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Listar por autor "Moratal Pérez, David"

Mostrando ítems 1-20 de 298

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"PINOT": Time-Resolved Parallel Magnetic Resonance Imaging With a Reduced Dynamic Field of View

Hamilton, Lei Hou; Acebrón Fabregat, Javier; Moratal Pérez, David; Ramamurthy, Senthil; Lerakis, Stamatios; Parks, W. James; Sallee, Denver; Brummer, Marijn E. (Wiley, 2011-04)

This article introduces a novel method named "Parallel Imaging and Noquist in Tandem" (PINOT) for accelerated image acquisition of cine cardiac magnetic resonance imaging. This method combines two prior information formalisms, ...
2D and 3D texture analysis to differentiate brain metastases on MR images: proceed with caution

Beresova, Monika; Larroza, Andrés; Arana, Estanislao; Varga, Jozsef; Balkay, Laszlo; Moratal, David (Springer-Verlag, 2018-04)

[EN] To find structural differences between brain metastases of lung and breast cancer, computing their heterogeneity parameters by means of both 2D and 3D texture analysis (TA). Patients with 58 brain metastases from ...
A Ciliary Motility Index for Activity Measurement in Cell Cultures With Respiratory Syncytial Virus

Parrilla Bernabé, Eduardo; Armengot, Miguel; Mata, Manuel; Carda, Carmen; Cortijo, Julio; Moratal, David; Ginestar Peiro, Damián; Hueso, José L.; Riera Guasp, Jaime (SAGE Publishing, 2019-03-01)

[EN] Background: The respiratory epithelium is frequently infected by the respiratory syncytial virus, resulting in inflammation, a reduction in cilia activity and an increase in the production of mucus. Methods: In this ...
A didactic tool for the study of Computed Tomography image reconstruction

El Hajj, Rida (Universitat Politècnica de València, 2015-05-11)

The main goal of this project was to design a didactic software tool that could permit a user to study the mechanisms behind the image reconstruction in Computerized Axial Tomography (also known as Computed Tomography), ...
A fractal nature for polymerized laminin

Hochman Méndez, Carlos; Cantini ., Marco; Moratal Pérez, David; Salmerón Sánchez, Manuel; Coelho-Sampaio, Tatiana (Public Library of Science, 2014-10)

Polylaminin (polyLM) is a non-covalent acid-induced nano- and micro-structured polymer of the protein laminin displaying distinguished biological properties. Polylaminin stimulates neuritogenesis beyond the levels achieved ...
A fully automated level-set based segmentation method of thoracic and lumbar vertebral bodies in computed tomography images

Ruiz España, Silvia; Díaz Parra, Antonio; Arana Fernandez de Moya, Estanislao; Moratal Pérez, David (2015)

Spine is a structure commonly involved in several diseases. Identification and segmentation of the vertebral structures are of relevance to many medical applications related to the spine such as diagnosis, therapy or ...
A fully automated method for segmentation and classification of local field potential recordings. Preliminary results

Díaz-Parra, Antonio; Canals, S.; Moratal, David (IEEE Engineering in Medicine and Biology Society, 2017-09-14)

[EN] Identification of brain states measured with electrophysiological methods such as electroencephalography and local field potential (LFP) recordings is of great importance in numerous neuroscientific applications. For ...
A Fully Automated Method for Spinal Canal Detection in Computed Tomography Images

Díaz Parra, Antonio; Arana Fernandez de Moya, Estanislao; Moratal Pérez, David (2014)

This work presents a new automated method for spinal canal detection in Computed Tomography (CT) images. It uses both 2D and 3D information and the algorithm extracts the spinal canal automatically. The procedure can be ...
A generalized entropy-based two-phase threshold algorithm for noisy medical image edge detection

Elaraby, A; Moratal, David (Elsevier, 2017)

[EN] Edge detection in medical imaging is a significant task for object recognition of human organs and is considered a pre-processing step in medical image segmentation and reconstruction. This article proposes an efficient ...
A network science approach of the macroscopic organization of the brain: analysis of structural and functional brain networks in health and disease

Díaz Parra, Antonio (Universitat Politècnica de València, 2018-09-10)

El cerebro está constituido por numerosos elementos que se encuentran interconectados de forma masiva y organizados en módulos que forman redes jerárquicas. Ciertas patologías cerebrales, como la enfermedad de Alzheimer y ...
A Novel Clinical and Stress Cardiac Magnetic Resonance (C-CMR-10) Score to Predict Long-Term All-Cause Mortality in Patients with Known or Suspected Chronic Coronary Syndrome

Marcos-Garces, Victor; Gavara-Doñate, Josep; Monmeneu-Menadas, Jose Vicente; Lopez-Lereu, Maria P.; Pérez, Nerea; Rios-Navarro, César; De Dios, Elena; Moratal, David; Miñana, Gema; Núñez, Julio; Chorro Gasco, Francisco J.; Bodi, V. (MDPI AG, 2020-06)

[EN] Vasodilator stress cardiac magnetic resonance (stressCMR) has shown robust diagnostic and prognostic value in patients with known or suspected chronic coronary syndrome (CCS). However, it is unknown whether integration ...
A radiomics evaluation of 2D and 3D MRI texture features to classify brain metastases from lung cancer and melanoma

Ortiz-Ramón, Rafael; Larroza-Santacruz, Andrés; Arana Fernandez de Moya, Estanislao; Moratal, David (IEEE Engineering in Medicine and Biology Society, 2017)

[EN] Brain metastases are occasionally detected before diagnosing their primary site of origin. In these cases, simple visual examination of medical images of the metastases is not enough to identify the primary cancer, ...
A Tangible Educative 3D Printed Atlas of the Rat Brain

Quiñones, Darío R.; Ferragud-Agulló, Jorge; Pérez Feito, Ricardo; García Manrique, Juan Antonio; Canals-Gamoneda, Santiago; Moratal, David (MDPI AG, 2018-09)

[EN] In biology and neuroscience courses, brain anatomy is usually explained using Magnetic Resonance (MR) images or histological sections of different orientations. These can show the most important macroscopic areas in ...
Alcohol-induced damage to the fimbria/fornix reduces hippocampal-prefrontal cortex connection during early abstinence

Pérez-Cervera, Laura; De Santis, Silvia; Marcos, Encarni; Ghorbanzad-Ghaziany, Zahra; Trouvé-Carpena, Alejandro; Selim, Mohamed Kotb; Pérez-Ramírez, Úrsula; Pfarr, Simone; Bach, Patrick; P Halli; Kiefer, Falk; Moratal, David; Kirsch, Peter; Sommer, Wolfgang H.; Canals, Santiago (BioMed Central Ltd., 2023-06-21)

[EN] IntroductionAlcohol dependence is characterized by a gradual reduction in cognitive control and inflexibility to contingency changes. The neuroadaptations underlying this aberrant behavior are poorly understood. Using ...
Algoritmo de detección de metástasis cerebrales en imágenes de resonancia magnética mediante el uso de plantillas tridimensionales de apariencia tumoral

Pérez Ramírez, María Úrsula (Universitat Politècnica de València, 2015-07-31)

[EN] A brain tumor is a pathological intracranial cell growth. It can destroy directly the normal cell population or damage indirectly by invading other parts and cause inflammation, cerebral edema and intracranial pressure. ...
ALTEA: A Software Tool for the Evaluation of New Biomarkers for Alzheimer s Disease by Means of Textures Analysis on Magnetic Resonance Images

López-Gómez,Carlos; Ortiz-Ramón, Rafael; Mollá, Enrique; Moratal, David (MDPI AG, 2018)

[EN] The current criteria for diagnosing Alzheimer's disease (AD) require the presence of relevant cognitive deficits, so the underlying neuropathological damage is important by the time the diagnosis is made. Therefore, ...
Analytical fusion of multimodal magnetic resonance imaging to identify pathological states in genetically selected Marchigian Sardinian alcohol-preferring (msP) rats

Cosa Liñán, Alejandro (Universitat Politècnica de València, 2017-11-06)

[EN] Alcohol abuse is one of the most alarming issues for the health authorities. It is estimated that at least 23 million of European citizens are affected by alcoholism causing a cost around 270 million euros. Excessive ...
Análisis comparativo de las técnicas de imagen por resonancia magnética cardiaca mediante "tagging" y "feature-tracking" para la evaluación de la deformación cardíaca

Tejero Cervera, Pascual (Universitat Politècnica de València, 2020-07-15)

[ES] Las enfermedades cardiovasculares (ECV) son la principal causa de mortalidad en el mundo que, sólo en 2016, provocaron 17,9 millones de muertes, representando el 31% de la mortalidad a nivel global; y se espera que ...
Análisis comparativo de valores SUV y ADC en carcinoma de próstata mediante análisis de imágenes de resonancia magnética y tomografía por emisión de positrones

Cantalapiedra Cabezas, Cristina (Universitat Politècnica de València, 2021-03-05)

[ES] La literatura científica ha demostrado que los carcinomas prostáticos reducen la difusión en imágenes de resonancia magnética (MRI, Magnetic Resonance Imaging). Para cuantificar la difusión se utiliza el coeficiente ...
Análisis comparativo del cálculo de la grasa epicárdica en imágenes de tomografía computarizada en series con y sin contraste intravascular

Pérez Lorente, Isabel (Universitat Politècnica de València, 2023-09-05)

[ES] Se denomina grasa epicárdica al tejido adiposo localizado entre el pericardio visceral y epicardio. Se trata de un depósito de tejido adiposo metabólicamente activo que se encuentra en el espacio pericárdico. Existen ...