Augmented surfaces: a spatially continuous work space for hybrid computing environments
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Symmetric bimanual interaction
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
DiamondTouch: a multi-user touch technology
Proceedings of the 14th annual ACM symposium on User interface software and technology
Multi-finger and whole hand gestural interaction techniques for multi-user tabletop displays
Proceedings of the 16th annual ACM symposium on User interface software and technology
DiamondSpin: an extensible toolkit for around-the-table interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Territoriality in collaborative tabletop workspaces
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Roles of Orientation in Tabletop Collaboration: Comprehension, Coordination and Communication
Computer Supported Cooperative Work
Fluid integration of rotation and translation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Gesture Registration, Relaxation, and Reuse for Multi-Point Direct-Touch Surfaces
TABLETOP '06 Proceedings of the First IEEE International Workshop on Horizontal Interactive Human-Computer Systems
Tabletop sharing of digital photographs for the elderly
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Hover widgets: using the tracking state to extend the capabilities of pen-operated devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Keepin' it real: pushing the desktop metaphor with physics, piles and the pen
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A study of hand shape use in tabletop gesture interaction
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Multi-layer interaction for digital tables
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Direct-touch vs. mouse input for tabletop displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Affordances for manipulation of physical versus digital media on interactive surfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Group interaction on interactive multi-touch tables by children in India
Proceedings of the 11th International Conference on Interaction Design and Children
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Although multi-touch technology and horizontal interactive surfaces have been around for a decade now, there is limited understanding of how users use the Rich Touch space and multiple fingers to manipulate objects on a table. In this paper, we describe the findings and insights from an observational study on how users manipulate photographs on a physical table surface. Through a detailed video analysis based on images captured from four distinct cameras we investigate the various actions users perform, and various aspects of these actions, such as the number of fingers, the space of action, and handedness. Our investigation shows that user interactions can be described in terms of a small set of actions, and there are insightful ways in which hands are used, and number of finger used to carry out these actions. These insights may in turn be used to inform the design of future interactive surfaces, and improve the accuracy of interpreting these actions.