نتایج جستجو برای: flicker

تعداد نتایج: 3028  

2017
Z. P. Goh M. A. M. Radzi H. Hizam Noor Izzri Abd. Wahab

This paper presents a critical voltage flicker detection based on a pair of inter-harmonics analysis method. The proposed algorithm can be applied in any crowded human place for human awareness purpose. Moreover, the correlation between pair of inter-harmonics and critical voltage flicker is described in details and the related formulas have been derived as well. According to simulation and exp...

2012
Bijesh Rajamohanan Salil Mujumdar Chris Hobbs Prashant Majhi

Hole mobility and flicker noise characteristics of uniaxially strained (110)/〈110〉 Si0.75Ge0.25 pFINFETs (SSGOI0.25) are investigated in this letter. Equivalent gate referred flicker noise in SSGOI0.25 is dominated by correlated number and mobility fluctuation in the low-bias regime and Hooge mobility fluctuation in the high-bias regime. The extracted Hooge parameter in SSGOI0.25 and in Si pFIN...

Journal: :Facta Universitatis 2022

Electric light sources could produce flickers that might have biological effects. Although flicker is not always visible to the human eye, it may impact certain health. Eye strain, headaches, migraines, impaired vision, and, in sensitive people, photo epilepsy are just a few of negative impacts flicker. Many international organisations been working on lighting standards measurement response gro...

2016
Gen Miura Yosuke Nakamura Eiju Sato Shuichi Yamamoto

BACKGROUND The purpose of this study was to evaluate the effects of cataracts on the flicker electroretinograms (ERGs) recorded with the RETeval™ system under mydriatic-free conditions. METHODS This was a retrospective study of 82 eyes of 60 patients with cataracts and 52 eyes of 38 patients who were pseudophakic. Flicker ERGs were recorded with the RETeval™ system (LKC Technologies, Gaithers...

Journal: :Applied optics 2015
Francisco J Martínez Andrés Márquez Sergi Gallego Manuel Ortuño Jorge Francés Inmaculada Pascual Augusto Beléndez

Parallel-aligned (PA) liquid-crystal on silicon (LCoS) microdisplays are especially appealing in a wide range of spatial light modulation applications since they enable phase-only operation. Recently we proposed a novel polarimetric method, based on Stokes polarimetry, enabling the characterization of their linear retardance and the magnitude of their associated phase fluctuations or flicker, e...

2007
Peter G. V. Axelberg

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Journal: :Vision Research 2007
Tomas Knapen Chris Paffen Ryota Kanai Raymond van Ee

When the two eyes are presented with sufficiently different stimuli, the stimuli will engage in binocular rivalry. During binocular rivalry, a subject's perceptual state alternates between awareness of the stimulus presented to the right eye and that presented to the left eye. There are instances in which competition is not eye-based, but instead takes place between stimulus features, as is the...

Journal: :American journal of ophthalmology 1960
M ALPERN D B FLITMAN R H JOSEPH

Theories as to the etiology of amblyopia (also called amblyopia ex anopsia, strabis­ mus amblyopia, and amblyopia without ophthalmoscopic signs) may roughly be divided into two groups depending upon whether the primary defect is postulated in the cere­ bral cortex or in the retina. Wald and Burian who are among the most lucid ad­ vocates of the former position described measurements on five cas...

Journal: :Vision Research 2003
John R Jarvis Neville B Prescott Christopher M Wathes

The general validity of both the Rovamo [Vision Res. 39 (1999) 533] and Barten (Contrast sensitivity of the human eye, SPIE Optical Engineering Press, 1999), modulation transfer function models for describing flicker sensitivity in vertebrates was examined using published data for goldfish, chickens, tree shrews, ground squirrels, cats, pigeons and humans. Both models adequately described the f...

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