Frontiers of Human-Centered Computing, Online Communities and Virtual EnvironmentsRae Earnshaw Rae Earnshawand John A. Vince --_. . _----- 1 Introduction The USPresident's Information Technology Advisory Committee (PITAC)recently advised the US Senate of the strategic importance of investing in IT for the 21st century, particularlyin the areas of software,human-computer interaction, scalable information infrastructure, high-end computing and socioeconomic issues [1]. Research frontiers ofhuman-computer interaction include the desire that interac tion be more centered around human needs and capabilities, and that the human environment be considered in virtual environments and in other contextual infor mation-processing activities. The overall goal is to make users more effective in their information or communication tasks by reducing learning times, speeding performance, lowering error rates, facilitating retention and increasing subjective satisfaction. Improved designs can dramatically increase effectiveness for users, who range from novices to experts and who have diverse cultures with varying educational backgrounds. Their lives could be made more satisfying, their work safer, their learning easier and their health better. |
Contents
Virtual Environments a Review | 13 |
The Role of Virtual Humans in Virtual Environment Technology and Interfaces | 27 |
Perceptual User Interfaces | 39 |
Guidelines for Telepresence and Shared Virtual Environments | 52 |
Augmented Reality and Mobile Computing | 65 |
Mobile Augmented Reality a Complex HumanCentered System | 67 |
Toward Tightly Coupled Human Interfaces | 80 |
SituationAware Mobile Assistance | 99 |
Collaboration and Shared Virtual Environments from Metaphor to Reality | 278 |
On the Need for Cultural Representation in Interactive Systems | 299 |
Internet Security from Diverse Viewpoints | 311 |
Foundations for Interaction | 323 |
Why Performance Always Comes Last in Interactive System Design and What To Do About It | 325 |
Virtual Environments for HumanCentered Computing | 331 |
Some Aspects of the Human Communication Process Preliminary Steps Towards a Conceptual Framework | 340 |
Natural HumanHumanSystem Interaction | 347 |
Devices for Display and Interaction | 117 |
Devices for Display and Interaction | 119 |
Technologies for Virtual RealityTeleImmersion Applications Issues of Research in Image Display and Global Networking | 137 |
Future Interfaces | 161 |
PostWimp User Interfaces the Human Connection | 163 |
Universal Usability A Research Agenda for HumanComputer Interaction to Empower Every Citizen | 179 |
Virtual Spaces Revive Real World Interaction | 190 |
An HCI Agenda for the Next Millennium Emergent Global Intelligence | 198 |
Applications and Tools | 221 |
Application Drivers for Virtual Environment Technology Development | 223 |
3D Data Visualization Components on the Web Results from AVSs Involvement in Several EC Esprit Research Projects | 237 |
Creating a Shared Reality for Research and Education Through Networked Virtual Reality | 252 |
Online Communities | 261 |
Online Communities Usability Sociabilty Theory and Methods | 263 |
The BusinessAcademiaResearchGovernment Axis | 365 |
Challenges and Frontiers of Computer Graphics a Vision for an Applied Research Agenda | 367 |
Society and Human Action Technology Revisited | 394 |
Business Academia Government Toward Symbiotic Collaboration in a Networked Society | 413 |
A Research Agenda for Visualization and Human Interfaces a Position Paper | 425 |
Publishing Technologies Towards a Wider Concept of Documents and Related Issues | 431 |
The Future and Its Enemies | 437 |
Invited Authors | 443 |
New Industrial Temporal Objects | 445 |
Cognition and Computers The Context of the Matter the Matter of Context | 461 |
Supporting Creativity with Advanced Information Abundant User Interfaces | 469 |
Author Index | 481 |
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Page xii - Department of Electrical Engineering & Institute for Systems Research University of Maryland, College Park MD 20742 In this paper we propose a joint source-channel coding scheme for the transmission of images over noisy channels.