Search results for " visual"
showing 10 items of 1041 documents
A NEW TOOL FOR THE STUDY OF RESONANCE IN CHEMICAL EDUCATION
2014
The objective of this study is to present a computer-based project, for which our program POLAR and our version of PAPID were written for the study of the subject of resonance in chemistry. Both algorithms allow a better didactic strategy and methodological adaptation for the study of molecular properties in chemical education. Teachers will find the options of POLAR and PAPID useful for demonstrations. It is still to be explored the methodological application of these computational programs enriching the present teaching techniques. Implementing new algorithms in learning situations is technically simple, but checking their usefulness in teaching practice is extraordinarily complex and req…
“SmartGlass” Obstacles for Dynamic Inducing of Light Scattering in Vision Research Experiments
2017
We describe a technique that allows control of visual stimuli quality through the use of a setup with a polymer dispersed liquid crystal (PDLC) film positioned in the optical pathway of one or both human eyes. Nowadays, PDLC films allow alteration of the resolution and contrast limits of the transmitted light due to continuous change in the light scattering that is obtained by the application of an AC electrical field. In our experimental setup, the use of a wide-aperture up to area of 20 x 15 cm2 PDLC sheet is combined with a flat-screen PC display or with a modified display emission block without its interference filter unit and with an installed individually controllable colored light-em…
Vedere la notte
2008
La letteratura, la linea, il punto, il piano
2008
Cultura visuale. Paradigmi a confronto
2008
Exploring the immersive journalism landscape
2021
Current drivers of 360-degree journalism have been mostly curious about the new medium, its possibilities, and are exploring business opportunities. The early adoption of such technology is often a matter of brand-building – that is, news organizations experimenting with virtual reality (VR) want to demonstrate that their digital strategies are forward-thinking (Watson 2017). After interviewing representatives from leading US newspapers, Bosworth and Sarah (2019, 226) also conclude, “among major media companies that failing to experiment in immersive and experimental stories will mean losing a race”. peerReviewed
Preconceptualización con modelos neuronales lineal-no lineal en el sistema visual
2018
El presente trabajo trata los procesos de normalización en el sistema visual, desde la entrada sensorial en retina, núcleo geniculado lateral (NGL) hasta el área visual V1, con el fin de encontrar un invariante de escena que sea capaz de indentificarla. Entendiendo como procesos de normalización a las transformaciones de las señales sensoriales desde la retina hasta el cortex. Los tres primeros estados con etapas lineales y no lineales, normalizan la escena ajustando la luminancia, el brillo y el contraste. El cuarto estado transforma la señal y la mapea en el espacio, en frecuencia y en ángulo, según el modelo implementado por Martinez-Garcia et al., (2018). Su correlato neuronal correspon…
Estudio Clínico comparativo entre LIO EDOF y Trifocal: Tecnis Symfony vs Acrysof PanOptix
2018
Presentación de los resultados del estudio clínico evaluando la calidad visual de pacientes operados de cataratas con implante de dos LIO diferentes. Una LIO EDOF (Tecnis Symfony) y LIO Trifocal (PanOptix)
Yo lírico y arte en mi obra poética
2008
Por el ámbito del arte he transitado siempre por instinto, sin la cartografía que, en cambio, sí me ha resultado necesaria para desarrollar estas reflexiones. No hubiera podido afrontarlas sin releer mis libros de poesía, con lápiz y papel. Esa relectura me ha deparado novedades y más de una sorpresa. I have always been passing by instinctively throughout the art field. I did not use a cartography there as I am doing while writing this thoughts. I would not have been able to face them up if I had not reread my own poetry books, having a pen and a paper by my side. This rereading has provided me novelties and, also, some surprises.
Retinal Straylight Before and After Penetrating Keratoplasty in an Eye with a Post-Herpetic Corneal Scar
2008
Objetivo: Estudio in vivo de la luz dispersa que alcanza la retina en un paciente antes y despues de someterse a una queratoplastia penetrante (o sus siglas en ingles, PKP). Metodos: En un paciente varon de 65 anos con una ulcera corneal herpetica se midio la proporcion de luz dispersa que alcanza la retina tanto antes como despues de una PKP, utilizando para ello un metodo psicometrico denominado "de comparacion por compensacion" («Compensation comparison method», C-Quant straylightmeter, Oculus GmbH, Alemania). Resultados: La cantidad de luz dispersa que alcanza la retina medida antes de la cirugia fue elevada en comparacion con los valores obtenidos en estudios previos en sujetos normale…