PET image reconstruction: A stopping rule for the MLEM algorithm based on properties of the updating coefficients
Gaitanis, Anastasios, Kontaxakis, George, Spyrou, George, Panayiotakis, George, Tzanakos, George
Published in Computerized medical imaging and graphics (01.03.2010)
Published in Computerized medical imaging and graphics (01.03.2010)
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Journal Article
Use of Laughter for the Detection of Parkinson's Disease: Feasibility Study for Clinical Decision Support Systems, Based on Speech Recognition and Automatic Classification Techniques
Terriza, Miguel, Navarro, Jorge, Retuerta, Irene, Alfageme, Nuria, San-Segundo, Ruben, Kontaxakis, George, Garcia-Martin, Elena, Marijuan, Pedro C, Panetsos, Fivos
Published in International journal of environmental research and public health (01.09.2022)
Published in International journal of environmental research and public health (01.09.2022)
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Journal Article
Super-Resolution in Respiratory Synchronized Positron Emission Tomography
Wallach, Daphné, Lamare, Frédéric, Kontaxakis, G., Visvikis, D.
Published in IEEE transactions on medical imaging (01.02.2012)
Published in IEEE transactions on medical imaging (01.02.2012)
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Journal Article
Geometrical and Monte Carlo projectors in 3D PET reconstruction
Aguiar, Pablo, Rafecas, Magdalena, Ortuño, Juan Enrique, Kontaxakis, George, Santos, Andrés, Pavía, Javier, Ros, Domènec
Published in Medical physics (Lancaster) (01.11.2010)
Published in Medical physics (Lancaster) (01.11.2010)
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Journal Article
Studying the properties of the updating coefficients in the OSEM algorithm for iterative image reconstruction in PET
Gaitanis, Anastasios, Kontaxakis, George, Spyrou, George, Panayiotakis, George, Tzanakos, George
Published in Computer methods and programs in biomedicine (01.09.2010)
Published in Computer methods and programs in biomedicine (01.09.2010)
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Journal Article
Initial performance evaluation of a high resolution Albira small animal positron emission tomography scanner with monolithic crystals and depth-of-interaction encoding from a user's perspective
Balcerzyk, Marcin, Kontaxakis, George, Delgado, Mercedes, Garcia-Garcia, Luis, Correcher, Carlos, Gonzalez, Antonio J, Gonzalez, Aurora, Rubio, Jose L, Benlloch, Jose M, Pozo, Miguel A
Published in Measurement science & technology (01.10.2009)
Published in Measurement science & technology (01.10.2009)
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Journal Article
TeleHealth networks: Instant messaging and point-to-point communication over the internet
Sachpazidis, Ilias, Ohl, Roland, Kontaxakis, George, Sakas, Georgios
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
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Journal Article
3D-OSEM iterative image reconstruction for high-resolution PET using precalculated system matrix
Ortuño, Juan E., Guerra-Gutiérrez, Pedro, Rubio, José L., Kontaxakis, George, Santos, Andrés
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
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Journal Article
Evaluation of a spline reconstruction technique: Comparison with FBP, MLEM and OSEM
Kastis, G A, Gaitanis, A, Fernandez, Y, Kontaxakis, G, Fokas, A S
Published in IEEE Nuclear Science Symposuim & Medical Imaging Conference (01.10.2010)
Published in IEEE Nuclear Science Symposuim & Medical Imaging Conference (01.10.2010)
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Conference Proceeding
Evaluation of data reduction methods for dynamic PET series based on Monte Carlo techniques and the NCAT phantom
Thireou, Trias, Rubio Guivernau, José Luis, Atlamazoglou, Vassilis, Ledesma, Maria Jesús, Pavlopoulos, Sotiris, Santos, Andrés, Kontaxakis, George
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
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Journal Article
Towards a stopping rule for the OSEM algorithm for iterative image reconstruction in PET
Gaitanis, Anastasios, Kontaxakis, George, Spyrou, George, Panayiotakis, George, Tzanakos, George
Published in 2008 IEEE Nuclear Science Symposium Conference Record (01.10.2008)
Published in 2008 IEEE Nuclear Science Symposium Conference Record (01.10.2008)
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Conference Proceeding
Blind source separation for the computational analysis of dynamic oncological PET studies
Thireou, Trias, Pavlopoulos, Sotiris, Kontaxakis, George, Santos, Andres
Published in Oncology reports (01.01.2006)
Published in Oncology reports (01.01.2006)
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Journal Article
A methodology for the estimation of the optimal iteration in MLEM-based image reconstruction in PET
Pafilis, C., Gaitanis, A., Gatis, C., Kontaxakis, G., Spyrou, G., Panayiotakis, G., Tzanakos, G.
Published in 2011 10th International Workshop on Biomedical Engineering (01.10.2011)
Published in 2011 10th International Workshop on Biomedical Engineering (01.10.2011)
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Conference Proceeding
European health telematics networks for positron emission tomography
Kontaxakis, George, Pozo, Miguel Angel, Ohl, Roland, Visvikis, Dimitris, Sachpazidis, Ilias, Ortega, Fernando, Guerra, Pedro, Cheze-Le Rest, Catherine, Selby, Peter, Pan, Leyun, Diaz, Javier, Dimitrakopoulou-Strauss, Antonia, Santos, Andres, Strauss, Ludwig, Sakas, Georgios
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (20.12.2006)
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Journal Article
Log-likelihood-based rule for image quality monitoring in the MLEM-based image reconstruction for PET
Gaitanis, A., Kontaxakis, G., Spyrou, G., Panayiotakis, G., Tzanakos, G.
Published in 2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC) (01.10.2009)
Published in 2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC) (01.10.2009)
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Conference Proceeding
Modeling the acquisition front-end in high resolution gamma-ray imaging
Guerra, P., Ortuno, J.E., Vaquero, J.J., Kontaxakis, G., Desco, M., Santos, A.
Published in IEEE transactions on nuclear science (01.06.2006)
Published in IEEE transactions on nuclear science (01.06.2006)
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Journal Article
Respiratory motion correction in PET with super-resolution techniques and non-rigid registration
Rubio-Guivernau, Jose L., Ledesma-Carbayo, Maria J., Lamare, Frederic, Ortuno, Juan E., Guerra, Pedro, Visvikis, Dimitris, Santos, Andres, Kontaxakis, George
Published in 2007 IEEE Nuclear Science Symposium Conference Record (01.10.2007)
Published in 2007 IEEE Nuclear Science Symposium Conference Record (01.10.2007)
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Conference Proceeding
Performance evaluation of principal component analysis in dynamic FDG-PET studies of recurrent colorectal cancer
Thireou, Trias, Strauss, Ludwig G., Dimitrakopoulou-Strauss, Antonia, Kontaxakis, George, Pavlopoulos, Sotiris, Santos, Andres
Published in Computerized medical imaging and graphics (2003)
Published in Computerized medical imaging and graphics (2003)
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Journal Article