Snap-dragging in three dimensions
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Project GROPEHaptic displays for scientific visualization
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Surround-screen projection-based virtual reality: the design and implementation of the CAVE
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Virtual reality on a WIM: interactive worlds in miniature
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The go-go interaction technique: non-linear mapping for direct manipulation in VR
Proceedings of the 9th annual ACM symposium on User interface software and technology
Proceedings of the 1997 symposium on Interactive 3D graphics
Moving objects in space: exploiting proprioception in virtual-environment interaction
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Voodoo dolls: seamless interaction at multiple scales in virtual environments
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Testbed evaluation of virtual environment interaction techniques
Proceedings of the ACM symposium on Virtual reality software and technology
Comparing voodoo dolls and HOMER: exploring the importance of feedback in virtual environments
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
VR '02 Proceedings of the IEEE Virtual Reality Conference 2002
VR '03 Proceedings of the IEEE Virtual Reality 2003
3D User Interfaces: Theory and Practice
3D User Interfaces: Theory and Practice
PRISM interaction for enhancing control in immersive virtual environments
ACM Transactions on Computer-Human Interaction (TOCHI)
Exploring the usability of immersive interactive storytelling
Proceedings of the 17th ACM Symposium on Virtual Reality Software and Technology
International Journal of Human-Computer Studies
Questioning naturalism in 3D user interfaces
Communications of the ACM
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Immersive virtual environments (VEs) have the potential to offer rich three-dimensional interaction to users. In many instances, however, 3D interaction tasks are difficult due to both the imprecision of tracking devices and the inability of users to achieve and maintain precise hand positions in 3D space. One way to improve upon existing interaction techniques is to dynamically change the sensitivity of the interaction technique based on user input. Previous research has applied this principle to virtual hand-based manipulation techniques; when the user slows down the movement of her physical hand, the virtual hand slows down even more to allow precise manipulation. In this study we extend the prior research by applying the velocity-based scaling principle to HOMER, an existing at-a-distance manipulation technique based on ray-casting. The scaled HOMER technique offers the user the freedom to accomplish both long- and short-distance manipulation tasks with higher levels of precision without compromising speed. We present results from a user study that shows that the addition of scaling to HOMER significantly improves user performance on 3D manipulation tasks.