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Indirect mappings of multi-touch input using one and two hands
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Conference on Human Factors in Computing Systems archive
Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems table of contents
Florence, Italy
SESSION: Multitouch and Surface Computing table of contents
Pages 1275-1284  
Year of Publication: 2008
ISBN:978-1-60558-011-1
Authors
Tomer Moscovich  University of Toronto, Toronto, ON, Canada and Brown University, Providence, RI, USA
John F. Hughes  Brown University, Providence, RI, USA
Sponsors
ACM: Association for Computing Machinery
SIGCHI: ACM Special Interest Group on Computer-Human Interaction
Publisher
ACM  New York, NY, USA
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ABSTRACT

Touchpad and touchscreen interaction using multiple fingers is emerging as a valuable form of high-degree-of-freedom input. While bimanual interaction has been extensively studied, touchpad interaction using multiple fingers of the same hand is not yet well understood. We describe two experiments on user perception and control of multi-touch interaction using one and two hands. The first experiment addresses how to maintain perceptual-motor compatibility in multi-touch interaction, while the second measures the separability of control of degrees-of-freedom in the hands and fingers. Results indicate that two-touch interaction using two hands is compatible with control of two points, while twotouch interaction using one hand is compatible with control of a position, orientation, and hand-span. A slight advantage is found for two hands in separating the control of two positions.


REFERENCES

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Collaborative Colleagues:
Tomer Moscovich: colleagues
John F. Hughes: colleagues