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International Journal of Man-Machine Studies
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ACM Transactions on Computer-Human Interaction (TOCHI)
Bricks: laying the foundations for graspable user interfaces
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The structure of object transportation and orientation in human-computer interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
i-LAND: an interactive landscape for creativity and innovation
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Augmented surfaces: a spatially continuous work space for hybrid computing environments
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Dual touch: a two-handed interface for pen-based PDAs
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Connectables: dynamic coupling of displays for the flexible creation of shared workspaces
Proceedings of the 14th annual ACM symposium on User interface software and technology
Novel interaction techniques for overlapping windows
Proceedings of the 14th annual ACM symposium on User interface software and technology
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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
CHI '04 Extended Abstracts on Human Factors in Computing Systems
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
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Low-cost multi-touch sensing through frustrated total internal reflection
Proceedings of the 18th annual ACM symposium on User interface software and technology
Rotation and Translation Mechanisms for Tabletop Interaction
TABLETOP '06 Proceedings of the First IEEE International Workshop on Horizontal Interactive Human-Computer 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
Precise selection techniques for multi-touch screens
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
TNT: improved rotation and translation on digital tables
GI '06 Proceedings of Graphics Interface 2006
Indirect mappings of multi-touch input using one and two hands
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of Graphics Interface 2009
Separability of spatial manipulations in multi-touch interfaces
Proceedings of Graphics Interface 2009
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
Ripples: utilizing per-contact visualizations to improve user interaction with touch displays
Proceedings of the 22nd annual ACM symposium on User interface software and technology
A screen-space formulation for 2D and 3D direct manipulation
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Analysis of natural gestures for controlling robot teams on multi-touch tabletop surfaces
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Sticky tools: full 6DOF force-based interaction for multi-touch tables
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Understanding users' preferences for surface gestures
Proceedings of Graphics Interface 2010
Under my finger: human factors in pushing and rotating documents across the table
INTERACT'05 Proceedings of the 2005 IFIP TC13 international conference on Human-Computer Interaction
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We present and comparatively evaluate two new object transformation techniques for multi-touch surfaces. Specifying complete two-dimensional similarity transformations requires a minimum of four degrees of freedom: two for position, one for rotation, and another for scaling. Many existing techniques for object transformation are designed to function with traditional input devices such as mice, single-touch surfaces, or stylus pens. The challenge is to map controls appropriately for each of these devices. A few multi-touch techniques have been proposed in the past, but no comprehensive evaluation has been presented. XNT is a new three-finger object transformation technique, designed for multi-touch surfaces. It provides a natural interface for two-dimensional manipulation. XNT and several existing techniques were evaluated in a user study. The results show that XNT is superior for all tasks that involve scaling and competitive for tasks that involve only rotation and positioning.