Bricks: laying the foundations for graspable user interfaces
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The metaDESK: models and prototypes for tangible user interfaces
Proceedings of the 10th annual ACM symposium on User interface software and technology
How do people organize their desks?: Implications for the design of office information systems
ACM Transactions on Information Systems (TOIS)
Multiblending: displaying overlapping windows simultaneously without the drawbacks of alpha blending
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Cooperative gestures: multi-user gestural interactions for co-located groupware
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tumble! Splat! helping users access and manipulate occluded content in 2D drawings
Proceedings of the working conference on Advanced visual interfaces
Interactive environment-aware display bubbles
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
The reacTable: exploring the synergy between live music performance and tabletop tangible interfaces
Proceedings of the 1st international conference on Tangible and embedded interaction
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Hand occlusion with tablet-sized direct pen input
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Occlusion-aware menu design for digital tabletops
CHI '09 Extended Abstracts on Human Factors in Computing Systems
Putting the physical into the digital: issues in designing hybrid interactive surfaces
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Physical and digital media usage patterns on interactive tabletop surfaces
ACM International Conference on Interactive Tabletops and Surfaces
Importance-driven compositing window management
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating physical/virtual occlusion management techniques for horizontal displays
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part III
At home with surface computing?
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Hand occlusion on a multi-touch tabletop
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Phylo-Genie: engaging students in collaborative 'tree-thinking' through tabletop techniques
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
SnapRail: a tabletop user interface widget for addressing occlusion by physical objects
Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces
Messy tabletops: clearing up the occlusion problem
CHI '13 Extended Abstracts on Human Factors in Computing Systems
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In this paper, we address the challenges of occlusion created by physical objects on interactive tabletops. We contribute an integrated set of interaction techniques designed to cope with the physical occlusion problem as well as facilitate organizing objects in hybrid settings. These techniques are implemented in ObjecTop, a system to support tabletop display applications involving both physical and virtual objects. We compile design requirements for occlusion-aware tabletop systems and conduct the first in-depth user study comparing ObjecTop with conventional tabletop interfaces in search and layout tasks. The empirical results show that occlusion-aware techniques outperform the conventional tabletop interface. Furthermore, our findings indicate that physical properties of occluders dramatically influence which strategy users employ to cope with occlusion. We conclude with a set of design implications derived from the study.