Bellido, P.; Seimetz, Michael; Soriano, A.; Huertas, C.; García Lopez, J.; Jimenez-Ramos, M. C:; Fernandez, B.; Conde, P.; Crespo, E.; González Martínez, Antonio Javier; Hernández, L.; Iborra, A.; Martos, F.; Moliner, L.; Rigla, J. P.; Rodríguez-Álvarez, M. J.; Sánchez, F.; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María(IEEE, 2013-11-02)
[Otros] When an ultra-intense and ultra-short laser pulse
interacts with solid matter a fraction of the laser pulse can be
converted into kinetic energy of a beam of charged particles.
Radiochromic film (RCF), widely ...
Iborra, A.; Rodríguez-Álvarez, M. J.; Soriano, A.; Sánchez, F.; Bellido, P.; Conde, P.; Crespo, E.; González Martínez, Antonio Javier; Martos, F.; Moliner, L.; Rigla, J. P.; Seimetz, Michael; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María(IEEE, 2013-11-02)
[EN] The QR-Decomposition algorithm for CT 3D image
reconstruction uses a linear system of equations to model the
CT system response. Linear systems have a condition number
that can be used to estimate the image noise. ...
Soriano Asensi, Antonio; Rodríguez Álvarez, María José; Iborra Carreres, Amadeo; Sánchez Martínez, Filomeno; Carles Fariña, Montserrat; Conde Castellanos, Pablo Eloy; González Martínez, Antonio Javier; Hernández Hernández, Liczandro; Moliner Martínez, Laura; Orero Palomares, Abel; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María(Institute of Physics: Hybrid Open Access, 2013-01)
[EN] The splitting of the field of view (FOV) in polar voxels is proposed in this work in
order to obtain an efficient description of a cone-beam computed tomography (CT) scanner. The
proposed symmetric-polar pixelation ...
[EN] We propose an ensemble of multilayer feedforward neural networks to estimate the 3D position of photoelectric interactions in monolithic detectors. The ensemble is trained with data generated from optical Monte Carlo ...
Lamprou, Efthymios; González Martínez, Antonio Javier; Sánchez Martínez, Filomeno; Benlloch Baviera, Jose María(Elsevier, 2020-02)
[EN] Monolithic scintillators are more frequently used in PET instrumentation due to their advantages in terms of accurate position estimation of the impinging gamma rays both planar and depth of interaction, their increased ...
[EN] There are drawbacks with using a Positron Emission Tomography (PET) scanner design employing the traditional arrangement of multiple detectors in an array format. Typically PET systems are constructed with many regular ...
[EN] Aim. Recently, a high-resolution dedicated PET system for hanging breast imaging (MAMMI PET) has been developed to improve primary tumor detection and characterization. The aim of this pilot study was to assess its ...
Ilisie, Victor; Moliner, Laura; Oliver-Gil, Sandra; Sánchez Martínez, Filomeno; González Martínez, Antonio Javier; Seimetz, Michael; Rodríguez Álvarez, María José; Benlloch Baviera, Jose María(Nature Publishing Group, 2019-12-05)
[EN] Gamma cameras are of great interest due to their high potential in the field of Nuclear Medicine Imaging. They allow for an early diagnosis of reduced size tumors, and also for a wide variety of preclinical studies ...
Moliner Martínez, Laura; Correcher, Carlos; González Martínez, Antonio Javier; Conde Castellanos, Pablo Eloy; Hernández Hernández, Liczandro; Orero Palomares, Abel; Rodríguez Álvarez, María José; Sánchez Martínez, Filomeno; Soriano Asensi, Antonio; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María(Elsevier, 2013-02-21)
In this work we present an innovative algorithm for the reconstruction of PET images based on the List-Mode (LM) technique which improves their spatial resolution compared to results obtained with current MLEM algorithms. ...
Freire López-Fando, Marta(Universitat Politècnica de València, 2023-09-07)
[ES] La Tomografía por Emisión de Positrones (PET) es una potente técnica de imagen que proporciona mediante el uso de radiofármacos específicos medidas cuantitativas de los procesos biológicos y fisiológicos que tienen ...
Lamprou, Efthymios; Sánchez Martínez, Filomeno; Benlloch Baviera, Jose María; González Martínez, Antonio Javier(Elsevier, 2020-10-11)
[EN] In recent years high efforts have been devoted to enhance spatial and temporal resolutions of PET detectors. However, accurately combining these two main features is, in most of the cases, challenging. Typically, a ...
Balcerzyk, Marcin; Kontaxakis, George; Delgado, Mercedes; Garcia-Garcia, Luis; Correcher Salvador, Carlos; González Martínez, Antonio Javier; Gonzalez, Aurora; Rubio, Jose L.; Benlloch Baviera, Jose María; Pozo, Miguel A.(IOP Publishing, 2009-10)
The user evaluation of the Albira small animal positron emission tomography scanner is presented. The system has a circle divide 80 mm x 40 mm field of view. In the center of the field of view, it has 2.49% sensitivity, ...
González Martínez, Antonio Javier; Peiró Cloquell, Antonio; Sánchez Martínez, Filomeno; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María(Elsevier, 2012-12-11)
The use of Silicon Photomultipliers (SiPM) has been proposed for Positron Emission Tomography (PET)
readout because they are hardly affected by magnetic fields and their time response enables Time of
Flight measurements. ...
Lecoq, Paul; Konstantinou, Georgios; Latella, Riccardo; Moliner Martínez, Laura; Nuyts, Johan; Zhang, Lei; Barrio, John; Benlloch Baviera, Jose María; González Martínez, Antonio Javier(Institute of Electrical and Electronics Engineers, 2022-05)
[EN] We report on the progress on a first generation of
realistic size metascintillators for time-of-flight PET. These heterostructures combine dense LYSO or BGO plates, interleaved
with fast scintillator layers producing ...
Cañizares, Gabriel; Espinós-Morató, Héctor; Santos, Joaquín; Hernández, Ángel; Moliner, Laura; Álvarez-Gómez, Juan Manuel; González Martínez, Antonio Javier; Sánchez, F; Rodríguez-Álvarez, MJ.; Benlloch Baviera, Jose María(IEEE, 2019-11-02)
[EN] Motion correction algorithms are necessary in PET studies where the patient cannot remain totally static. Otherwise, artifacts appear in the final reconstructed image, degrading the spatial resolution or even misplacing ...
Moliner, Laura; Rodriguez-Alvarez, Maria J.; CATRET MASCARELL, JUAN VICENTE; González Martínez, Antonio Javier; Ilisie, Victor; Benlloch Baviera, Jose María(Nature Publishing Group, 2019-10-29)
[EN] This article presents system performance studies of the CareMiBrain dedicated brain PET according to NEMA NU 2-2012 (for whole-body PETS) and NU 4-2008 (for preclinical PETs). This scanner is based on monolithic LYSO ...
Iborra Carreres, Amadeo; Rodríguez Álvarez, María José; Soriano Asensi, Antonio; Sanchez, F.; Bellido, P.; Conde Castellanos, Pablo Eloy; Crespo Navarro, Efren; González Martínez, Antonio Javier; Moliner Martínez, Laura; Rigla Pérez, Juan Pablo; Seimetz, Michael; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María(Institute of Electrical and Electronics Engineers (IEEE), 2015-06)
In this paper, the noise of 3D computed tomography
(CT) image reconstruction using QR-Decomposition is analyzed.
There are several types of image noise that can interfere with the
interpretation of an image. Here, the ...
González, A.; Sanchez, Filomeno; Bruyndonckx, Peter; Cañizares-Ledo, Gabriel; Benlloch Baviera, Jose María; González Martínez, Antonio Javier(Elsevier, 2019-03-11)
[EN] The main aim of this work is to provide a method to retrieve the intrinsic spatial resolution of a gamma-ray detector block based on monolithic crystals within an assembled scanner. This method consists on a discrimination ...
González Martínez, Antonio Javier; Sánchez, F.; Benlloch Baviera, Jose María(Institute of Electrical and Electronics Engineers, 2018-09)
[EN] In this review, we will cover both clinical and technical aspects of the advantages and disadvantages of organ specific (dedicated) molecular imaging (MI) systems, namely positron emission tomography (PET) and single ...
Gonzalez-Montoro, Andrea; González Martínez, Antonio Javier(IOP Publishing, 2019-07)
[EN] The use of photosensors of the type Silicon Photomultpliers (SiPM) has widely been extended in recent years for multiple applications in both research and industry. However, there is a lack of comparative studies of ...