The Synthesis Of Three Dimensional Haptic Textures Geometry Control And Psychophysics
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The Synthesis Of Three Dimensional Haptic Textures Geometry Control And Psychophysics
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Author : Gianni Campion
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-05-16
The Synthesis Of Three Dimensional Haptic Textures Geometry Control And Psychophysics written by Gianni Campion 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 2011-05-16 with Computers categories.
The sense of touch is fundamental during the interaction between humans and their environment; in virtual reality, objects are created by computer simulations and they can be experienced through haptic devices. In this context haptic textures are fundamental for a realistic haptic perception of virtual objects. This book formalizes the specific artefacts corrupting the rendering of virtual haptic textures and offers a set of simple conditions to guide haptic researchers towards artefact-free textures. The conditions identified are also extremely valuable when designing psychophysical experiments and when analyzing the significance of the data collected. The Synthesis of Three Dimensional Haptic Textures, Geometry, Control, and Psychophysics examines the problem of rendering virtual haptic textures with force feedback devices. The author provides an introduction to the topic of haptic textures that covers the basics of the physiology of the skin, the psychophysics of roughness perception, and the engineering challenges behind haptic textures rendering. The book continues with the presentation of a novel mathematical framework that characterizes haptic devices, texturing algorithms and their ability to generate realistic haptic textures. Finally, two psychophysical experiments link the perception of roughness with the parameters of the haptic rendering algorithms. This book formalizes the specific artefacts corrupting the rendering of virtual haptic textures and offers a set of simple conditions to guide haptic researchers towards artefact-free textures. The conditions identified are also extremely valuable when designing psychophysical experiments and when analyzing the significance of the data collected.
Modern Applications Of Electrostatics And Dielectrics
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Author : Dengming Xiao
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-07-22
Modern Applications Of Electrostatics And Dielectrics written by Dengming Xiao and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-22 with Science categories.
Electrostatics and dielectric materials have important applications in modern society. As such, they require improved characteristics. More and more equipment needs to operate at high frequency, high voltage, high temperature, and other harsh conditions. This book presents an overview of modern applications of electrostatics and dielectrics as well as research progress in the field.
Tactile Sensing Information And Feedback Via Wave Propagation
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Author : Yitian Shao
language : en
Publisher: Springer Nature
Release Date : 2022-02-24
Tactile Sensing Information And Feedback Via Wave Propagation written by Yitian Shao and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-24 with Computers categories.
A longstanding goal of haptic engineering is to develop haptic interfaces that can provide realistic sensations of touch. A fundamental step towards this goal is to understand what mechanical tactile signals the hand feels during daily touch interactions. This book reveals the complex patterns of mechanical waves propagating throughout the hand that can be elicited even by simple touch interactions, which helps in expanding existing knowledge of tactile function beyond the region of near skin-object contact and inspires new designs for haptic sensing and feedback technologies. The first part of this book describes new methods for capturing dynamic, spatially distributed tactile signals in the whole hand during natural hand interactions. The second part characterizes these signals and evaluates how well and how efficiently they encode the information of touch, relating to the transmission of mechanical waves in hand tissues. The final part demonstrates how these findings can be utilized to create novel haptic effects and tactile displays. Tactile Sensing, Information, and Feedback via Wave Propagation provides a unique view of tactile sensing and feedback and will appeal to researchers, engineers, and students who are interested in learning cutting-edge haptic science and technology.
Haptic Rendering
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Author : Ming C. Lin
language : en
Publisher: A K Peters/CRC Press
Release Date : 2008-07-25
Haptic Rendering written by Ming C. Lin and has been published by A K Peters/CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-25 with Computers categories.
For a long time, human beings have dreamed of a virtual world where it is possible to interact with synthetic entities as if they were real. It has been shown that the ability to touch virtual objects increases the sense of presence in virtual environments. This book provides an authoritative overview of state-of-theart haptic rendering algorithms and their applications. The authors examine various approaches and techniques for designing touch-enabled interfaces for a number of applications, including medical training, model design, and maintainability analysis for virtual prototyping, scientific visualization, and creative processes.
Human Hand Function
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Author : Lynette A. Jones
language : en
Publisher: Oxford University Press
Release Date : 2006-04-20
Human Hand Function written by Lynette A. Jones 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 2006-04-20 with Psychology categories.
Human Hand Function is a multidisciplinary book that reviews the sensory and motor aspects of normal hand function from both neurophysiological and behavioral perspectives. Lynette Jones and Susan Lederman present hand function as a continuum ranging from activities that are essentially sensory in nature to those that have a strong motor component. They delineate four categories of function along this sensorimotor continuum--tactile sensing, active haptic sensing, prehension, and non-prehensile skilled movements--that they use as a framework for analyzing and synthesizing the results from a broad range of studies that have contributed to our understanding of how the normal human hand functions. The book begins with a historical overview of research on the hand and a discussion of the hand's evolutionary development in terms of anatomical structure. The subsequent chapters review the research in each of the four categories along the continuum, covering topics such as the intensive spatial, temporal, and thermal sensitivity of the hand, the role of hand movements in recognizing common objects, the control of reaching and grasping movements, and the organization of keyboard skills. Jones and Lederman also examine how sensory and motor function develops in the hand from birth to old age, and how the nature of the end effector (e.g., a single finger or the whole hand) that is used to interact with the environment influences the types of information obtained and the tasks performed. The book closes with an assessment of how basic research on the hand has contributed to an array of more applied domains, including communication systems for the blind, haptic interfaces used in teleoperation and virtual-environment applications, tests used to assess hand impairments, and haptic exploration in art. Human Hand Function will be a valuable resource for student and professional researchers in neuroscience, cognitive psychology, engineering, human-technology interaction, and physiology.
Musical Haptics
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Author : Stefano Papetti
language : en
Publisher: Springer
Release Date : 2018-05-02
Musical Haptics written by Stefano Papetti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-02 with Computers categories.
This Open Access book offers an original interdisciplinary overview of the role of haptic feedback in musical interaction. Divided into two parts, part I examines the tactile aspects of music performance and perception, discussing how they affect user experience and performance in terms of usability, functionality and perceived quality of musical instruments. Part II presents engineering, computational, and design approaches and guidelines that have been applied to render and exploit haptic feedback in digital musical interfaces. Musical Haptics introduces an emerging field that brings together engineering, human-computer interaction, applied psychology, musical aesthetics, and music performance. The latter, defined as the complex system of sensory-motor interactions between musicians and their instruments, presents a well-defined framework in which to study basic psychophysical, perceptual, and biomechanical aspects of touch, all of which will inform the design of haptic musical interfaces. Tactile and proprioceptive cues enable embodied interaction and inform sophisticated control strategies that allow skilled musicians to achieve high performance and expressivity. The use of haptic feedback in digital musical interfaces is expected to enhance user experience and performance, improve accessibility for disabled persons, and provide an effective means for musical tuition and guidance.
The Oxford Handbook Of Perceptual Organization
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Author : Johan Wagemans
language : en
Publisher: Oxford University Press (UK)
Release Date : 2015
The Oxford Handbook Of Perceptual Organization written by Johan Wagemans and has been published by Oxford University Press (UK) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Philosophy categories.
Perceptual organization comprises a wide range of processes such as perceptual grouping, figure-ground organization, filling-in, completion, and perceptual switching. The Oxford Handbook of Perceptual Organization provides a broad and extensive review of the current literature, written in an accessible form for scholars and students
3 D Sound For Virtual Reality And Multimedia
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Author : Durand R. Begault
language : en
Publisher: Morgan Kaufmann
Release Date : 1994
3 D Sound For Virtual Reality And Multimedia written by Durand R. Begault and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.
One of the key underlying technologies of immersive virtual reality (VR) is 3-D sound. This is the first introduction to 3-D sound theory and applications aimed at the commercial engineer. It will provide the reader with an understanding of the communication chain between source and listener.
Three Dimensional Surface Texture Synthesis
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Author : Junyu Dong
language : en
Publisher:
Release Date : 2003
Three Dimensional Surface Texture Synthesis written by Junyu Dong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Psychophysics Of Virtual Texture Perception
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Author : Bertram John Unger
language : en
Publisher:
Release Date : 2008
Psychophysics Of Virtual Texture Perception written by Bertram John Unger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Texture mapping categories.
Abstract: "This thesis describes the creation of an experimental platform for the exploration of human texture perception and its relationship to physical phenomena. Virtual textures are simulated and their physical and psychophysical properties are determined. Experiments were conducted into the ways in which modeling both texture and probe geometry influence the perception of virtual surfaces. The effects of compliance and friction on texture perception were also explored. Roughness detection thresholds were documented and their relationship to probe geometry and compliance were examined. A spectral analysis of the force signal demonstrated that force variability characterized roughness and that FA1 neural receptors were the receptors primarily responsible for mediating indirect roughness perception. Psychophysical studies of texture perception have been hampered by the need for the expensive manufacture of finely textured surfaces. These texture samples provide only discrete levels of experimental variables for study and are time-consuming to present to subjects. Virtual haptic textures provide continuous control of variables and are quick and easy to use. Unfortunately, psychophysical experimental results seem to differ between real and virtual textures. An algorithm was used which modeled probe and texture geometry to render virtual haptic texture that was perceptually the same as real texture. The texture was created by constraining the haptic device manipulandum to follow a surface dictated by the interaction of the size and shape of the virtual probe and texture elements. Compliance and friction effects were also simulated. Subject roughness magnitude estimations were used to determine the psychophysical function for roughness. The effect of probe geometry, compliance, and friction on this function and on roughness thresholds was determined. Force and position recordings were correlated with roughness estimates and used to evaluate the physical properties characterizing roughness perception. This thesis provides significant new insight into the perception of roughness and its relationship to texture geometry, compliance and friction. It also establishes an experimental platform and framework which should expedite future studies of texture perception."