Poves Carrasco, Pablo(Universitat Politècnica de València, 2022-01-05)
[ES] En este trabajo de fin de grado se detalla el diseño e implementación de una librería de análisis de imagen PET (Imagen por emisión de positrones) basada en el protocolo NEMA NU-4 2008, que permite evaluar la calidad ...
González Martínez, Antonio Javier; Conde Castellanos, Pablo Eloy; Iborra Carreres, Amadeo; Aguilar, A.; Bellido, P.; Garcia-Olcina, R.; Hernández Hernández, Liczandro; Moliner Martínez, Laura; Rigla, J. P.; Rodríguez Álvarez, María José; Sánchez, F; Seimetz, Michael; Soriano Asensi, Antonio; Torres, Jose; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María(Elsevier, 2015-07-01)
[EN] We have developed a detector block composed by a monolithic LYSO scintillator coupled to a custom
made 12 12 SiPMs array. The design is mainly focused to applications such as Positron Emission
Tomography. The ...
Iborra Carreres, Amadeo(Universitat Politècnica de València, 2016-01-07)
[EN] Model-based computed tomography (CT) image reconstruction is dominated by iterative algorithms. Although long reconstruction times remain as a barrier in practical applications, techniques to speed up its convergence ...
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 ...
Iborra Carreres, Amadeo(Universitat Politècnica de València, 2012-05-11)
Proponemos varios métodos de construcción de la matriz del sistema (SM) de un escáner de
Tomografía Axial Computerizada (TAC) con dos objetivos: primero construir SMs en el menor tiempo
posible y guardarlas en PCs ...
Rodríguez Álvarez, María José; Soriano Asensi, Antonio; Iborra Carreres, Amadeo; Sánchez Martínez, Filomeno; González Martínez, Antonio Javier; Conde, P.; Hernández Hernández, Liczandro; Moliner Martínez, Laura; Orero Palomares, Abel; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María(Elsevier, 2013-09-01)
We suggest a symmetric-polar pixellation scheme which makes possible a reduction of the computational cost for expectation maximization (EM) iterative algorithms. The proposed symmetric-polar pixellation allows us to deal ...
Álvarez-Gómez, Juan Manuel; Santos-Blasco, Joaquín; Moliner Martínez, Laura; Rodríguez-Álvarez, María José(MDPI AG, 2021-10)
[EN] Improvements in energy resolution of modern positron emission tomography (PET) detectors have created opportunities to implement energy-based scatter correction algorithms. Here, we use the energy information of ...
Marín Colomé, Miquel(Universitat Politècnica de València, 2022-09-02)
[ES] El propósito de este trabajo es hallar un método eficaz para la generación de una base de datos sintética y realista que permita la reconstrucción de imágenes de tomografías por emisión de positrones (PET), como apoyo ...
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 ...
Castillo, Darwin P.; Samaniego, René J.; Jimenez, Yuliana; Cuenca, Luis A.; Vivanco, Oscar A; Álvarez-Gómez, Juan Manuel; Rodríguez-Álvarez, María J.(IEEE, 2019-11-02)
[EN] ¿Brain Magnetic Resonance Images are a very useful
tool for the diagnosis of brain diseases and analyse brain changes.
The appropriate processing (neuroimaging) can help to identify,
measure and classify different ...
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. ...