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Depth Perception Through Motion
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Book Synopsis Depth Perception Through Motion by : Myron L. Braunstein
Download or read book Depth Perception Through Motion written by Myron L. Braunstein and published by Academic Press. This book was released on 2014-05-10 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Series in Cognition and Perception: Depth Perception Through Motion focuses on the processes, methodologies, and techniques involved in depth perception through motion, including optic array, rigid motions, illusions, and axis. The book first elaborates on the paradox of depth perception, illusions of motion in depth, and optic array. Discussions focus on rigid motions in three-dimensional space, perspective gradients, projection plane, stereokinetic effect, rotating trapezoid, and the windmill and fan illusions. The text then examines transformations leading to the perception of depth, slant perception, and perceived direction of rotary motion. Topics include shadow and computer projections, direct observation of rotating figures, a model of the perception of rotary motion, dynamic slant and static slant perception, translations along the Z axis, and rotations about the X or Y axis. The publication is intended for researchers and graduate students interested in depth perception in dynamic environments.
Book Synopsis Foundations of Vision by : Brian A. Wandell
Download or read book Foundations of Vision written by Brian A. Wandell and published by Sinauer Associates, Incorporated. This book was released on 1995 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed for students, scientists and engineers interested in learning about the core ideas of vision science, this volume brings together the broad range of data and theory accumulated in this field.
Book Synopsis Perception of Space and Motion by : William Epstein
Download or read book Perception of Space and Motion written by William Epstein and published by Elsevier. This book was released on 1995-09-15 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past 25 years, the field of space and motion perception has rapidly advanced. Once thought to be distinct perceptual modes, space and motion are now thought to be closely linked. Perception of Space andMotion provides a comprehensive review of perception and vision research literature, including new developments in the use of sound and touch in perceiving space and motion. Other topics include the perception of structure from motion, spatial layout,and information obtained in static and dynamic stimulation.Spatial layoutStructure from motionInformation on static and dynamic stimulation (visual, acoustic, and haptic)
Download or read book Webvision written by Helga Kolb and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neural Basis of Depth Perception from Motion Parallax by : HyungGoo R.. Kim
Download or read book Neural Basis of Depth Perception from Motion Parallax written by HyungGoo R.. Kim and published by . This book was released on 2013 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: "When we move through the world, the motion of objects provides a sufficient cue for depth perception. For accurate depth measurements, the brain needs to resolve the depth-sign of objects (that is, whether the object is near or far relative to fixation). This is no easy task as depth-sign can be ambiguous based solely on visual motion. MT neurons are selective for depth-sign from motion parallax by combining retinal inputs and eye movement signals. We addressed three fundamental questions about how the brain uses motion parallax to code depth information. In the first experiment, we asked whether MT neurons are functionally linked to the perception of depth from motion parallax. Responses were recorded while macaque monkeys judged the depth-sign of visual stimuli containing motion parallax cues. We found that trial-by-trial variability of neural responses was correlated with the animal's perceptual decisions in the discrimination task. Greater responses predicted choices toward the depth preference of the recorded neurons. These results provide evidence that MT neurons may be involved in the perception of depth from motion parallax. In the second study, we investigated the nature of response modulation by eye movements. Direction-dependent modulation by eye movements yields the depth-sign selectivity of MT neurons. Responses of near-preferring neurons are suppressed when the eye moves toward the anti-preferred direction of neuron, whereas responses of far-preferring neurons are suppressed during eye movements toward the preferred direction. This response modulation exhibited both multiplicative and additive components, but the depth-sign selectivity of neurons was predicted only by the multiplicative gain change component. Using computer simulations, we show that a population of gain-modulated MT neurons can compute depth from motion parallax. Movement of an observer produces large background motion. In the third study, we hypothesized that neurons can use a visual consequence of self-motion (dynamic perspective cues) to compute depth-sign from motion parallax. We show that MT neurons can disambiguate depth-sign based on large-field background motion, in the absence of eye movements, and that these depth-sign preferences are correlated with those obtained when the animal is physically translated. MT neurons also contribute to depth perception from binocular disparity. It is likely that both eye movements and large field motion modulate MT responses to binocular images in a systematic way to encode the 3D spatial information of objects. These insights provide a deeper understanding of 3D information processing during navigation"--Pages v-vi.
Book Synopsis Aspects of Motion Perception by : Paul A. Kolers
Download or read book Aspects of Motion Perception written by Paul A. Kolers and published by Elsevier. This book was released on 2013-10-22 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: International Series of Monographs in Experimental Psychology, Volume 16: Aspects of Motion Perception details the fundamental concepts of the visual system perception of motion. The text first details the various findings about illusory and veridical motions along with the theories conceptualized from those findings. Next, the selection covers the research that studies the reliability and validity of the theories about motion perception. The book also discusses the importance of two-component model of motion perception. The last chapter covers the characteristics of the status of perceptual experiences. The book will be of great use to behavioral scientists and biologists. Ophthalmologists will also benefit from the text.
Book Synopsis Perceiving in Depth, Volume 3: Other Mechanisms of Depth Perception by : Ian P. Howard
Download or read book Perceiving in Depth, Volume 3: Other Mechanisms of Depth Perception written by Ian P. Howard and published by Oxford University Press. This book was released on 2012-01-27 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-volume work Perceiving in Depth is a sequel to Binocular Vision and Stereopsis and to Seeing in Depth, both by Ian P. Howard and Brian J. Rogers. This work is much broader in scope than the previous books and includes mechanisms of depth perception by all senses, including aural, electrosensory organs, and the somatosensory system. Volume 1 reviews sensory coding, psychophysical and analytic procedures, and basic visual mechanisms. Volume 2 reviews stereoscopic vision. Volume 3 reviews all mechanisms of depth perception other than stereoscopic vision. The three volumes are extensively illustrated and referenced and provide the most detailed review of all aspects of perceiving the three-dimensional world. Volume 3 addresses all depth-perception mechanisms other than stereopsis. The book starts with an account of monocular cues to depth, including accommodation, vergence eye movements, perspective, interposition, shading, and motion parallax. A chapter on constancies in depth perception, such as the ability to perceive the sizes and shapes of objects as they move or rotate in depth, is followed by a chapter on the ways in which depth cues interact. The next chapter reviews sources of information, such as changing disparity, image looming, and vergence eye movements, used in the perception of objects moving in depth. Various pathologies of depth perception, including visual neglect, stereoanomalies, and albanism are reviewed. Visual depth-perception mechanisms through the animal kingdom are described, starting with insects and progressing through crustaceans, fish, amphibians, reptiles, birds, and mammals. The chapter includes a discussion of how stereoscopic vision may have evolved. The next chapter describes how visual depth perception is used to guide reaching movements of the hand, avoiding obstacles, and walking to a distant object. The next three chapters review non-visual mechanisms of depth perception. Auditory mechanisms include auditory localization, echolocation in bats and marine mammals, and the lateral-line system of fish. Some fish emit electric discharges and then use electric sense organs to detect distortions of the electric field produced by nearby objects. Some beetles and snakes use heat-sensitive sense organs to detect sources of heat. The volume ends with a discussion of mechanisms used by animals to navigate to a distant site. Ants find their way back to the nest by using landmarks and by integrating their walking movements. Several animals navigate by the stars or by polarized sunlight. It seems that animals in several phyla navigate by detecting the Earths magnetic field.
Book Synopsis Pictorial Depth Cues and Motion-produced Information for Depth Perception by : Patricia Rose DeLucia
Download or read book Pictorial Depth Cues and Motion-produced Information for Depth Perception written by Patricia Rose DeLucia and published by . This book was released on 1989 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Perceiving in Depth, Volume 1 by : Ian P. Howard
Download or read book Perceiving in Depth, Volume 1 written by Ian P. Howard and published by OUP USA. This book was released on 2012-02-24 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-volume work Perceiving in Depth is a sequel to Binocular Vision and Stereopsis and to Seeing in Depth, both by Ian P. Howard and Brian J. Rogers. This work is much broader in scope than the previous books and includes mechanisms of depth perception by all senses, including aural, electrosensory organs, and the somatosensory system. Volume 1 reviews sensory coding, psychophysical and analytic procedures, and basic visual mechanisms. Volume 2 reviews stereoscopic vision. Volume 3 reviews all mechanisms of depth perception other than stereoscopic vision. The three volumes are extensively illustrated and referenced and provide the most detailed review of all aspects of perceiving the three-dimensional world.Volume 1 starts with a review of the history of visual science from the ancient Greeks to the early 20th century with special attention devoted to the discovery of the principles of perspective and stereoscopic vision. The first chapter also contains an account of early visual display systems, such as panoramas and peepshows, and the development of stereoscopes and stereophotography. A chapter on the psychophysical and analytic procedures used in investigations of depth perception is followed by a chapter on sensory coding and the geometry of visual space. An account of the structure and physiology of the primate visual system proceeds from the eye through the LGN to the visual cortex and higher visual centers. This is followed by a review of the evolution of visual systems and of the development of the mammalian visual system in the embryonic and post-natal periods, with an emphasis on experience-dependent neural plasticity. An account of the development of perceptual functions, especially depth perception, is followed by a review of the effects of early visual deprivation during the critical period of neural plasticity on amblyopia and other defects in depth perception. Volume 1 ends with accounts of the accommodation mechanism of the human eye and vergence eye movements.
Book Synopsis Perceiving in Depth, Volume 2 by : Ian P. Howard
Download or read book Perceiving in Depth, Volume 2 written by Ian P. Howard and published by OUP USA. This book was released on 2012-02-24 with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2 addresses stereoscopic vision. It starts with the physiology of stereoscopic mechanisms. It then deals with binocular rivalry, binocular summation, and interocular transfer. A review of how images are brought into binocular register is followed by a review of stimulus tokens used to detect disparities. Cyclopean effects, such as cyclopean illusions, cyclopean motion, texture segregation, and binocular direction are reviewed. Factors that influence stereoacuity are discussed. Two chapters describe how stimuli in distinct depth planes produce contrast effects, and affect motion perception and whiteness perception. The Pulfrich stereomotion effect and perception of motion in depth are reviewed. The volume ends with a review of applications of stereoscopy.
Book Synopsis On determinants of depth perception in motion patterns by : Claes von Hofsten
Download or read book On determinants of depth perception in motion patterns written by Claes von Hofsten and published by . This book was released on 1973 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Motion Parallax-defined Segmentation and Depth Perception in Human Vision by : Ahmad Yoonessi
Download or read book Motion Parallax-defined Segmentation and Depth Perception in Human Vision written by Ahmad Yoonessi and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Furthermore, eye movements were independent of the actual stimulus motion for shear, whereas they showed some dependence in dynamic occlusion. Psychophysical performance was significantly correlated with the accuracy of eye movements, primarily in the mid-range values of rendered depth. Taken together, these studies demonstrated distinct patterns of results for segmentation and depth performance across different ranges of rendered depth. These findings suggest that motion parallax information might be processed by distinct mechanisms, perhaps in separate areas of the visual cortex, depending upon the amount of depth in the visual stimulus." --
Book Synopsis The Role of Motion Parallax in Depth Perception by : John Nelson Park
Download or read book The Role of Motion Parallax in Depth Perception written by John Nelson Park and published by . This book was released on 1964 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sensory Experience, Adaptation, and Perception by : Lothar Spillman
Download or read book Sensory Experience, Adaptation, and Perception written by Lothar Spillman and published by Psychology Press. This book was released on 2013-05-13 with total page 902 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published in 1983, Sensory, Experience, Adaptation, and Perception is a valuable contribution to the field of Cognitive Psychology.
Book Synopsis On Improving Depth Perception with Motion Parallax and Occlusion and Its Application to Interactive Displays by :
Download or read book On Improving Depth Perception with Motion Parallax and Occlusion and Its Application to Interactive Displays written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visual Space Perception by : Maurice Hershenson
Download or read book Visual Space Perception written by Maurice Hershenson and published by MIT Press. This book was released on 1999 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: A renewed interest in the study of vision has attracted scholars from such diverse fields as neuroscience, computer science, mathematics, physics and philosophy. At the same time, the development of imaging devices and popularization of stereoscopic effects has increased student interest in vision. This primer provides an overview of the principles of space perception in a handbook format that should appeal to researchers as well as students. Topics covered include geometrical and distal-proximal relationships, spatial localization, stereopsis, cyclopean perception, stimulus inadequacy, pictorial cues, perceived size and shape, Gibsonian psychophysics, lateral motion, motion in depth, perceived object motion, and motion detection.
Book Synopsis Detectability of motion as a factor in depth perception by monocular movement parallax by : Wolfgang Hell
Download or read book Detectability of motion as a factor in depth perception by monocular movement parallax written by Wolfgang Hell and published by . This book was released on 1976 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
