UIST '92 Proceedings of the 5th annual ACM symposium on User interface software and technology
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
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
Physical versus virtual pointing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Image plane interaction techniques in 3D immersive environments
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
Eye-hand co-ordination with force feedback
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Reaching movements to augmented and graphic objects in virtual environments
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
TouchLight: an imaging touch screen and display for gesture-based interaction
Proceedings of the 6th international conference on Multimodal interfaces
An Immaterial, Dual-sided Display System with 3D Interaction
VR '06 Proceedings of the IEEE conference on Virtual Reality
An evaluation of depth perception on volumetric displays
Proceedings of the working conference on Advanced visual interfaces
The design and evaluation of selection techniques for 3D volumetric displays
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Testbed Evaluation of Virtual Environment Interaction Techniques
Presence: Teleoperators and Virtual Environments
Shadow reaching: a new perspective on interaction for large displays
Proceedings of the 20th annual ACM symposium on User interface software and technology
Lucid touch: a see-through mobile device
Proceedings of the 20th annual ACM symposium on User interface software and technology
Gesture-based interaction for a magic crystal ball
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
Back-of-device interaction allows creating very small touch devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Pico-ing into the future of mobile projection and contexts
Personal and Ubiquitous Computing
Initial approaches for extending sketch recognition to beyond-surface environments
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Direct manipulation and the third dimension: co-planar dragging on 3d displays
Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces
Evaluation of depth perception for touch interaction with stereoscopic rendered objects
Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces
Real-time hand interaction for augmented reality on mobile phones
Proceedings of the 2013 international conference on Intelligent user interfaces
Proceedings of the 1st symposium on Spatial user interaction
Proceedings of the companion publication of the 19th international conference on Intelligent User Interfaces
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In this paper, we explore the challenges in applying and investigate methodologies to improve direct-touch interaction on intangible displays. Direct-touch interaction simplifies object manipulation, because it combines the input and display into a single integrated interface. While traditional tangible display-based direct-touch technology is commonplace, similar direct-touch interaction within an intangible display paradigm presents many challenges. Given the lack of tactile feedback, direct-touch interaction on an intangible display may show poor performance even on the simplest of target acquisition tasks. In order to study this problem, we have created a prototype of an intangible display. In the initial study, we collected user discrepancy data corresponding to the interpretation of 3D location of targets shown on our intangible display. The result showed that participants performed poorly in determining the z-coordinate of the targets and were imprecise in their execution of screen touches within the system. Thirty percent of positioning operations showed errors larger than 30mm from the actual surface. This finding triggered our interest to design a second study, in which we quantified task time in the presence of visual and audio feedback. The pseudo-shadow visual feedback was shown to be helpful both in improving user performance and satisfaction.