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Flick and Brake

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Published on Feb 21, 2011

Flick-and-Brake: Finger Control over Inertial/Sustained Scroll Motion.

Mathias Baglioni - http://www.telecom-paristech.fr/~bagl...
Sylvain Malacria - http://www.malacria.fr
Eric Lecolinet - http://www.telecom-paristech.fr/~elc
Yves Guiard - http://www.telecom-paristech.fr/~guiard

We present two variants of Flick-and-Brake, a technique that allows users to not only trigger motion by touch-screen flicking but also to subsequently modulate scrolling speed by varying pressure of a stationary finger. These techniques, which further exploit the metaphor of a massive wheel, provide the user with online friction control. We describe a finite-state machine that models a variety of flicking interaction styles, with or without pressure control. We report the results of a preliminary user study that shows that for medium to long distance scrolling the Flick-and-Brake techniques require less gestural activity than does standard flicking. One of the two variants of the technique is faster, but no less accurate, than state-of-the-art flicking. Users reported they preferred Flick-and-Brake over the standard flick and judged it more efficient. We indicate some pending issues raised by the results of this preliminary investigation.

In Proceedings of the 29th of the international conference extended abstracts on Human factors in computing systems - CHI'11

This work takes part in the VIA project - http://www.telecom-paristech.fr/~via.
It has been funded by Ubimedia, a joint research laboratory of Alcatel-Lucent Bell Labs and Institut Telecom.

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