Multi-point Interaction with Real and Virtual Objects. Frisoli, A., Bergamasco, M., Wu, S., & Ruffaldi, E. Evaluation of Multipoint Contact Interfaces in Haptic Perception of Shapes, 18:177-188, Springer Berlin Heidelberg, 2005.
doi  abstract   bibtex   
This chapter presents the evaluation of a multicontact point interface for the shape recognition of objects. A set-up constituted of an Haptic Interface system with several contact points, from one up to three, was used to present to four different subjects a set of 6 basic shapes. The experimental results suggest that the number of contact points do not produce an improvement of the ability to identify shapes, and this is strongly in contrast with what happens in touch with bare fingers. These findings confirmed results already found in other works, where experiments were conducted with fingers covered by sheaths, and provide indications for the design of more effective multipoint haptic interfaces.
@article{frisoli200511,
year={2005},
isbn={978-3-540-26036-3},
title={Multi-point Interaction with Real and Virtual Objects},
volume={18},
issn={1610-7438},
series={Springer Tracts in Advanced Robotics},
editor={Barbagli, Federico and Prattichizzo, Domenico and Salisbury, Kenneth},
doi={10.1007/11429555_11},
journal={Evaluation of Multipoint Contact Interfaces in Haptic Perception of Shapes},
publisher={Springer Berlin Heidelberg},
author={Frisoli, Antonio and Bergamasco, Massimo and Wu, SueL. and Ruffaldi, Emanuele},
pages={177-188},
keywords={start:,scopus:yes,pid:C1,pdf:2005_CH_Multipoint_300909,haptics,GRAB},
language={English},
scopuscit={12},
abstract={This chapter presents the evaluation of a multicontact point interface for the shape recognition of objects. A set-up constituted of an Haptic Interface system with several contact points, from one up to three, was used to present to four different subjects a set of 6 basic shapes. The experimental results suggest that the number of contact points do not produce an improvement of the ability to identify shapes, and this is strongly in contrast with what happens in touch with bare fingers. These findings confirmed results already found in other works, where experiments were conducted with fingers covered by sheaths, and provide indications for the design of more effective multipoint haptic interfaces.},
}

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