Search Results - "Espana, S."

Monte Carlo patient study on the comparison of prompt gamma and PET imaging for range verification in proton therapy by Moteabbed, M, España, S, Paganetti, H

“…The purpose of this work was to compare the clinical adaptation of prompt gamma (PG) imaging and positron emission tomography (PET) as independent tools for…”
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A comparative study of sensitizers and liposome composition in radiation-induced controlled drug release for cancer therapy by Loscertales, E, Mateo, J, España, S

“…This study investigates drug-loaded liposomes designed for controlled release under ionizing radiation to refine cancer treatment precision. Liposomes as…”
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The reliability of proton-nuclear interaction cross-section data to predict proton-induced PET images in proton therapy by España, S, Zhu, X, Daartz, J, El Fakhri, G, Bortfeld, T, Paganetti, H

“…In vivo PET range verification relies on the comparison of measured and simulated activity distributions. The accuracy of the simulated distribution depends on…”
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Dictionary-based software for proton dose reconstruction and submilimetric range verification by Onecha, V V, Galve, P, Ibáñez, P, Freijo, C, Arias-Valcayo, F, Sanchez-Parcerisa, D, España, S, Fraile, L M, Udías, J M

“…This paper presents a new method for fast reconstruction (compatible with in-beam use) of deposited dose during proton therapy using data acquired from a PET…”
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Neural network language models for off-line handwriting recognition by Zamora-Martínez, F., Frinken, V., España-Boquera, S., Castro-Bleda, M.J., Fischer, A., Bunke, H.

“…Unconstrained off-line continuous handwritten text recognition is a very challenging task which has been recently addressed by different promising techniques…”
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Positron range estimations with PeneloPET by Cal-González, J, Herraiz, J L, España, S, Corzo, P M G, Vaquero, J J, Desco, M, Udias, J M

“…Technical advances towards high resolution PET imaging try to overcome the inherent physical limitations to spatial resolution. Positrons travel in tissue…”
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Optimized light sharing for high-resolution TOF PET detector based on digital silicon photomultipliers by Marcinkowski, R, España, S, Van Holen, R, Vandenberghe, S

“…The majority of current whole-body PET scanners are based on pixelated scintillator arrays with a transverse pixel size of 4 mm. However, recent studies have…”
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Can iodine be used as a contrast agent for protontherapy range verification? Measurement of the 127I(p,n)127mXe (reaction) cross section in the 4.5–10 MeV energy range by Espinosa Rodriguez, A., Onecha, V.V., Sánchez-Tembleque, V., Gutiérrez-Neira, C., García-Díez, M., Ibáñez, P., España, S., Sánchez-Parcerisa, D., Udías, J.M., Fraile, L.M.

“…Full exploitation of the therapeutic potential of protontherapy is still prevented by uncertainties in the determination of the proton range within the…”
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GPU-Based Fast Iterative Reconstruction of Fully 3-D PET Sinograms by Herraiz, J. L., España, S., Cabido, R., Montemayor, A. S., Desco, M., Vaquero, J. J., Udias, J. M.

“…This work presents a graphics processing unit (GPU)-based implementation of a fully 3-D PET iterative reconstruction code, FIRST (Fast Iterative Reconstruction…”
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Nutritional properties of dishes prepared with sub-Antarctic macroalgae—an opportunity for healthy eating by Astorga-España, Ma. S., Mansilla, A., Ojeda, J., Marambio, J., Rosenfeld, S., Mendez, F., Rodriguez, J. P., Ocaranza, P.

“…In order to promote the use of sub-Antarctic macroalgae as food, three species of seaweeds, Macrocystis pyrifera , Pyropia columbina , and Durvillaea…”
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FIRST: Fast Iterative Reconstruction Software for (PET) tomography by Herraiz, J L, España, S, Vaquero, J J, Desco, M, Udías, J M

“…Small animal PET scanners require high spatial resolution and good sensitivity. To reconstruct high-resolution images in 3D-PET, iterative methods, such as…”
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The NoisyOffice Database: A Corpus To Train Supervised Machine Learning Filters For Image Processing by Castro-Bleda, M J, España-Boquera, S, Pastor-Pellicer, J, Zamora-Martínez, F

“…Abstract This paper presents the ‘NoisyOffice’ database. It consists of images of printed text documents with noise mainly caused by uncleanliness from a…”
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Monte Carlo simulations versus experimental measurements in a small animal PET system. A comparison in the NEMA NU 4-2008 framework by Popota, F D, Aguiar, P, España, S, Lois, C, Udias, J M, Ros, D, Pavia, J, Gispert, J D

“…In this work a comparison between experimental and simulated data using GATE and PeneloPET Monte Carlo simulation packages is presented. All simulated setups,…”
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Experimental validation of gallium production and isotope-dependent positron range correction in PET by Fraile, L.M., Herraiz, J.L., Udías, J.M., Cal-González, J., Corzo, P.M.G., España, S., Herranz, E., Pérez-Liva, M., Picado, E., Vicente, E., Muñoz-Martín, A., Vaquero, J.J.

“…Positron range (PR) is one of the important factors that limit the spatial resolution of positron emission tomography (PET) preclinical images. Its blurring…”
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Evaluation of resistive-plate-chamber-based TOF-PET applied to in-beam particle therapy monitoring by Torres-Espallardo, I, Diblen, F, Rohling, H, Solevi, P, Gillam, J, Watts, D, España, S, Vandenberghe, S, Fiedler, F, Rafecas, M

“…Particle therapy is a highly conformal radiotherapy technique which reduces the dose deposited to the surrounding normal tissues. In order to fully exploit its…”
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Improved dead-time correction for PET scanners: application to small-animal PET by Vicente, E, Herraiz, J L, España, S, Herranz, E, Desco, M, Vaquero, J J, Udías, J M

“…Pile-up and dead-time are two main causes of nonlinearity in the response of a PET scanner as a function of activity in the field of view (FOV). For a given…”
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PeneloPET, a Monte Carlo PET simulation tool based on PENELOPE: features and validation by España, S, Herraiz, J L, Vicente, E, Vaquero, J J, Desco, M, Udias, J M

“…Monte Carlo simulations play an important role in positron emission tomography (PET) imaging, as an essential tool for the research and development of new…”
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Evaluation of PeneloPET Simulations of Biograph PET/CT Scanners by Abushab, K. M., Herraiz, J. L., Vicente, E., Cal-Gonzalez, J., Espana, S., Vaquero, J. J., Jakoby, B. W., Udias, J. M.

“…Monte Carlo (MC) simulations are widely used in positron emission tomography (PET) for optimizing detector design, acquisition protocols, and evaluating…”
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Misalignments calibration in small-animal PET scanners based on rotating planar detectors and parallel-beam geometry by Abella, M, Vicente, E, Rodríguez-Ruano, A, España, S, Lage, E, Desco, M, Udias, J M, Vaquero, J J

“…Technological advances have improved the assembly process of PET detectors, resulting in quite small mechanical tolerances. However, in high-spatial-resolution…”
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The effect of tissue-segmented attenuation maps on PET quantification with a special focus on large arteries by Mota-Cobian, A, Alonso-Farto, J C, Fernández-Friera, L, Sánchez-González, J, López-Melgar, B, Jiménez-Borreguero, L J, Fuster, V, Ruiz-Cabello, J, España, S

“…OBJECTIVESAccuracy on quantitative PET image analysis relies on the correct application of attenuation correction which is one of the major challenges for…”
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