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2007
ACM

Pointing lenses: facilitating stylus input through visual-and motor-space magnification

4 years 8 months ago
Pointing lenses: facilitating stylus input through visual-and motor-space magnification
Using a stylus on a tablet computer to acquire small targets can be challenging. In this paper we present pointing lenses ? interaction techniques that help users acquire and select targets by presenting them with an enlarged visual and interaction area. We present and study three pointing lenses for pen-based systems and find that our proposed PressureActivated Lens is the top overall performer in terms of speed, accuracy and user preference. In addition, our experimental results not only show that participants find all pointing lenses beneficial for targets smaller than 5 pixels, but they also suggest that this benefit may extend to larger targets as well. Author Keywords Design, Experimentation, Human Factors. ACM Classification Keywords H.5.2 [User Interfaces]: Interaction styles; I.3.6 [Methodology and Techniques]: Interaction techniques
Gonzalo Ramos, Andy Cockburn, Ravin Balakrishnan,
Added 30 Nov 2009
Updated 30 Nov 2009
Type Conference
Year 2007
Where CHI
Authors Gonzalo Ramos, Andy Cockburn, Ravin Balakrishnan, Michel Beaudouin-Lafon
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