Exploració per autor "Pujol Ramo, Jaume"
Ara es mostren els items 76-95 de 116
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Random Changes of Accommodation Stimuli: An Automated Extension of the Flippers Accommodative Facility Test
Otero Molins, Carles; Aldaba Arévalo, Mikel; López, Silvia; Díaz Douton, Fernando; Vera Diaz, Fuensanta; Pujol Ramo, Jaume (2018-02-28)
Article
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Reducing speckle in double-pass systems using focus tunable lenses
García Guerra, Carlos Enrique; Aldaba Arévalo, Mikel; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (2014)
Text en actes de congrés
Accés restringit per política de l'editorialSpeckle arises in double-pass systems when coherent light is reflected by the retina. Since it degrades the images that are used to characterize the eye, there is special attention in reducing speckle when working with ... -
Reflectance evaluation of eye fundus structures with a visible and near-infrared multispectral camera
Burgos Fernández, Francisco Javier; Alterini, Tommaso; Díaz Douton, Fernando; González Alvarez, Laura; Mateo, Carlos; Mestre Ferrer, Clara; Pujol Ramo, Jaume; Vilaseca Ricart, Meritxell (2022-06-01)
Article
Accés obertWe examined the spectral reflectance of fundus structures in the visible and near-infrared (400–1300 nm) range for contributing to the medical diagnosis of fundus diseases. Spectral images of healthy eye fundus and other ... -
Repeatability of aberrometric measurements with a new instrument for vision analysis based on adaptive optics
Otero Molins, Carles; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Martínez Roda, Juan Antonio; Pujol Ramo, Jaume (2015-03-01)
Article
Accés restringit per política de l'editorialPURPOSE: To evaluate intersession and intrasession repeatability of aberration data obtained with a new visual simulator based on adaptive optics, which includes a Hartmann-Shack aberrometer (Adaptive Optics Vision Analyzer; ... -
Repeatability, reproducibility, and accuracy of a novel pushbroom hyperspectral system
Vilaseca Ricart, Meritxell; Delpueyo Español, Xana; Chorro Calderón, Elisabet; Perales Romero, Esther; Pujol Ramo, Jaume; Hirvonen, Tapani; Schael, Barbara (2013)
Article
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Reproducción espectral de valores triestímulo mediante descripciones B-Spline: evaluación del error en el color
Pizarro Bondia, Carlos; Arasa Marti, Jose; de Lasarte, Marta; Pujol Ramo, Jaume; Arjona Carbonell, Mª Montserrat; Vilaseca Ricart, Meritxell (2008)
Text en actes de congrés
Accés obertLa principal motivación de este trabajo es la búsqueda de una única expresión matemática que permita reproducir distribuciones espectrales de forma general. Para ello se consideran polinomios B-Spline rotacionales de segundo ... -
Response for light scattered in the ocular fundus from double-pass and Hartmann–Shack estimations
García Guerra, Carlos Enrique; Aldaba Arévalo, Mikel; Arjona Carbonell, Mª Montserrat; Díaz Douton, Fernando; Martínez Roda, Juan Antonio; Pujol Ramo, Jaume (2016-10-06)
Article
Accés obertDouble-pass (DP) and Hartmann--Shack (HS) are complementary techniques based on reflections of light in the ocular fundus that may be used to estimate the optical properties of the human eye. Under conventional data ... -
Response to the letter to the editor by Dr van den Berg
Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume (2011-07-01)
Altres
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Robust eye tracking based on multiple corneal reflections for clinical applications
Mestre Ferrer, Clara; Gautier, Josselyn; Pujol Ramo, Jaume (2018-03-01)
Article
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Sistema multiespectral basado en LEDS para el estudio de obras de arte en el rango espectral desde los 370 a los 1600nm
Herrera Ramírez, Jorge Alexis; Vilaseca Ricart, Meritxell; Burgos Fernández, Francisco Javier; Senserrich, Rosa; Font, Lídia; Pujol Ramo, Jaume (2012)
Text en actes de congrés
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Speckle reduction in double-pass retinal images using variable-focus lenses
García Guerra, Carlos Enrique; Aldaba Arévalo, Mikel; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (2015-01-01)
Article
Accés obertSpeckle arises in double-pass images when coherent light is scattered by the retina. Since this noise degrades the images that are used to characterize the eye, there is special attention in reducing speckle when working ... -
Spectral LED-based tuneable light source for the reconstruction of CIE standard illuminants
Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Perales Romero, Esther; Herrera Ramírez, Jorge Alexis; Martínez Verdú, Francisco Miguel; Pujol Ramo, Jaume (2014)
Text en actes de congrés
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Spectral reflectance analysis of tobacco leaves and fungus infection detection
Gor, Sergio; Sandoval, José; Ramallo, Ana; Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume (2010)
Comunicació de congrés
Accés restringit per política de l'editorialOptical properties of vegetable matter and associated analytical techniques such as VIS and NIR reflectance spectroscopy were used for several decades in the foodstuff industry. By means of these techniques, is possible ... -
Spectral signatures : a way to identify species and conditions of vegetables
Sandoval, José; Gor, Sergio; Ramallo, Jacqueline; Sfer, Ana; Colombo, Elisa; Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume (CRC Press, 2012)
Capítol de llibre
Accés restringit per política de l'editorialConfirming the statement from Shlens (2009), that is, that the goal of PCA is to identify the most meaningful basis to reexpress a dataset, the results obtained in this work show that the careful selection and suitable ... -
Spectral signatures: A way to identify species and conditions of vegetables
Sandoval, José; Gor, Sergio; Ramallo, Jacqueline; Sfer, Ana; Colombo, Elisa; Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume (2010)
Comunicació de congrés
Accés restringit per política de l'editorialThis work shows the results obtained by the application of suitable techniques for the acquisition and processing of spectral absorbance data of several vegetable species, allowing its identification –assignment of each ... -
Spectral variability of light-emitting diodes with angle
Martínez, Óscar; Vilaseca Ricart, Meritxell; Pizarro Bondia, Carlos; Ferrer, Edgard; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (2010)
Comunicació de congrés
Accés restringit per política de l'editorialMultispectral systems allow the spectral characterization of the scene through several acquisition channels with different spectral features. The spectral sampling can be done by using transmittance filters and a white ... -
Spectrally tunable light source based on light-emitting diodes for custom lighting solutions
Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Perales Romero, Esther; Herrera Ramírez, Jorge Alexis; Martínez Verdú, Francisco Miguel; Pujol Ramo, Jaume (2016-05-06)
Article
Accés obertThis study describes a novel spectral LED-based tunable light source used for customized lighting solutions, especially for the reconstruction of CIE (Commission Internationale de l’Éclairage) standard illuminants. ... -
Spherical refractive correction with an electro-optical iquid lens in a double-pass system
Sanàbria Ortega, Ferran; Díaz Douton, Fernando; Aldaba Arévalo, Mikel; Pujol Ramo, Jaume (2013-09-06)
Article
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Spherical subjective refraction with a novel 3D virtual reality based system
Pujol Ramo, Jaume; Ondategui Parra, Juan Carlos; Badiella, Llorenç; Otero, Carles; Vilaseca Ricart, Meritxell; Aldaba Arévalo, Mikel (Elsevier, 2016-01)
Article
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Stimulus Unpredictability in Time, Magnitude, and Direction on Accommodation
Otero Molins, Carles; Aldaba Arévalo, Mikel; Díaz Douton, Fernando; Vera Diaz, Fuensanta; Pujol Ramo, Jaume (2019-05-01)
Article
Accés obert