Exploració per autor "Arjona Carbonell, Mª Montserrat"
Ara es mostren els items 20-35 de 35
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New compact open-field double-pass system with asymmetric focus
Giner Tort, Anna; Arjona Carbonell, Mª Montserrat; Díaz Douton, Fernando; Aldaba Arévalo, Mikel; García Guerra, Carlos Enrique; Sanabria Ortega, Fernando Guillermo; Pujol Ramo, Jaume (2018-01-01)
Article
Accés obertEvery day more people are using multifocal systems to correct presbyopia, as for example contact lenses or intraocular lenses. As a consequence, the necessity to do an appropriate characterization of their optical quality ... -
Non-cycloplegic spherical equivalent refraction in adults: comparison of the double-pass system, retinoscopy, subjective refraction and a table-mounted autorefractor
Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume; Peris March, María Elvira; Martínez Rodríguez, Vanessa (2013-10-18)
Article
Accés obert -
Optical quality after myopic photorefractive keratectomy and laser in situ keratomileusis: Comparison using a double-pass system
Ondategui Parra, Juan Carlos; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Montasell, Ana; Cardona Torradeflot, Genís; Güell, José L.; Pujol Ramo, Jaume (2012)
Article
Accés restringit per política de l'editorial -
Optics of astigmatism and retinal image quality
Vilaseca Ricart, Meritxell; Díaz-Doutón, Fernando; Luque, Sergio Oscar; Aldaba Arévalo, Mikel; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (INTECH, 2012-02)
Capítol de llibre
Accés obertIn the first part of this chapter, the optical condition of astigmatism is defined. The main causes and available classifications of ocular astigmatism are briefly described. The most relevant optical properties of image ... -
Preliminary results of the development of a multispectral imaging system for colour measurements
Lasarte Rigueiro, Marta de; Pujol Ramo, Jaume; Arjona Carbonell, Mª Montserrat; Vilaseca Ricart, Meritxell (2007)
Text en actes de congrés
Accés obert -
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 ... -
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; ... -
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 ... -
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 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 ... -
Task oriented visual satisfaction and wearing success with two different simultaneous vision multifocal soft contact lenses
Gispets Parcerisas, Joan; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume; Vilaseca Ricart, Meritxell; Cardona Torradeflot, Genís (Elsevier, 2011)
Article
Accés obert -
Texture analysis the evaluation of human irises reproduction in ocular prostheses and colored contact lenses
Herrera Ramírez, Jorge Alexis; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (2009)
Text en actes de congrés
Accés restringit per política de l'editorialThis work takes advantage of multispectral data from human irises, ocular prostheses and colored contact lenses to compare them accounting for their texture features. For this aim, several procedures from image processing ... -
Trabajos de investigación en óptica visual y tecnología del color en el CD6
Pujol Ramo, Jaume; Arjona Carbonell, Mª Montserrat; Vilaseca Ricart, Meritxell; Aldaba Arévalo, Mikel; Díaz Douton, Fernando; Luque, Sergio Oscar; Zuluaga Duque, Harold; Herrera Ramírez, Jorge Alexis; Sanabria Ortega, Fernando Guillermo; Ferrer Serrano, Edgar; Martínez Roda, Juan Antonio; Ondategui Parra, Juan Carlos; Burgos Fernández, Francisco Javier; Giner Tort, Anna; Torrecilla Ribalta, Elena (2012)
Comunicació de congrés
Accés obert -
Use of light-emitting diodes in multispectral systems design: variability of spectral power distribution according to angle and time of usage
Martínez, Oscar; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Pizarro Bondia, Carlos; Pujol Ramo, Jaume (2011)
Article
Accés restringit per política de l'editorialMultispectral systems allow the spectral and color characterization of objects using images obtained from several acquisition channels with different spectral sensitivities. Light sources based on light-emitting diodes ... -
Utilización de LEDs en sistemas multiespectrales: influencia del ángulo y del tiempo en la emisión espectral
Martínez, Óscar; Vilaseca Ricart, Meritxell; Pizarro Bondia, Carlos; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (2010)
Text en actes de congrés
Accés restringit per política de l'editorialLos sistemas multiespectrales permiten la caracterización espectral y colorimétrica de objetos con elevada resolución espacial a partir de la adquisición de la escena a través de varios canales de una cámara con diferente ...