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Author: Chris Gunn
Publisher:
ISBN:
Category : Human-computer interaction
Languages : en
Pages : 262
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Book Description
Haptic (force) feedback has had limited use outside laboratory environments due to the high purchase cost of the equipment. Potential users and their managers have no evidence that the benefits that it provides outweigh the costs involved. While the cost can be expected to ease with time, at present it is limiting the spread of the technology. While haptics enthusiasts may be convinced of its value, there is a lack of evidence of the techniques and the types of applications that can benefit from a haptic interface. This thesis examines the utility that haptics provides to a computer user. It does this by following a series of publications written by the author on various aspects of the subject and adds to these the results of some, as-yet unpublished, experiments. The publications describe several immersive, 3D prototypes and applications that were developed by the author and his colleagues in the CSIRO1 Virtual Environments Laboratory in Canberra, Australia between 1999 and 2006. The work shows that haptic feedback can be successfully integrated into artistic, planning and teaching environments and in these cases it can enhance the user s perception of the virtual environment being depicted. All the software for these applications was built upon a framework that originated from the laboratory and is described in some of the papers included in the thesis. The networking of haptic applications is covered by several of the papers as well as analysed more closely in the text. The author has been able to create collaborative haptic applications that run successfully over much larger distances than were previously thought possible, overcoming some of the problems introduced by the inherent latency of the network. It should be noted, however, that the solutions detailed will only apply to interaction with certain types of virtual objects and do not provide a general solution to latency that will cover any scenario. Nonetheless, the techniques do satisfactorily cover many of the situations that are likely to be encountered when developing virtual reality simulation software.
Author: Chris Gunn
Publisher:
ISBN:
Category : Human-computer interaction
Languages : en
Pages : 262
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Book Description
Haptic (force) feedback has had limited use outside laboratory environments due to the high purchase cost of the equipment. Potential users and their managers have no evidence that the benefits that it provides outweigh the costs involved. While the cost can be expected to ease with time, at present it is limiting the spread of the technology. While haptics enthusiasts may be convinced of its value, there is a lack of evidence of the techniques and the types of applications that can benefit from a haptic interface. This thesis examines the utility that haptics provides to a computer user. It does this by following a series of publications written by the author on various aspects of the subject and adds to these the results of some, as-yet unpublished, experiments. The publications describe several immersive, 3D prototypes and applications that were developed by the author and his colleagues in the CSIRO1 Virtual Environments Laboratory in Canberra, Australia between 1999 and 2006. The work shows that haptic feedback can be successfully integrated into artistic, planning and teaching environments and in these cases it can enhance the user s perception of the virtual environment being depicted. All the software for these applications was built upon a framework that originated from the laboratory and is described in some of the papers included in the thesis. The networking of haptic applications is covered by several of the papers as well as analysed more closely in the text. The author has been able to create collaborative haptic applications that run successfully over much larger distances than were previously thought possible, overcoming some of the problems introduced by the inherent latency of the network. It should be noted, however, that the solutions detailed will only apply to interaction with certain types of virtual objects and do not provide a general solution to latency that will cover any scenario. Nonetheless, the techniques do satisfactorily cover many of the situations that are likely to be encountered when developing virtual reality simulation software.
Author: Yuan Tian
Publisher:
ISBN:
Category : Haptic devices
Languages : en
Pages :
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Book Description
Since haptic rendering brings more real, more immersive and engaging experience into the 3D immersive environment, it greatly catches people's attention in broad fields such as medical therapy, gaming industry, robotics, etc. Haptic rendering in 3D immersive environment has become one of the trending research topics in recent years. Though there are many researches that well investigated this topic, there are still new challenges when introducing haptic feedback into the applications like Virtual / Mixed Reality and Tele-immersion. In 3D immersive environment, haptic rendering not only requires efficiency, stability, transparency, but also needs synchronization, disparity handling, delay compensation in networked applications. This dissertation aims to overcome the emerging challenges in the haptic-enabled 3D immersive environments. Specifically, three main research tasks are identified in the dissertation: bidirectional haptic rendering in 3D Tele-immersion, haptic rendering of 3D streaming deformable surface, and haptic-enabled 3D deformation. To solve the research problems, a set of novel approaches are presented in this dissertation. A Haptic-enabled Tele-Immersive Musculoskeletal Examination (H-TIME) system is developed that enables bi-directional force feedback and motion, facilitating remote evaluation of the patients associated with joints and muscles. A real-time haptic method is proposed to interact with 3D deformable streaming surface which is under 3D reconstruction. A real-time haptic rendering method is proposed to enable the interaction with 3D deformable objects using (multiple) haptic devices, which is able to provide with natural and smooth haptic rendering and fast stable 3D deformation. Based on the proposed methods, applications are developed to solve the real-world problems in medicine, training, and robotics.
Author: Angelika Peer
Publisher: Springer Science & Business Media
ISBN: 1447127544
Category : Computers
Languages : en
Pages : 261
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Book Description
Immersive Multimodal Interactive Presence presents advanced interdisciplinary approaches that connect psychophysical and behavioral haptics research with advances in haptic technology and haptic rendering. It delivers a summary of the results achieved in the IMMERSENCE European project and includes selected chapters by international researchers. Organized into two parts: I. Psychophysical and Behavioral Basis and II. Technology and Rendering, it is an excellent example of interdisciplinary research directed towards the advancement of multimodal immersive virtual environments with particular focus on haptic interaction. The twelve chapters of the book are grouped around three different scenarios representing different types of interactions in virtual environments: Person-Object (PO), Person-Object-Person (POP) and Person-Person (PP) interaction. Recent results of psychophysical and behavioral studies are reported along with new technological developments for haptic displays and novel haptic rendering techniques.
Author: Marian Bubak
Publisher: Springer Science & Business Media
ISBN: 3540221166
Category : Computers
Languages : en
Pages : 1376
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Book Description
The International Conference on Computational Science (ICCS 2004) held in Krak ́ ow, Poland, June 6–9, 2004, was a follow-up to the highly successful ICCS 2003 held at two locations, in Melbourne, Australia and St. Petersburg, Russia; ICCS 2002 in Amsterdam, The Netherlands; and ICCS 2001 in San Francisco, USA. As computational science is still evolving in its quest for subjects of inves- gation and e?cient methods, ICCS 2004 was devised as a forum for scientists from mathematics and computer science, as the basic computing disciplines and application areas, interested in advanced computational methods for physics, chemistry, life sciences, engineering, arts and humanities, as well as computer system vendors and software developers. The main objective of this conference was to discuss problems and solutions in all areas, to identify new issues, to shape future directions of research, and to help users apply various advanced computational techniques. The event harvested recent developments in com- tationalgridsandnextgenerationcomputingsystems,tools,advancednumerical methods, data-driven systems, and novel application ?elds, such as complex - stems, ?nance, econo-physics and population evolution.
Author: Yang Hong
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Matjaž Mihelj
Publisher: Springer Science & Business Media
ISBN: 9400757182
Category : Technology & Engineering
Languages : en
Pages : 217
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Book Description
This book covers all topics relevant for the design of haptic interfaces and teleoperation systems. The book provides the basic knowledge required for understanding more complex approaches and more importantly it introduces all issues that must be considered for designing efficient and safe haptic interfaces. Topics covered in this book provide insight into all relevant components of a haptic system. The reader is guided from understanding the virtual reality concept to the final goal of being able to design haptic interfaces for specific tasks such as nanomanipulation. The introduction chapter positions the haptic interfaces within the virtual reality context. In order to design haptic interfaces that will comply with human capabilities at least basic understanding of human sensors-motor system is required. An overview of this topic is provided in the chapter related to human haptics. The book does not try to introduce the state-of-the-art haptic interface solutions because these tend to change quickly. Only a careful selection of different kinematic configurations is shown to introduce the reader into this field. Mathematical models of virtual environment, collision detection and force rendering topics are strongly interrelated and are described in the next two chapters. The interaction with the virtual environment is simulated with a haptic interface. Impedance and admittance based approaches to haptic robot control are presented. Stability issues of haptic interaction are analyzed in details and solutions are proposed for guaranteeing stable and safe operation. Finally, haptic interaction is extended to teleoperation systems. Virtual fixtures which improve the teleoperation and human-robot cooperation in complex environments are covered next and the last chapter presents nanomanipulation as one specific example of teleoperation.
Author: ChangEun Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
This research combines virtual reality with part interaction, force feedback, and network communication to facilitate collaborative design environment. By allowing collaborative tasks to occur with digital models through network communication as opposed to manipulation of real parts, industry can save time and money by trying many different options without gathering at one place. The objective of this research is to investigate haptic feedback, collision detection, and object interaction within a networked collaborative virtual environment in order to provide realistic part interaction. Various collision detection and physical interaction packages were examined. The advantages and drawbacks of various network architectures were explored and the rationale for using the combination of client-server and peer-to-peer architectures was examined. Different multithreading structures were explored to maintain different update rates effectively. The network inconsistency problem, which resulted from network delay and CPU latency, was investigated. The "Released-but-not-released" (RNR) synchronization method and timeout mechanism were developed and implemented in order to improve the synchronization of the object position/orientation over the network. A networked haptic VR application was developed and tested for three network users with three force feedback devices, each with varying capabilities. The simulation speed and the update rates for each of the user's movements were calculated for the trial case when each user grabbed and collided objects with each other. Barrier synchronization was used to increase the speed of simulation.
Author: Dennis Beck
Publisher: Springer
ISBN: 3030230899
Category : Computers
Languages : en
Pages : 247
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Book Description
This volume constitutes the refereed proceedings of the 5th International Conference of the Immersive Learning Network, iLRN 2019, held in London, UK, in June 2019. The 18 revised full papers and presented in this volume were carefully reviewed and selected from 60 submissions. The papers are organized in topical sections on science, technology, engineering, and mathematics (STEM); disciplinary applications: special education; disciplinary applications: history; pedagogical strategies; immersion and presence.
Author: Margaret L. McLaughlin
Publisher: Prentice Hall PTR
ISBN:
Category : Computers
Languages : en
Pages : 314
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Book Description
Haptics: The state-of-the-art in building touch-based interfaces for virtual environments. -- Key research issues: model acquisition, contact detection, force feedback, compression, capture, and collaboration. -- Understanding the role of human factors in haptic interfaces. -- Applications: medical training, telesurgery, biological and scientific interfaces, military applications, sign language, museum display, and more. Haptics -- "touch-based" interface design -- is the exciting new frontier in research on virtual and immersive environments. In Touch in Virtual Environments, the field's leading researchers bring together their most advanced work and applications. They identify the key challenges facing haptic interface developers, present today's best solutions, and outline a clear research agenda for the future. This book draws upon work first presented at the breakthrough haptics conference held recently at USC's Integrated Media Systems Center. The editors and contributors begins by reviewing key haptics applications and the challenges of effective haptic rendering, presenting new insights into model acquisition, contact detection, force feedback, compression, capture, collaboration, and other key issues. Next, they focus on the complex human factors associated with successful haptic interfaces, examining questions such as: How can we make haptic displays more usable for blind and visually impaired users? What are the differences between perceiving texture with the bare skin and with a probe? In the book's final section, several of today's leading haptic applications are introduced, including telesurgery and surgical simulation; scientific visualization.
Author: Angelika Peer
Publisher: Springer
ISBN: 9781447162131
Category : Computers
Languages : en
Pages : 258
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Book Description
Immersive Multimodal Interactive Presence presents advanced interdisciplinary approaches that connect psychophysical and behavioral haptics research with advances in haptic technology and haptic rendering. It delivers a summary of the results achieved in the IMMERSENCE European project and includes selected chapters by international researchers. Organized into two parts: I. Psychophysical and Behavioral Basis and II. Technology and Rendering, it is an excellent example of interdisciplinary research directed towards the advancement of multimodal immersive virtual environments with particular focus on haptic interaction. The twelve chapters of the book are grouped around three different scenarios representing different types of interactions in virtual environments: Person-Object (PO), Person-Object-Person (POP) and Person-Person (PP) interaction. Recent results of psychophysical and behavioral studies are reported along with new technological developments for haptic displays and novel haptic rendering techniques.
