Results 181 to 190 of about 2,543,350 (264)
Integrating swin transfer with attention mechanism based hybrid deep learning driven automated human activity recognition for enhanced disability assistance. [PDF]
Sci RepKhadidos AO, Alsini R.
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Digit-Tracking Reveals Curiosity-Driven Visual Attention in Macaque Monkeys
Yang Y +4 more
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Color blindness and a color human visual system model
IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, 2000A physiologically motivated human color visual system model which represents visual information with one brightness component (A) and two chromatic components (C/sub 1/ and C/sub 2/) is used to create stimuli for testing the color perception of deuteranomalous trichromats. Two experiments are performed.
M. Kabrinsky +3 more
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Image Quality Measure Based On A Human Visual System Model [PDF]
Optical Engineering, 1989 A preliminary image quality measure that takes into account two major sensitivities of the human visual system (HVS) is described. The sensitivities considered are background illumination level and spatial frequency sensitivities. Given a digitized monochrome image, the algorithm produces, among some other figures of merit, a plot of the information ...
John A. Saghri +2 more
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The squirrel as a rodent model of the human visual system
Visual Neuroscience, 2006Over the last 50 years, studies of receptive fields in the early mammalian visual system have identified many classes of response properties in brain areas such as retina, lateral geniculate nucleus (LGN), and primary visual cortex (V1). Recently, there has been significant interest in understanding the cellular and network mechanisms that ...
Stephen D. Van Hooser, Sacha B. Nelson
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Adaptive image camouflage using human visual system model
Multimedia Tools and Applications, 2018The development of image decryption techniques means that some current encryption techniques that turn a secret image into a meaningless image are no longer safe. Recently, encrypting an image into another meaningful image has opened a new route to transmit the secret image.
Zhenjun Tang +5 more
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Image enhancement using a human visual system model
Pattern Recognition, 1997Abstract In this paper we report the result of a set of computer experiments carried out to enhance digital images. We use a special line weight function (LWF) which is a combination of zero- and second-order Hermite functions. We are motivated by the physiological evidence reported in R. A.
Lesa M. Kennedy, Mitra Basu
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Extension of a human visual system model for display simulation
SPIE Proceedings, 2008In the context of medical display validation, a simulation chain has been developed to facilitate display design and image quality validation. One important part is the human visual observer model to quantify the quality perception of the simulated images.
Alexis Rombaut +4 more
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A Nonlinear Model for the Spatial Characteristics of the Human Visual System
IEEE Transactions on Systems, Man, and Cybernetics, 1977Several recent papers have presented data from experimental investigations of the human ivsual system (HVS) which support the general hypothesis that the HVS is composed of spatial frequency channels. It has been pointed out, however, that a linear systems analysis of the entire system is not valid.
Ernest L. Hall, Charles F. Hall
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Human visual system models in Digital Watermarking
2015 International Conference and Workshop on Computing and Communication (IEMCON), 2015In this paper, a review of Human Visual System (HVS) based Digital Watermarking schemes are presented with their mathematical model. The HVS system exploits several properties of human eyes in spatial as well as frequency domain. In spatial domain, Just Noticeable Difference (JND) along with Luminance Sensitivity (LS), Contrast Masking (CM) and some ...
Kumar Rajeev +5 more
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