(Downloads - 0)
For more info about our services contact : help@bestpfe.com
Table of contents
Introduction
1 Background Study
1.1 Introduction
1.2 Virtual Reality
1.2.1 Definition
1.2.2 Virtual Environment
1.2.3 Behavioral Interfaces
1.2.3.1 Visual Interface
1.2.3.2 Audio Interface
1.2.3.3 Tracking Interface
1.2.3.4 Haptic Interface
1.2.3.5 Other Interfaces
1.2.4 Human in Virtual Environments
1.2.4.1 3D Interaction
1.2.4.2 Presence
1.2.4.3 Cybersickness
1.2.4.4 Workspace Management
1.2.5 Summary
1.3 Computer Supported Collaboration
1.3.1 Characteristics of Collaborative Work
1.3.2 Groupware
1.3.3 Collaborative Virtual Environment
1.3.3.1 Definition
1.3.3.2 Issues and Challenges
1.3.4 Summary
1.4 Immersive Collaborative Virtual Environment
1.4.1 User Representation
1.4.2 User Communication
1.4.3 User Interaction
1.4.4 From Presence to Copresence
1.4.5 Summary
1.5 Conclusion
2 Co-located Immersive Collaboration
2.1 Introduction
2.2 Multi-user Immersive Display
2.2.1 Stereoscopy
2.2.2 Visual Distortion
2.2.3 View Separation
2.2.3.1 Image Separation
2.2.3.2 Spatial Separation
2.2.3.3 Other Methods
2.2.4 Summary
2.3 Spatial Organization
2.3.1 Stage
2.3.2 Spatial Consistency
2.3.3 Collaborative Mode
2.3.3.1 Consistent Mode
2.3.3.2 Individual Mode
2.3.3.3 Mode Switching
2.4 Virtual Navigation
2.4.1 Taxonomy
2.4.1.1 Position Control
2.4.1.2 Rate Control
2.4.1.3 Mixed Control
2.4.2 Virtual Vehicle
2.4.3 Navigation in Multi-user IVE
2.5 Addressed Issues
2.5.1 Perceptual Conflicts
2.5.2 User Cohabitation
2.6 Approach
2.7 Conclusion
3 Experiment on Perceptual Conflicts
3.1 Introduction
3.2 Experimental Aims and Expectations
3.3 Experimental Design
3.3.1 Task
3.3.2 Participants
3.3.3 Independent Variables
3.3.3.1 Delocalization Angle
3.3.3.2 Instruction Type
3.3.4 Procedure
3.3.5 Measures
3.3.5.1 Performance Measures
3.3.5.2 SSQ Pre-assessment and Post-assessment
3.3.5.3 Subjective Measures
3.4 Hypotheses
3.5 Results
3.5.1 Collaborator Choice
3.5.2 Performance
3.5.2.1 Global Analyses
3.5.2.2 Inter-group Analysis
3.5.3 Subjective Data
3.5.3.1 Global Analyses
3.5.3.2 Inter-group Analyses
3.6 Discussion
3.7 Conclusion
4 Study on User Cohabitation
4.1 Introduction
4.2 Approach – Altered Human Joystick
4.2.1 Basic Model
4.2.2 Alterations
4.2.2.1 Altered Transfer Function
4.2.2.2 Adaptive Neutral Reference Frame
4.2.3 Combinations
4.3 Evaluation Framework
4.3.1 Measures
4.3.1.1 Navigation Performance Metrics
4.3.1.2 User Cohabitation Capacity Metrics
4.3.1.3 Subjective Questionnaires
4.3.2 Pre-test Condition
4.4 Collaborative Case Study
4.4.1 Experimental Design
4.4.2 Results
4.4.3 Discussion
4.5 Follow-up Experiments
4.5.1 Participants
4.5.2 Experiment T
4.5.2.1 Experimental Design
4.5.2.2 Results
4.5.3 Experiment R
4.5.3.1 Experimental Design
4.5.3.2 Results
4.5.4 Experiment TR
4.5.4.1 Experimental Design
4.5.4.2 Results
4.5.5 Discussion
4.6 Conclusion
5 Dynamic Navigation Model
5.1 Introduction
5.2 Motivation
5.3 Concepts
5.3.1 Transfer Function
5.3.2 Physical Workspace constraints
5.3.2.1 Potential Field
5.3.2.2 Solutions
5.3.2.3 Command Configuration
5.3.3 Virtual World constraints
5.3.3.1 Interaction with Virtual World
5.3.3.2 Interaction between Vehicles
5.4 Implementation
5.4.1 Control Process
5.4.2 Data Structure
5.4.3 Components
5.5 Discussion
5.5.1 Generic Control Process
5.5.2 Flexible Metaphor Integration
5.5.3 Mode Switching
5.5.4 Adaptive Parameter Settings
5.5.5 Summary
5.6 Conclusion
Conclusion
Appendices
Appendix A Acronyms
Appendix B Test Platform – EVE
Appendix C Dual-Presence Questionnaire
Appendix D Cohabitation Questionnaire
Appendix E Kinematic State Update
Appendix F Publications By the Author
