Measurements of contrast sensitivity for peripheral vision

Chwesiuk, Michał; Mantiuk, Radosław

doi:10.1145/3343036.3343123

Cited by 8 publications

(4 citation statements)

References 25 publications

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“…Comparison with recently published contrast sensitivity data [4] reveals that the modified version of the Barten CSF results in more accurate estimates of the cutoff frequency compared to the original version [3]. Fig.…”

Section: Barten Contrast Sensitivity Functionmentioning

confidence: 65%

The Effect of Peripheral Contrast Sensitivity Functions on the Performance of the Foveated Wavelet Image Quality Index

Bozorgian¹,

Pedersen²,

Thomas³

2022

lim

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The Contrast Sensitivity Function (CSF) is an integral part of objective foveated image/video quality assessment metrics. In this paper, we investigate the effect of a new eccentricitydependent CSF model on the performance of the foveated wavelet image quality index (FWQI). Our results do not show a considerable change in FWQI performance when it is evaluated against the LIVE-FBT-FCVR 2D dataset. We argue that the resolution of the head-mounted display used in the subjective experiment limits our ability to reveal the anticipated effect of the new CSF on FWQI performance.

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Section: Barten Contrast Sensitivity Functionmentioning

confidence: 65%

The Effect of Peripheral Contrast Sensitivity Functions on the Performance of the Foveated Wavelet Image Quality Index

Bozorgian¹,

Pedersen²,

Thomas³

2022

lim

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“…The results showed that red-green cone opponency declines steeply across the human periphery and becomes behaviorally absent by 25 • -30 • . Chwesiuk and Mantiuk [78] reported that the color directions closer to the chromatic green-to-red axis show higher contrast sensitivity in comparison with achromatic stimuli, while for the yellow-to-blue axis, the sensitivity is lower. Figure 4(d) shows that the color CSF varies with black-white, red-green, and yellow-blue.…”

Section: Contrast Sensitivity Modelsmentioning

confidence: 99%

“…In foveated rendering, contrast sensitivity models mainly describe the HVS ability to distinguish objects from the background behind objects at different spatial frequencies [76], such as contrast sensitivity functions (CSFs); and the threshold at which an identical flickering stimulus varies in percept from flickering to stable, such as critical flicker fusions (CFFs). In CSF research, attention is paid not only to the influence of the most fundamental spatial frequencies, but also the influence of temporal frequencies, luminances, and colors [52,77,78]. In CFF research, attention is focused on measuring the threshold at which the HVS can perceive the stable flickering stimulus in the temporal domain [52,79].…”

Section: Contrast Sensitivity Modelsmentioning

confidence: 99%

Foveated rendering: A state-of-the-art survey

2023

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Recently, virtual reality (VR) technology has been widely used in medical, military, manufacturing, entertainment, and other fields. These applications must simulate different complex material surfaces, various dynamic objects, and complex physical phenomena, increasing the complexity of VR scenes. Current computing devices cannot efficiently render these complex scenes in real time, and delayed rendering makes the content observed by the user inconsistent with the user’s interaction, causing discomfort. Foveated rendering is a promising technique that can accelerate rendering. It takes advantage of human eyes’ inherent features and renders different regions with different qualities without sacrificing perceived visual quality. Foveated rendering research has a history of 31 years and is mainly focused on solving the following three problems. The first is to apply perceptual models of the human visual system into foveated rendering. The second is to render the image with different qualities according to foveation principles. The third is to integrate foveated rendering into existing rendering paradigms to improve rendering performance. In this survey, we review foveated rendering research from 1990 to 2021. We first revisit the visual perceptual models related to foveated rendering. Subsequently, we propose a new foveated rendering taxonomy and then classify and review the research on this basis. Finally, we discuss potential opportunities and open questions in the foveated rendering field. We anticipate that this survey will provide new researchers with a high-level overview of the state-of-the-art in this field, furnish experts with up-to-date information, and offer ideas alongside a framework to VR display software and hardware designers and engineers.

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“…Contrast sensitivity has become far more integral part of standard practice over the past number of years especially since the emphasis on improving amblyopia, in sports, vision post refractive surgeries to well beyond 6/6 and the ever-higher demands of our patients for the best possible vision. 2 , 3 Information which optical devices offer us that is immediately clinically implementable and very helpful.…”

mentioning

confidence: 99%