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IJVR
2008
135views more  IJVR 2008»
13 years 10 months ago
Employing Virtual Lecturers' Facial Expressions in Virtual Educational Environments
This research began with a preliminary exploratory study that observed the relationship between the facial expressions of three human lecturers in a real academic lecture theatre a...
G. Theonas, D. Hobbs, D. Rigas
ICRA
2005
IEEE
118views Robotics» more  ICRA 2005»
14 years 3 months ago
Haptic Rendering of Topological Constraints to Users Manipulating Serial Virtual Linkages
— This paper presents an approach for haptic rendering of topological constraints to users operating serial virtual linkages. In the proposed approach, a haptic device controller...
Daniela Constantinescu, S. E. Salcudean, Elizabeth...
VLDB
1992
ACM
83views Database» more  VLDB 1992»
14 years 2 months ago
A Performance Study of Alternative Object Faulting and Pointer Swizzling Strategies
This paper presents a portable, efficient method for accessing memory resident persistent objects in virtual memory in the context of the E programming language. Under the approac...
Seth J. White, David J. DeWitt
VR
2003
IEEE
137views Virtual Reality» more  VR 2003»
14 years 3 months ago
Human Movement Performance in Relation to Path Constraint - The Law of Steering in Locomotion
We examine the law of steering – a quantitative model of human movement time in relation to path width and length previously established in hand drawing movement – in a VR loc...
Shumin Zhai, Rogier Woltjer
TROB
2008
91views more  TROB 2008»
13 years 10 months ago
A Fundamental Tradeoff Between Performance and Sensitivity Within Haptic Rendering
In this paper we show that for haptic rendering using position feedback, the structure of the feedback loop imposes a fundamental tradeoff between accurate rendering of virtual env...
Paul G. Griffiths, R. Brent Gillespie, James S. Fr...