Výsledky vyhledávání - "Hector Perez-Ponce"

K-edge imaging with the XPAD3 hybrid pixel detector, direct comparison of CdTe and Si sensors

Autor: J. Graber-Bolis, Franck Debarbieux, Nils Blanc, Yannick Boursier, Nathalie Boudet, Hector Perez-Ponce, L Portal, J. C. Clemens, C. Buton, C Kronland, Christian Morel, Arkadiusz Dawiec, P A. Delpierre, S. Hustache, F Bompard, M. Dupont, F. Cassol, E. Vigeolas

Publikováno v: Physics in Medicine and Biology
Physics in Medicine and Biology, 2015, 60 (14), pp.5497. ⟨10.1088/0031-9155/60/14/5497⟩
Physics in Medicine and Biology, IOP Publishing, 2015, 60 (14), pp.5497. ⟨10.1088/0031-9155/60/14/5497⟩

International audience; We investigate the improvement from the use of high-Z CdTe sensors for pre-clinical K-edge imaging with the hybrid pixel detectors XPAD3. We compare XPAD3 chips bump bonded to Si or CdTe sensors in identical experimental condi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::360351a14a8301c117cff2e7110f15f7
https://hal.in2p3.fr/in2p3-01184741

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Validation of a digital mammographic unit model for an objective and highly automated clinical image quality assessment

Autor: Christian Daul, Hector Perez-Ponce, Alain Noel, Didier Wolf

Publikováno v: Medical Engineering and Physics
Medical Engineering and Physics, Elsevier, 2013, 35 (8), pp.1089-1096. ⟨10.1016/j.medengphy.2012.11.001⟩

International audience; In mammography, image quality assessment has to be directly related to breast cancer indicator (e.g. microcalcifications) detectability. Recently, we proposed an X-ray source/digital detector (XRS/DD) model leading to such an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9aaa434eaf9ba90ee95ab41bea7aca9
https://hal.archives-ouvertes.fr/hal-00759681

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Geant4-based Monte Carlo simulations on GPU for medical applications

Autor: Ziad El Bitar, A. Bonissent, Yannick Boursier, Damien Vintache, Hector Perez-Ponce, Dimitris Visvikis, Julien Bert, David Brasse, Sébastien Jan, Christian Morel

Publikováno v: Physics in Medicine and Biology
Physics in Medicine and Biology, IOP Publishing, 2013, 58, pp.5593-5611. ⟨10.1088/0031-9155/58/16/5593⟩
Physics in Medicine and Biology, 2013, 58, pp.5593-5611. ⟨10.1088/0031-9155/58/16/5593⟩

Monte Carlo simulation (MCS) plays a key role in medical applications, especially for emission tomography and radiotherapy. However MCS is also associated with long calculation times that prevent its use in routine clinical practice. Recently, graphi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c94306fd1452e2498ac3daee6eebef9
http://hal.in2p3.fr/in2p3-00868985

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Computation of realistic virtual phantom images for an objective lesion detectability assessment in digital mammography

Autor: Hector Perez-Ponce, Christian Daul, Alain Noel, Didier Wolf

Publikováno v: Medical Engineering and Physics
Medical Engineering and Physics, Elsevier, 2011, 33 (10), pp.1276-1286. ⟨10.1016/j.medengphy.2011.06.004⟩

International audience; Image quality assessment is required for an optimal use of mammographic units. On the one hand, there are objective image quality assessment methods based on the measure- ment of technical parameters such as modulation transfe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7187cb2ce1b11dd0d0fa25132a23534b
https://hal.archives-ouvertes.fr/hal-00599912

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Implementing Geant4 on GPU for Medical Applications

Autor: Damien Vintache, David Brasse, Yannick Boursier, Dimitris Visvikis, Julien Bert, Hector Perez-Ponce, Christian Morel, Ziad El Bitar, A. Bonissent

Publikováno v: IEEE Nuclear Science Symposium Conference record
2011 Nuclear Science Symposium and Medical Imaging Conference
2011 Nuclear Science Symposium and Medical Imaging Conference, Oct 2011, Valence, Spain. pp.MIC9.S-295
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Monte Carlo simulations (MCS) play a key role in medical applications, especially in emission imaging (EI) and in radiotherapy (RT). Unfortunately MCS are also associated with long calculation times and for this reason are not currently employed in r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cb8cecc3f6af9c9929ef4b0bb0112b7
http://hal.in2p3.fr/in2p3-00639297

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Hybrid GATE : A GPU/CPU implementation for imaging and therapy applications

Autor: Julien Bert, Hocine Chekatt, Yannick Boursier, David Sarrut, Irène Buvat, Dimitris Visvikis, Ziad El Bitar, Christian Morel, Didier Benoit, Pierre Gueth, David Brasse, Sébastien Jan, Hector Perez-Ponce, Vesna CupJov

Publikováno v: HAL
NSS-MIC 2012: IEEE Nuclear Science Symposium and Medical Imaging Conference
NSS-MIC 2012: IEEE Nuclear Science Symposium and Medical Imaging Conference, Oct 2012, Anaheim, United States
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2012 IEEE
2012 Nuclear Science Symposium, Medical Imaging Conference & Workshop on Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors
2012 Nuclear Science Symposium, Medical Imaging Conference & Workshop on Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors, Oct 2012, Anaheim, Californie, United States. pp.2247-2250, ⟨10.1109/NSSMIC.2012.6551511⟩
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International audience; Monte Carlo simulations (MCS) play a key role in medical applications. In this context GATE is a MCS platform dedicated to medical imaging and particle therapy. Yet MCS are very computationally demanding, which limits their ap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d290aedf48693c364c8fddf34ea7e28d
https://hal.archives-ouvertes.fr/hal-00788144

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