resolution

N. Krah , Feriel Khellaf , Jean Michel Létang , S. Rit , I. Rinaldi
Physics in Medicine and Biology, 2018, 63 (13), ⟨10.1088/1361-6560/aaca1f⟩
Article dans une revue hal-01909706v1

Optimization of dual-energy CT acquisitions for proton therapy using projection-based decomposition

Gloria Vilches-Freixas , Jean Michel Létang , Nicolas Ducros , Simon Rit
Medical Physics, 2017, 44 (9), pp.4548-4558 ⟨10.1002/mp.12448⟩
Article dans une revue hal-01572447v1
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Comparison of projection- and image-based methods for proton stopping power estimation using dual energy CT

Gloria Vilches-Freixas , Vicki Trier Taasti , Ludvig Paul Muren , Jørgen Breede Baltzer Petersen , Jean Michel Létang
Physics and Imaging in Radiation Oncology, 2017, 3, pp.28 - 36. ⟨10.1016/j.phro.2017.08.001⟩
Article dans une revue hal-01743242v1

Technical Note: Procedure for the calibration and validation of kilo-voltage cone-beam CT models

Gloria Vilches-Freixas , Jean Michel Létang , Sébastien Brousmiche , Edward Roméro , Marc Vila Oliva
Medical Physics, 2016, 43, pp.5199. ⟨10.1118/1.4961400⟩
Article dans une revue hal-01375588v1

Filtered back-projection reconstruction for attenuation proton CT along most likely paths

C.T. Quinones , J. M. Létang , S. Rit
Physics in Medicine and Biology, 2016, 61 (9), pp.3258-3278. ⟨10.1088/0031-9155/61/9/3258⟩
Article dans une revue hal-01375745v1

Monte Carlo comparison of x-ray and proton CT for range calculations of proton therapy beams

N. Arbor , D. Dauvergne , G. Dedes , Jean Michel Létang , K. Parodi
Physics in Medicine and Biology, 2015, 60 (19), pp.7585-7599. ⟨10.1088/0031-9155/60/19/7585⟩
Article dans une revue hal-01205940v1

Split exponential track length estimator for Monte-Carlo simulations of small-animal radiation therapy

F Smekens , J M Létang , C Noblet , S Chiavassa , G Delpon
Physics in Medicine and Biology, 2014, 59 (24), pp.7703-7715. ⟨10.1088/0031-9155/59/24/7703⟩
Article dans une revue hal-01124424v1

Filtered backprojection proton CT reconstruction along most likely paths

S. Rit , G. Dedes , N. Freud , D. Sarrut , J.-M. Letang
Medical Physics, 2013, 40 (3), pp.031103. ⟨10.1118/1.4789589⟩
Article dans une revue hal-00796949v1
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Ability of exponential data consistency conditions to detect motion in SPECT despite other physical effects

Antoine Robert , David Sarrut , A. Etxebeste , Jean Michel Létang , Simon Rit
17th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, Jul 2023, Stony Brook, NY, United States. pp.337-340
Communication dans un congrès hal-04265586v1
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Taking into account wave effects in Monte Carlo simulation of phase contrast imaging using the Wigner Distribution Function

Emilie Pietersoone , Max Langer , Simon Rit , Jean Michel Létang , Emmanuel Brun
École CohereX - Science with coherent X-rays at 3rd and 4th generation synchrotron sources, Oct 2023, Cargèse, France. pp.9-10
Communication dans un congrès hal-04429502v1
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Region-of-Interest CT Reconstruction using One-Endpoint Hilbert Inversion in Optimized Directions

Aurélien Coussat , Simon Rit , Michel Defrise , Jean Michel Létang , Jean Michel Létang
Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, Jul 2021, Leuven, Belgium. pp.427-430
Communication dans un congrès hal-03375756v1
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Motion detection in helical CT using data consistency conditions

Mélanie Mouchet , Simon Rit , Jean Michel Létang
2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Oct 2020, Boston, United States. pp.1-3, ⟨10.1109/NSS/MIC42677.2020.9507979⟩
Communication dans un congrès hal-03511400v1
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ROI CT reconstruction combining analytic inversion of the finite Hilbert transform and SVD

Aurélien Coussat , Simon Rit , Rolf Clackdoyle , Michel Defrise , Laurent Desbat
Sixth international conference on image formation in X-ray computed tomography, Aug 2020, Regensburg, Germany. pp.526-529
Communication dans un congrès hal-03014228v1

Proton scatter radiography with integration-mode detectors by exploiting the West-Sherwood effect

Ahmad Addoum , Nils Krah , Jean Michel Létang , Simon Rit
2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Oct 2019, Manchester, United Kingdom
Communication dans un congrès hal-03126835v1

A comparison of direct reconstruction algorithms in proton CT

Feriel Khellaf , Nils Krah , Jean Michel Létang , Simon Rit
2nd Ion Imaging Workshop 2019, Jun 2019, Manchester, United Kingdom
Communication dans un congrès hal-03128314v1

An analytical method to sample proton trajectories under the influence of multiple Coulomb scattering

Nils Krah , Jean Michel Létang , Simon Rit
International Conference on the Use of Computers in Radiation Therapy (ICCR), Jun 2019, Montreal, Canada
Communication dans un congrès hal-02283827v1

Monte Carlo simulation of the most likely path of protons through a transverse heterogeneity

Feriel Khellaf , Nils Krah , Ilaria Rinaldi , Jean Michel Létang , Simon Rit
IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Nov 2018, Sydney, Australia
Communication dans un congrès hal-02330901v1

A theoretical comparison of different proton imaging set-ups

Nils Krah , F. Khellaf , Jean Michel Létang , S. Rit , I. Rinaldi
The 4th Loma Linda workshop, Aug 2018, Loma Linda, United States
Communication dans un congrès hal-02048665v1

Which proton imaging set-up should we use in a proton therapy facility?

Nils Krah , Feriel Khellaf , Jean Michel Létang , Simon Rit , Ilaria Rinaldi
57th Annual Meeting of the Particle Therapy Cooperative Group (PTCOG), May 2018, Cincinnati, United States
Communication dans un congrès hal-02050814v1

Plateforme didactique mutualisée de travaux pratiques en instrumentation et imagerie biomédicale

David Rousseau , Bonet Axel , Bruno Montcel , Cédric Ray , Kevin Tse Ve Koon
12ème édition du colloque du Club EEA consacré à l'Enseignement des Technologies de l'Information et des Systèmes - CETSIS 2017, May 2017, Le Mans, France
Communication dans un congrès hal-01598498v1

Imagerie X spectrale: décomposition en base de matériaux par calibration polynomiale

Nicolas Ducros , Odran Pivot , Simon Rit , Jean Michel Létang , Juan F P J Abascal
Recherche en Imagerie et Technologies pour la Santé (RITS) 2017, Mar 2017, Lyon, France
Communication dans un congrès hal-01504949v1
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Dual-energy CT spectra optimization for proton treatment planning

Gloria Vilches-Freixas , Jean Michel Létang , Nicolas Ducros , Simon Rit
The 4th International Conference on Image Formation in X-Ray Computed Tomography, Jul 2016, Bamberg, Germany. pp.585-588
Communication dans un congrès hal-01437430v1

List-mode proton CT reconstruction using their most likely paths via the finite Hilbert transform of the derivative of the backprojection

Simon Rit , Rolf Clackdoyle , Jan Hoskovec , Jean Michel Létang
The 13th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, May 2015, Newport, Rhode Island, United States. pp.324-327
Communication dans un congrès hal-01272941v1

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

Optimal dose balance between energy levels for material decomposition with dual-energy X-ray CT

G. Vilches-Freixas , Jean Michel Létang , K. Presich , P. Steininger , S. Rit
3rd ESTRO Forum 2015, Apr 2015, Barcelona, Spain. pp.PO-0959
Communication dans un congrès hal-01280844v1

Monte Carlo evaluation of X-ray and proton CT for the prediction of the range of proton therapy beams

N. Arbor , D. Dauvergne , G. Dedes , Jean Michel Létang , K. Parodi
3rd ESTRO Forum 2015, Apr 2015, Barcelona, Spain. p87 PD-0139
Communication dans un congrès hal-01279593v1

Simulation of x-ray images from the planning CT for online correction of scatter in cone-beam CT

S. Rit , E. Romero , M. Vila Oliva , S. Brousmiche , D. Sarrut
ESTRO 33, Apr 2014, Vienne, Austria. pp.PO-0921
Communication dans un congrès hal-01053241v1

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

In-silico comparison of X-ray and proton computed tomography for proton therapy dose simulation with a full Monte Carlo treatment planning

N. Arbor , Jean Michel Létang , D. Dauvergne , E. Testa , G. Dedes
IEEE Nuclear Science Symposium & Medical Imaging Conference, Nov 2014, Seattle, United States
Communication dans un congrès hal-01054233v1

Spatial resolution and electron density study for proton computed tomography (pCT), using a curved proton track reconstruction algorithm

G. Dedes , S. Rit , D. Dauvergne , N. Freud , J. Krimmer
52nd Annual Conference of the Particle Therapy Co-Operative Group, Jun 2013, Essen, Germany
Communication dans un congrès hal-00838489v1

Electron density resolution determination and systematic uncertainties in proton computed tomography (pcT)

G. Dedes , S. Rit , D. Dauvergne , M. de Rydt , N. Freud
IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Oct 2012, Anaheim, United States. ⟨10.1109/NSSMIC.2012.6551586⟩
Communication dans un congrès hal-01149111v1

Distance-driven binning for proton CT filtered backprojection along most likely paths

S. Rit , N. Freud , D. Sarrut , J.-M. Letang
Second International Conference on Image Formation in X-Ray Computed Tomography, Jun 2012, Salt Lake City, United States. pp.382
Communication dans un congrès hal-00829634v1

Region-of-Interest CT Reconstruction using One-Endpoint Hilbert Inversion in Optimized Directions

Aurélien Coussat , Simon Rit , Michel Defrise , Jean Michel Létang
16th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (Fully3D), Jul 2021, Leuven, Belgium. , pp.427-430, Proceedings of the 16th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (Fully3D)
Poster de conférence hal-03706300v1

Stopping power ratio estimation for proton therapy dose calculations using projection- vs. image-based dual-energy CT methods

G. Vilches-Freixas , V. Taasti , D. Hansen , Jean Michel Létang , L. Muren
56th annual conférence of the Particle Therapy Co-operative Group - PTCOG 56, May 2017, Pacifico Yokohama, Yokohama, Japan. 2017
Poster de conférence hal-01714316v1

Décomposition en base de matériaux à partir de données issues du scanner spectral PIXSCAN-FLI

Nicolas Ducros , Odran Pivot , Mathieu Dupont , Jean Michel Létang , Simon Rit
2ème congrès national d'imagerie du vivant CNIV 2017, Nov 2017, Paris, France. 2017
Poster de conférence hal-01744888v1

Material decomposition using the PIXSCAN-FLI spectral micro-CT

Nicolas Ducros , Odran Pivot , Dupont M. , Olga Kochebina , Jean Michel Létang
IEEE NSS MIC RTSD 2017 Conference, Oct 2017, Atlanta, United States. pp.#2987, 2017
Poster de conférence hal-01743323v1

An improved computational method to optimize the stopping power calibration curve for patient-specific proton therapy planning

Nils Krah , Mauro Testa , Jean Michel Létang , Simon Rit , Ilaria Rinaldi
IEEE NSS MIC 2016, Oct 2016, Strasbourg, France
Poster de conférence hal-01492914v1

Comparaison par simulation Monte-Carlo de l'imagerie X et de l'imagerie proton pour le calcul de dose en protonthérapie

N. Arbor , Jean Michel Létang , D. Dauvergne , E. Testa , G. Dedes
9ème journée scientifique du CLARA, Jun 2014, Lyon, France
Poster de conférence hal-01054167v1