Improving the accuracy of touch screens: an experimental evaluation of three strategies
CHI '88 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A comparison of three selection techniques for touchpads
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Issues and techniques in touch-sensitive tablet input
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
Modelling Plastic Distortion in Fingerprint Images
ICAPR '01 Proceedings of the Second International Conference on Advances in Pattern Recognition
A three-state model of graphical input
INTERACT '90 Proceedings of the IFIP TC13 Third Interational Conference on Human-Computer Interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Glimpse: a novel input model for multi-level devices
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Bimanual and unimanual image alignment: an evaluation of mouse-based techniques
Proceedings of the 18th annual ACM symposium on User interface software and technology
Precise selection techniques for multi-touch screens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
HybridPointing: fluid switching between absolute and relative pointing with a direct input device
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Rubbing and tapping for precise and rapid selection on touch-screen displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Indirect mappings of multi-touch input using one and two hands
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Extending 2D object arrangement with pressure-sensitive layering cues
Proceedings of the 21st annual ACM symposium on User interface software and technology
Empirical evaluation for finger input properties in multi-touch interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The design and evaluation of multi-finger mouse emulation techniques
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A Comparison of Direct and Indirect Multi-touch Input for Large Surfaces
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part I
Eden: a professional multitouch tool for constructing virtual organic environments
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Magic desk: bringing multi-touch surfaces into desktop work
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Multi-touch RST in 2D and 3D spaces: Studying the impact of directness on user performance
3DUI '11 Proceedings of the 2011 IEEE Symposium on 3D User Interfaces
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Indirect touch systems combine a horizontal touch input surface with a vertical display for output. While this division is ergonomically superior to simple direct-touch displays for many tasks, users are no longer looking at their hands when touching. This requires the system to support an intermediate \'1ctracking\'1d state that lets users aim at objects without triggering a selection, similar to the hover state in mouse-based UIs. We present an empirical analysis of several interaction techniques for indirect touch systems to switch to this intermediate state, and derive design recommendations for incorporating it into such systems.