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Relevant bibliographies by topics / Blur sensitivity / Dissertations / Theses

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Dissertations / Theses on the topic 'Blur sensitivity'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 April 2022

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1

Subramanian, Vidhya. "The Spatial And Temporal Characteristics Of Blur Adaptation." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1230923311.

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2

Shorrock, Heather. "Optical, neural and perceptual basis of blur sensitivity and the effect of text detail in myopes and emmetropes." Thesis, Anglia Ruskin University, 2013. https://arro.anglia.ac.uk/id/eprint/305407/1/Heather%20Shorrock%20-%20PhD%20Thesis.pdf.

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Retinal blur experienced by myopes during near work has been linked to myopia development and progression. Whether poor responses to blur signals are due to poor perceptual blur sensitivity (subjective depth of focus), poor neural accommodation responses (objective depth of focus) to blur or optical differences such as higher order aberrations making blur detection difficult is yet unclear. This study investigates whether myopes respond to blur differently compared to emmetropes and whether filtering spatial frequencies in reading text influence accommodation responses. Accommodative function

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3

Shorrock, Heather. "Optical, neural and perceptual basis of blur sensitivity and the effect of text detail in myopes and emmetropes." Thesis, Anglia Ruskin University, 2013. http://arro.anglia.ac.uk/305407/.

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Retinal blur experienced by myopes during near work has been linked to myopia development and progression. Whether poor responses to blur signals are due to poor perceptual blur sensitivity (subjective depth of focus), poor neural accommodation responses (objective depth of focus) to blur or optical differences such as higher order aberrations making blur detection difficult is yet unclear. This study investigates whether myopes respond to blur differently compared to emmetropes and whether filtering spatial frequencies in reading text influence accommodation responses. Accommodative functions

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4

O'Malley, Kristen Marie. "Comparative sensitivity of the early life history stages of the Blue Crab, callinectes sapidus, to mercury exposure." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/25200.

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5

Chu, William 1980. "The spatial summation and contrast sensitivity of the red-green, blue-yellow and luminance mechanisms in human peripheral vision /." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84018.

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Color and luminance perception both rely on the different combinations of the three cone types, termed L, M, and S cones. Each of the color opponent mechanisms can be defined by their cone weights with (L-M) for Red-Green, (S-0.5(L+M)) for Blue-Yellow, and (2L+M) for the luminance mechanism.<br>My project investigates two aspects of peripheral color vision. One looks at the spatial summation of the three mechanisms across eccentricity and the other one looks at the selective loss of red-green cone contrast sensitivity in the periphery.<br>In the spatial summation experiment, we have use

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6

Conway, Declan. "The development of a grid-based hydrological model of the Blue Nile and the sensitivity of Nile river discharge to climate change." Thesis, University of East Anglia, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358456.

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7

Hampe, Marian [Verfasser]. "Untersuchung zur Sensitivität und Spezifität verschiedener Methoden der Immunglobulin G-Messung im Blut beim neonatalen Kalb / Marian Hampe." Gießen : Universitätsbibliothek, 2019. http://d-nb.info/1196965773/34.

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8

Hubert, Jan Gordian. "Vergleich von vier verschiedenen PCR-Methoden zum Nachweis von Trypanosoma cruzi im Blut hinsichtlich Sensitivität und Spezifität mit diagnostischer Evaluierung in einem Endemiegebiet." Diss., lmu, 2005. http://nbn-resolving.de/urn:nbn:de:bvb:19-31583.

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9

Pooam, Marootpong. "The biological effects of applied magnetic fields on cryptochrome and response." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS062.

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Cryptochromes (cry) sont des flavoprotéines absorbant la lumière bleue conservées qui ont été liées à perception de stimuli électromagnétiques dans de nombreux organismes. Nous avons principalement étudié le mécanisme d'interaction entre les champs magnétiques (MF) et cry dans le cadre de la théorie des paires de radicaux. Nous avons étudié la réponse d'Arabidopsis cry-1 in vivo à MF. Les activités biologiques du cry ont été renforcées par MF. Les effets des MF ont pu être observés même si MF était donné exclusivement pendant les intervalles d'obscurité entre expositions à la lumière. Cette dé

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10

Mallen, Edward A. H., Matthew P. Cufflin, and Aleksandra M. Mankowska. "Effect of blur adaptation on blur sensitivity and discrimination in emmetropes and myopes." 2007. http://hdl.handle.net/10454/3187.

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No<br>The purpose of this article is to determine whether blur adaptation influences blur sensitivity and blur discrimination thresholds in young adult myopes and emmetropes. In addition, to determine whether there is a differential effect of blur adaptation on blur sensitivity and discrimination between refractive error groups. Proximal and distal blur sensitivity thresholds and blur discrimination thresholds were measured under cycloplegia with a Badal optometer in 24 young adult subjects (8 emmetropes [EMM], 8 early-onset myopes [EOM], and 8 late-onset myopes [LOM]). Adaptation to 1 D of my

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11

McIlhagga, William H., and K. A. May. "Optimal edge filters explain human blur detection." 2012. http://hdl.handle.net/10454/6091.

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Edges are important visual features, providing many cues to the three-dimensional structure of the world. One of these cues is edge blur. Sharp edges tend to be caused by object boundaries, while blurred edges indicate shadows, surface curvature, or defocus due to relative depth. Edge blur also drives accommodation and may be implicated in the correct development of the eye's optical power. Here we use classification image techniques to reveal the mechanisms underlying blur detection in human vision. Observers were shown a sharp and a blurred edge in white noise and had to identify the blurred

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12

McKeefry, Declan J., I. J. Murray, and J. J. Kulikowski. "Red-green and blue-yellow mechanisms are matched in sensitivity for temporal and spatial modulation." 2001. http://hdl.handle.net/10454/3771.

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No<br>The spatial and temporal properties of human colour vision are examined using isoluminant, red¿green and blue¿yellow tritanopic gratings. Chromatic sensitivity is found to be low-pass as a function of both spatial and temporal frequency along all the chromatic axes investigated, including the tritanopic confusion lines employed to examine the properties of the S-cone driven mechanism. Comparison of sensitivity to on-off and contrast reversing stimuli indicates that transient mechanisms contribute to the detection of red¿green patterns but that the detection of S-cone specific patterns is

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13

Lippitz, Falk [Verfasser]. "Sensitivität und Spezifität von Carboxyhämoglobin im Blut zur Bestimmung des Raucherstatus bei leichtverletzten Männern und Frauen in einer Rettungsstelle / von Falk Lippitz." 2011. http://d-nb.info/1012842010/34.

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14

Hubert, Jan Gordian [Verfasser]. "Vergleich von vier verschiedenen PCR-Methoden zum Nachweis von Trypanosoma cruzi im Blut hinsichtlich Sensitivität und Spezifität mit diagnostischer Evaluierung in einem Endemiegebiet / vorgelegt von Jan Gordian Hubert." 2005. http://d-nb.info/974364630/34.

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15

Moderie, Christophe. "Sensibilité non-visuelle à la lumière et décalage du cycle éveil-sommeil." Thèse, 2016. http://hdl.handle.net/1866/19156.

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Problématique : Certaines personnes souffrent d'avoir un horaire de sommeil trop tardif qu'elles n'arrivent pas à modifier pour satisfaire les exigences liées à leur emploi ou à leurs études. Ces individus souffrent de privation de sommeil et de somnolence lorsqu'ils doivent se conformer à un horaire socialement acceptable. Malgré sa prévalence importante, l’étiologie d’un horaire trop tardif reste méconnue. Objectif: Évaluer des facteurs pouvant contribuer au maintien d’un horaire de sommeil tardif chez des jeunes adultes. Méthodes : Quatorze jeunes adultes se plaignant d’un horaire de so

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