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Dynamics Of Visual Motion Processing
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Book Synopsis Dynamics of Visual Motion Processing by : Guillaume S. Masson
Download or read book Dynamics of Visual Motion Processing written by Guillaume S. Masson and published by Springer Science & Business Media. This book was released on 2009-12-02 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motion processing is an essential piece of the complex brain machinery that allows us to reconstruct the 3D layout of objects in the environment, to break camouflage, to perform scene segmentation, to estimate the ego movement, and to control our action. Although motion perception and its neural basis have been a topic of intensive research and modeling the last two decades, recent experimental evidences have stressed the dynamical aspects of motion integration and segmentation. This book presents the most recent approaches that have changed our view of biological motion processing. These new experimental evidences call for new models emphasizing the collective dynamics of large population of neurons rather than the properties of separate individual filters. Chapters will stress how the dynamics of motion processing can be used as a general approach to understand the brain dynamics itself.
Book Synopsis High-level Motion Processing by : Takeo Watanabe
Download or read book High-level Motion Processing written by Takeo Watanabe and published by MIT Press. This book was released on 1998 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributors to this book focus on such key aspects of motion processing as interaction and integration between locally measured motion units, structure from motion, heading in an optical flow, and second-order motion. They also discuss the interaction of motion processing with other high-level visual functions such as surface representation and attention.
Book Synopsis Analog VLSI Circuits for the Perception of Visual Motion by : Alan A. Stocker
Download or read book Analog VLSI Circuits for the Perception of Visual Motion written by Alan A. Stocker and published by John Wiley & Sons. This book was released on 2006-03-30 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although it is now possible to integrate many millions of transistors on a single chip, traditional digital circuit technology is now reaching its limits, facing problems of cost and technical efficiency when scaled down to ever-smaller feature sizes. The analysis of biological neural systems, especially for visual processing, has allowed engineers to better understand how complex networks can effectively process large amounts of information, whilst dealing with difficult computational challenges. Analog and parallel processing are key characteristics of biological neural networks. Analog VLSI circuits using the same features can therefore be developed to emulate brain-style processing. Using standard CMOS technology, they can be cheaply manufactured, permitting efficient industrial and consumer applications in robotics and mobile electronics. This book explores the theory, design and implementation of analog VLSI circuits, inspired by visual motion processing in biological neural networks. Using a novel approach pioneered by the author himself, Stocker explains in detail the construction of a series of electronic chips, providing the reader with a valuable practical insight into the technology. Analog VLSI Circuits for the Perception of Visual Motion: analyses the computational problems in visual motion perception; examines the issue of optimization in analog networks through high level processes such as motion segmentation and selective attention; demonstrates network implementation in analog VLSI CMOS technology to provide computationally efficient devices; sets out measurements of final hardware implementation; illustrates the similarities of the presented circuits with the human visual motion perception system; includes an accompanying website with video clips of circuits under real-time visual conditions and additional supplementary material. With a complete review of all existing neuromorphic analog VLSI systems for visual motion sensing, Analog VLSI Circuits for the Perception of Visual Motion is a unique reference for advanced students in electrical engineering, artificial intelligence, robotics and computational neuroscience. It will also be useful for researchers, professionals, and electronics engineers working in the field.
Book Synopsis Visual motion and self-motion processing in the human brain, MPI Series in Biological Cybernetics, Bd. 31 by : Elvira Fischer
Download or read book Visual motion and self-motion processing in the human brain, MPI Series in Biological Cybernetics, Bd. 31 written by Elvira Fischer and published by Logos Verlag Berlin GmbH. This book was released on 2011 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the successful recognition of objective, `real' motion based on visual cues it is necessary to take self-induced motion signals into account, such as those induced by eye-movements. During a series of fMRI studies we measured responses of visual and parietal regions to motion cues derived from (a) retinal motion, (b) eyemovements (visual pursuit) and (c) objective, (real) motion. We show that the recently described cingulate sulcus visual area (CSv) is not, as implied before, primarily driven by 3D self-motion cues but favoured 2D translational coherent motion over 3D expanding flow fields. Further, we found that V3A is capable of integrating retinal motion with eye-movements, thus allowing V3A to respond to object motion independent of retinal motion. This allowed us to define a new functional localizer for area V3A. Finally, we showed that activity in the foveal representation of the early visual cortex is driven by a combination of retinal input and by error signals as hypothesized by of Rao and Ballard (1999) for predictive coding. Taken together, this work provides evidence that regions V3A and CSv are key regions concerning visual self-motion processing and that early visual regions might be modulated by feedback from higher motion processing regions.
Author :Johannes M. Zanker Publisher :Springer Science & Business Media ISBN 13 :9783540651666 Total Pages :424 pages Book Rating :4.6/5 (516 download)
Book Synopsis Motion Vision by : Johannes M. Zanker
Download or read book Motion Vision written by Johannes M. Zanker and published by Springer Science & Business Media. This book was released on 2001 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originated from a small workshop on the question of how image motion is processed under natural conditions that was held in 1997 at the Institute of Advanced Studies of the Australian National University in Canberra."--Pref.
Book Synopsis Visual Motion Processing by : Thomas Guthier
Download or read book Visual Motion Processing written by Thomas Guthier and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The capability to recognize biological motion, i.e. gestures, human actions or face movements is crucial for social interactions, for predators, prey or artifcial systems interacting in a dynamic environment. In this thesis an artifcial feed-forward neural network for biological motion recognition is proposed. Like its natural counterpart, it consists of multiple layers organized in two streams, one for processing static and one for processing dynamic form information. The key component of the proposed system is a novel unsupervised learning algorithn, called VNMF, that is based on sparsity, non-negativity, inhibition and direction selectivity. In the frst layer of the dorsal stream, the VNMF is modifed to solve the optical flow estimation problem. In the subsequent layer the VNMF algorithm extracts prototypical patterns, such as optical flow patterns shaped e.g. as moving heads or lim parts. For the ventral stream the VNMF algorithm learns distict gradient structures, resembling edg...
Book Synopsis The Motion Aftereffect by : George Mather
Download or read book The Motion Aftereffect written by George Mather and published by MIT Press. This book was released on 1998 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motion perception lies at the heart of the scientific study of vision. The motion aftereffect (MAE) is the appearance of directional movement in a stationary object or scene after the viewer has been exposed to viusal motion in the opposite direction. For example, after one has looked at a waterfall for a period of time, the scene beside the waterfall may appear to move upward when one's gaze is transfered to it. Although the phenomenon seems simple, research has revealed copmlexities in the underlying mechanisms, and offered general lessons about how the brain processes visual information. In the 1990s alone, more than 200 papers have been published on MAE, largely inspired by improved techniques for examining brain electrophysiology and by emerging new theories of motion perception.
Book Synopsis Biologically Inspired Computer Vision by : Gabriel Cristobal
Download or read book Biologically Inspired Computer Vision written by Gabriel Cristobal and published by John Wiley & Sons. This book was released on 2015-11-16 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the state-of-the-art imaging technologies became more and more advanced, yielding scientific data at unprecedented detail and volume, the need to process and interpret all the data has made image processing and computer vision increasingly important. Sources of data that have to be routinely dealt with today's applications include video transmission, wireless communication, automatic fingerprint processing, massive databanks, non-weary and accurate automatic airport screening, robust night vision, just to name a few. Multidisciplinary inputs from other disciplines such as physics, computational neuroscience, cognitive science, mathematics, and biology will have a fundamental impact in the progress of imaging and vision sciences. One of the advantages of the study of biological organisms is to devise very different type of computational paradigms by implementing a neural network with a high degree of local connectivity. This is a comprehensive and rigorous reference in the area of biologically motivated vision sensors. The study of biologically visual systems can be considered as a two way avenue. On the one hand, biological organisms can provide a source of inspiration for new computational efficient and robust vision models and on the other hand machine vision approaches can provide new insights for understanding biological visual systems. Along the different chapters, this book covers a wide range of topics from fundamental to more specialized topics, including visual analysis based on a computational level, hardware implementation, and the design of new more advanced vision sensors. The last two sections of the book provide an overview of a few representative applications and current state of the art of the research in this area. This makes it a valuable book for graduate, Master, PhD students and also researchers in the field.
Book Synopsis Visual Motion Processing in the Human Cortex by : Alexander Christopher Huk
Download or read book Visual Motion Processing in the Human Cortex written by Alexander Christopher Huk and published by . This book was released on 2001 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Second-order Visual Motion Processing by : H. Tunley
Download or read book Second-order Visual Motion Processing written by H. Tunley and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Advances in Machine Learning by : Yagang Zhang
Download or read book New Advances in Machine Learning written by Yagang Zhang and published by BoD – Books on Demand. This book was released on 2010-02-01 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to provide an up-to-date and systematical introduction to the principles and algorithms of machine learning. The definition of learning is broad enough to include most tasks that we commonly call “learning” tasks, as we use the word in daily life. It is also broad enough to encompass computers that improve from experience in quite straightforward ways. The book will be of interest to industrial engineers and scientists as well as academics who wish to pursue machine learning. The book is intended for both graduate and postgraduate students in fields such as computer science, cybernetics, system sciences, engineering, statistics, and social sciences, and as a reference for software professionals and practitioners. The wide scope of the book provides a good introduction to many approaches of machine learning, and it is also the source of useful bibliographical information.
Book Synopsis Advances in Neural Networks Research by : D.C. Wunsch II
Download or read book Advances in Neural Networks Research written by D.C. Wunsch II and published by Elsevier. This book was released on 2003-08-22 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: IJCNN is the flagship conference of the INNS, as well as the IEEE Neural Networks Society. It has arguably been the preeminent conference in the field, even as neural network conferences have proliferated and specialized. As the number of conferences has grown, its strongest competition has migrated away from an emphasis on neural networks. IJCNN has embraced the proliferation of spin-off and related fields (see the topic list, below), while maintaining a core emphasis befitting its name. It has also succeeded in enforcing an emphasis on quality.
Book Synopsis The Oxford Compendium of Visual Illusions by : Arthur Gilman Shapiro
Download or read book The Oxford Compendium of Visual Illusions written by Arthur Gilman Shapiro and published by Oxford University Press. This book was released on 2017 with total page 833 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual illusions are compelling phenomena that draw attention to the brain's capacity to construct our perceptual world. The Compendium is a collection of over 100 chapters on visual illusions, written by the illusion creators or by vision scientists who have investigated mechanisms underlying the phenomena. --
Book Synopsis Visual Detection of Motion by : Andrew T. Smith
Download or read book Visual Detection of Motion written by Andrew T. Smith and published by . This book was released on 1994 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: The brain's ability to detect movement within the retinal image is crucial not only for determining the trajectories of moving objects, but also for identifying and interpreting image motion resulting from eye and head movements. This book summarizes our knowledge of how information about image motion is encoded in the brain. Key Features * Valuable reference source for those involved in the rapidly expanding area of motion perception * Strong emphasis on integration of physiological, computation, and psychophysical approaches * Topics include: * Principles of local motion detection * Inputs to local motion detectors * Integration of motion signals * Higher-order interpretation of motion * Motion detection and eye movements
Book Synopsis Embodied Communication in Humans and Machines by : Ipke Wachsmuth
Download or read book Embodied Communication in Humans and Machines written by Ipke Wachsmuth and published by Oxford University Press. This book was released on 2008-09-04 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Communication is not just about the transfer of verbal information. Gestures, facial expressions, intonation and body language are all major sources of information during conversation. This book presents a new perspective on communication, one that will help us to better understand humans, and also to build machines that can communicate.
Book Synopsis Computer Vision -- ECCV 2012. Workshops and Demonstrations by : Andrea Fusiello
Download or read book Computer Vision -- ECCV 2012. Workshops and Demonstrations written by Andrea Fusiello and published by Springer. This book was released on 2012-09-26 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three volume set LNCS 7583, 7584 and 7585 comprises the Workshops and Demonstrations which took place in connection with the European Conference on Computer Vision, ECCV 2012, held in Firenze, Italy, in October 2012. The total of 179 workshop papers and 23 demonstration papers was carefully reviewed and selected for inclusion in the proceedings. They where held at workshops with the following themes: non-rigid shape analysis and deformable image alignment; visual analysis and geo-localization of large-scale imagery; Web-scale vision and social media; video event categorization, tagging and retrieval; re-identification; biological and computer vision interfaces; where computer vision meets art; consumer depth cameras for computer vision; unsolved problems in optical flow and stereo estimation; what's in a face?; color and photometry in computer vision; computer vision in vehicle technology: from earth to mars; parts and attributes; analysis and retrieval of tracked events and motion in imagery streams; action recognition and pose estimation in still images; higher-order models and global constraints in computer vision; information fusion in computer vision for concept recognition; 2.5D sensing technologies in motion: the quest for 3D; benchmarking facial image analysis technologies.
Book Synopsis Visual Motion Perception, Visual Attention and Visual Information Processing by :
Download or read book Visual Motion Perception, Visual Attention and Visual Information Processing written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.).
