Perceiving Geometry
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Perceiving Geometry
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Author : Catherine Q. Howe
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-11-18
Perceiving Geometry written by Catherine Q. Howe and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-11-18 with Science categories.
During the last few centuries, natural philosophers, and more recently vision scientists, have recognized that a fundamental problem in biological vision is that the sources underlying visual stimuli are unknowable in any direct sense, because of the inherent ambiguity of the stimuli that impinge on sensory receptors. The light that reaches the eye from any scene conflates the contributions of reflectance, illumination, transmittance, and subsidiary factors that affect these primary physical parameters. Spatial properties such as the size, distance and orientation of physical objects are also conflated in light stimuli. As a result, the provenance of light reaching the eye at any moment is uncertain. This quandary is referred to as the inverse optics problem. This book considers the evidence that the human visual system solves this problem by incorporating past human experience of what retinal images have typically corresponded to in the real world.
Perceiving In Depth Volume 1 Basic Mechanisms
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Author : Ian P. Howard
language : en
Publisher: Oxford University Press
Release Date : 2012-01-27
Perceiving In Depth Volume 1 Basic Mechanisms written by Ian P. Howard and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-27 with Psychology categories.
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.
Perceiving Geometry
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Author : Catherine Q. Howe
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-08-16
Perceiving Geometry written by Catherine Q. Howe and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-08-16 with Medical categories.
During the last few centuries, natural philosophers, and more recently vision scientists, have recognized that a fundamental problem in biological vision is that the sources underlying visual stimuli are unknowable in any direct sense, because of the inherent ambiguity of the stimuli that impinge on sensory receptors. The light that reaches the eye from any scene conflates the contributions of reflectance, illumination, transmittance, and subsidiary factors that affect these primary physical parameters. Spatial properties such as the size, distance and orientation of physical objects are also conflated in light stimuli. As a result, the provenance of light reaching the eye at any moment is uncertain. This quandary is referred to as the inverse optics problem. This book considers the evidence that the human visual system solves this problem by incorporating past human experience of what retinal images have typically corresponded to in the real world.
Perceiving Events And Objects
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Author : Gunnar Jansson
language : en
Publisher: Psychology Press
Release Date : 2013-06-17
Perceiving Events And Objects written by Gunnar Jansson and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-17 with Psychology categories.
Beginning with his doctoral dissertation in 1950 which introduced the study of event perception and the application of vector analysis to perception, Gunnar Johansson has been a seminal figure in the field of perception. His work on biomechanical motion in the 1970s challenged conventional notions and stimulated great interest among experimental psychologists and students of machine vision. In 1989 Johansson published his latest theoretical synthesis, the optic sphere theory, an innovative conceptualization that goes beyond his earlier proposals. This volume presents -- for the first time -- an extensive precis of the out-of-print classic 1950 monograph prepared by Johansson. It also includes a representative set of Johansson's important publications produced over the ensuing four decades. These papers served as the springboard for a set of original essays by a distinguished group of North American and European scientists. Part critical commentary, part elaboration, and part seeking new directions, the entire collection makes for a singularly rich treatment of the perception of objects and events.
Lectures On Perception
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Author : Michael T. Turvey
language : en
Publisher: Routledge
Release Date : 2018-10-31
Lectures On Perception written by Michael T. Turvey and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-31 with Psychology categories.
Lectures on Perception: An Ecological Perspective addresses the generic principles by which each and every kind of life form—from single celled organisms (e.g., difflugia) to multi-celled organisms (e.g., primates)—perceives the circumstances of their living so that they can behave adaptively. It focuses on the fundamental ability that relates each and every organism to its surroundings, namely, the ability to perceive things in the sense of how to get about among them and what to do, or not to do, with them. The book’s core thesis breaks from the conventional interpretation of perception as a form of abduction based on innate hypotheses and acquired knowledge, and from the historical scientific focus on the perceptual abilities of animals, most especially those abilities ascribed to humankind. Specifically, it advances the thesis of perception as a matter of laws and principles at nature’s ecological scale, and gives equal theoretical consideration to the perceptual achievements of all of the classically defined ‘kingdoms’ of organisms—Archaea, Bacteria, Protoctista, Fungi, Plantae, and Animalia.
Brains
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Author : Dale Purves
language : en
Publisher: FT Press
Release Date : 2010-01-08
Brains written by Dale Purves and has been published by FT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-08 with Medical categories.
For 50 years, the world’s most brilliant neuroscientists have struggled to understand how human brains really work. Today, says Dale Purves, the dominant research agenda may have taken us as far as it can--and neuroscientists may be approaching a paradigm shift. In this highly personal book, Purves reveals how we got to this point and offers his notion of where neuroscience may be headed next. Purves guides you through a half-century of the most influential ideas in neuroscience and introduces the extraordinary scientists and physicians who created and tested them. Purves offers a critical assessment of the paths that neuroscience research has taken, their successes and their limitations, and then introduces an alternative approach for thinking about brains. Building on new research on visual perception, he shows why common ideas about brain networks can’t be right and uncovers the factors that determine our subjective experience. The resulting insights offer a deeper understanding of what it means to be human. • Why we need a better conception of what brains are trying to do and how they do it Approaches to understanding the brain over the past several decades may be at an impasse • The surprising lessons that can be learned from what we see How complex neural processes owe more to trial-and-error experience than to logical principles • Brains--and the people who think about them Meet some of the extraordinary individuals who’ve shaped neuroscience • The “ghost in the machine” problem The ideas presented further undermine the concept of free will
Cognitive Archaeology Body Cognition And The Evolution Of Visuospatial Perception
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Author : Emiliano Bruner
language : en
Publisher: Elsevier
Release Date : 2023-06-09
Cognitive Archaeology Body Cognition And The Evolution Of Visuospatial Perception written by Emiliano Bruner and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-09 with Science categories.
Cognitive Archaeology, Body Cognition, and the Evolution of Visuospatial Perception offers a multidisciplinary and comprehensive perspective on the evolution of the visuospatial ability in the human genus. It presents current topics in cognitive sciences and prehistoric archaeology, to provide a bridge between evolutionary anthropology and neurobiology. This book explores how body perception and spatial sensing may have evolved in humans, as to enhance a "prosthetic capacity able to integrate the brain, body, and technological elements into a single functional system. It includes chapters on touch and haptics, peripersonal space, parietal lobe evolution, somatosensory integration, neuroarchaeology, visual behavior, attention, and psychometrics. Cognitive Archaeology, Body Cognition, and the Evolution of Visuospatial Perception represents an essential resource for evolutionary biologists, anthropologists, archaeologists, and neuroscientists who are interested in the role of body perception and spatial ability in human cognition. - Addresses the role of body perception and sensing in human evolution - Supplies a comprehensive overview on the cognitive mechanisms associated with the integration between brain, body and tools - Offers a bridge between evolutionary anthropology, archaeology, and cognitive sciences
Visual Perception From A Computer Graphics Perspective
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Author : William Thompson
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Visual Perception From A Computer Graphics Perspective written by William Thompson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Computers categories.
This book provides an introduction to human visual perception suitable for readers studying or working in the fields of computer graphics and visualization, cognitive science, and visual neuroscience. It focuses on how computer graphics images are generated, rather than solely on the organization of the visual system itself; therefore, the text provides a more direct tie between image generation and the resulting perceptual phenomena. It covers such topics as the perception of material properties, illumination, the perception of pictorial space, image statistics, perception and action, and spatial cognition.
Geometric Computing For Perception Action Systems
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Author : Eduardo Bayro Corrochano
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-27
Geometric Computing For Perception Action Systems written by Eduardo Bayro Corrochano and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-27 with Computers categories.
All the efforts to build an intelligent machine have not yet produced a satisfactory autonomous system despite the great progress that has been made in developing computer hardware over the last three decades. The complexity of the tasks that a cognitive system must perform is still not understood well enough. Let us call the endeavor of building intelligent systems as the construction of Perception Action Cycles (PAC). The key idea is to incorporate representation and learning in a flexible geometric system. Until now this issue has always been a matter of neurocomputing. The most frequently used algebraic system for neurocomputation is matrix algebra. However, calculations in geometric algebra often reveal a geometric structure which remains obscure in the equivalent matrix computations. The development of PAC in a unified comprehensive mathematical system is urgently needed to bring unity and coherance to the problems of artificial intelligence. Accordingly, we are motivated by the challenge of applying geometric algebra to the development of PAC systems. Geometric algebra provides the general mathematical framework for the development of the ideas of multi-linear algebra, multi-variable analysis, and the representation of LIE groups and LIE algebras. There is strong evidence that geobetric albegra can be used to carry out efficient computations at all levels in the cognitive system. Geometric algebra reduces the complexity of algebraic expressions and as a result, it improves algorithms both in speed and accuracy. Thus, our goal is to construct PAC systems solely in the geometric algebra language. The preliminary chapters of this book introduce the reader to geometric algebra and the necessary mathematical concepts that will be needed. The latter chapters deal with a variety of applications in the field of cognitive systems in