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About 10,000 papers for “Visual processing”
Vincent A. Billock, Brian H. Tsou · 2015
It is remarkable how the same principles of visual information processing are used repeatedly, in different visual modalities. A close study of the physiology and the psychophysics of the other senses would find the same universality. The parsimonious nature of sensory information processing is a boon to scientists and engineers who study and build interfaces to these systems.
Cited by 10
Matthew R. Hilimire, Andrew Mienaltowski, Fredda Blanchard-fields et al. · 2016
Cited by 0
Colin W. G. Clifford · 2008
Cited by 1
Christopher W. Robinson, Vladimir M. Sloutsky · Developmental Science · 2007
The ability to process simultaneously presented auditory and visual information is a necessary component underlying many cognitive tasks. While this ability is often taken for granted, there is evidence that under many conditions auditory input attenuates processing of corresponding visual input. The current study investigated infants' processing of visual input under unimodal and cross-modal conditions. Results of the three reported experiments indicate that different auditory input had different effects on infants' processing of visual information. In particular, unfamiliar auditory input slowed down visual processing, whereas more familiar auditory input did not. These results elucidate mechanisms underlying auditory overshadowing in the course of cross-modal processing and have implications on a variety of cognitive tasks that depend on cross-modal processing.
Cited by 77Open access
Glyn W. Humphreys, M. Jane Riddoch, Nick Donnelly et al. · 1994
Cited by 36
George Sperling · Defense Technical Information Center (DTIC) · 2001
Continuing work on the three-systems-theory of visual motion perception: (I) Isoluminant chromatic motion is perceived by and only by the third-order motion system. (2) New illusion. Cancelling salience modulation in the third-order motion system causes brightly colored moving red-green gratings to appear to be motionless (motion standstill illusion) that gives considerable insight into the mechanisms of object perception. (3) A prediction that motion could be used to provide amplification of apparent contrast was verified, with amplifications >5x. (4) Amplification procedures were used to construct purified stimuli to stimulate each motion system individually, and (5) to measure the amplification produced by selective attention to a feature. (6) Developed computational models oi attentional amplification of features and of the movement dynamics of spatial attention. The spatial attentional mode was investigated with a new paradigm (gating spatial attention) to enable measurements of iconic memory uncontaminated by attention dynamics and to demonstrate that a new attention "window' open concurrently at all points within the window. (7) The spatial attention model predicts 90% of the variance in a huge data set (approximately 500 points per observer from >20,000 trials) and encompasses the major attention paradigms. (All items plus more are fully described in publications.)
Cited by 0
Dominic W. Massaro · 2001
This paper provides an overview of the developments in Auditory Visual Speech Processing, a Special Interest Group within ISCA. I hope that this discussion will be informative and useful to readers in a variety of fields, including psychology, speech science, animation, psycholinguistics, human-machine interaction, hearing-impaired communication, and numerous other fields which also share in this fruitful intersection.
Cited by 18
J. G. Robson · Springer series in information sciences · 1983
Cited by 35
Niclas Schult (3901402), Thomas Reineking (753224), Thorsten Kluss (753225) et al. · Figshare · 2017
<p>A) Result of the template matching procedure B) Effect of the application of the logistic regression model.</p>
Cited by 0Open access
Anne-marie Schuller, See Profile, Anne-marie Schuller et al. · 2003
Cited by 0
Jack H. Prost · Visual Anthropology · 1994
Word responses have been used to dedde whether pictures of expressive faces or postures portray truthful expressions. Previous investigators have assumed words are used only as symbols of “meaning”. They did not appreciate the use of words as symbols of “sorting”. If one viewer calls two photographs “angry” and another viewer calls the same two photographs “happy,” the viewers may disagree in their “meanings” but they agree in their ‘sortings” both agree each photograph portrays the same expression. Sorting groups reveal how the visual system processes photographic images.
Cited by 0
Juliane Britz, Christoph M. Michel · Frontiers in Psychology · 2011
The temporal dynamics and anatomical correlates underlying human visual cognition are traditionally assessed as a function of stimulus properties and task demands. Any non-stimulus related activity is commonly dismissed as noise and eliminated to extract an evoked signal that is only a small fraction of the magnitude of the measured signal. We review studies that challenge this view by showing that non-stimulus related activity is not mere noise but that it has a well-structured organization which can largely determine the processing of upcoming stimuli. We review recent evidence from human electrophysiology that shows how different aspects of pre-stimulus activity such as pre-stimulus EEG frequency power and phase and pre-stimulus EEG microstates can determine qualitative and quantitative properties of both lower and higher-level visual processing. These studies show that low-level sensory processes depend on the momentary excitability of sensory cortices whereas perceptual processes leading to stimulus awareness depend on momentary pre-stimulus activity in higher-level non-visual brain areas. Also speed and accuracy of stimulus identification have likewise been shown to be modulated by pre-stimulus brain states.
Cited by 37Open access
Rebecca Baier, William J. Idsardi, Jeffrey Lidz · 2007
Cited by 0
Simon Lucey Beng(hons · 2002
Cited by 0
Valerie Hazan, Anke Sennema · 2007
Cited by 0
Andrew Glassner · 2011
Walk with veteran author Andrew Glassner; see exactly how each of his pieces evolves, including the mistakes he's made along the way (and how to fix them!), and the times when he changed direction. As your knowledge and skills grow, you'll understand why Processing is such a powerful tool for self-expression. It offers a 21st-century medium for expressing new ideas. This book gives you everything you need to know to explore new frontiers in your own images, animations, and interactive experiences.
Cited by 1
David C. Burr, John Ross · Trends in Neurosciences · 1986
Cited by 147
Caroline Blais, Martin Arguin, F. Gosselin · Journal of Vision · 2010
When we look at the world surrounding us, we experience a continuous flow of information coming to our eyes. The most intuitive interpretation of this experience of continuity is that the visual system processes information in a continuous manner. In striking contrast with this intuition, a growing body of evidence suggests that we apprehend the world via discrete processing epochs (VanRullen, Reddy & Koch, 2005; 2006; Ward, 2003). However, the exact nature of these oscillations has been derived indirectly via modelization. Here, we investigated the nature of these oscillations using a classification image approach. We asked five subjects to determine if a stimulus, presented during 200 ms, was a face or a house. On every trial, the signal was either a house or a face that dissolved sinusoïdally into a white Gaussian noise field (phase relative to stimulus onset: 0, pi/6, pi/3, pi/2, 2*pi/3, and 5*pi/6; frequencies: 5, 10, 15, and 20 Hz). Performance was maintained at 75% correct by adjusting signal-to-noise ratio with QUEST (Watson & Pelli, 1983). We found a modulation of the performance as a function of the frequency and the phase relative to stimulus onset (peak-to-trough differences ranging from 11.9% and 18.7%, and from 5.9% and 19.0% for the frequency and the phase respectively), further supporting the hypothesis of discrete processing epochs. We have reconstructed the optimal stimulus in the least-mean-square sense for every participant by performing multiple regressions on the stimuli oscillations and performance. We typically found two oscillations in the classification images: one at 5 Hz and the other between 15 and 20 Hz. We believe that we have revealed fossilized oscillations at different stages of visual processing; the fastest oscillation could be the elusive “perceptual moments” and slower ones could be attention-related oscillations (see also VanRullen, Carlson, & Cavanagh, 2007).
Cited by 0Open access
Tyler W. Garaas, Marc Pomplun · 2007
The processing that occurs in an animalpsilas retina is much more complex than once believed. In addition to highlighting high-contrast areas, the retina also performs a simple motion analysis of the visual field. Moreover, a full understanding of the neural functioning that occurs within the retina is not likely to take place anytime soon. Nevertheless, our present knowledge of the organization of retinal neurons and their responses to stimulation is enough to model meaningful and effective visual processing systems after. In this paper, following a high-level overview of retinal organization and functioning, we present a neural system that mimics the simple motion analysis that occurs within the retina to demonstrate the potential of retinal modeling. The neural system described is modeled after a subset of the connections that are present in most vertebrate retinas. Retina-inspired models such as this one could perform the initial processing step in a much more encompassing bio-inspired computer vision system.
Cited by 2
Stephen K. Park, Zia-ur Rahman, Robert A. Schowengerdt · 2001
Cited by 1