Dual-finger 3D interaction techniques for mobile devices
Author
Telkenaroğlu, Can
Advisor
Çapın, Tolga
Date
2012Publisher
Bilkent University
Language
English
Type
ThesisItem Usage Stats
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Abstract
Three-dimensional capabilities on mobile devices are increasing, and interactivity
is becoming a key feature of these tools. It is expected that users will actively
engage with the 3D content, instead of being passive consumers. Because touchscreens
provide a direct means of interaction with 3D content by directly touching
and manipulating 3D graphical elements, touch-based interaction is a natural and
appealing style of input for 3D applications. However, developing 3D interaction
techniques for handheld devices using touch-screens is not a straightforward task.
One issue is that when interacting with 3D objects, users occlude the object with
their fingers. Furthermore, because the user’s finger covers a large area of the
screen, the smallest size of the object users can touch is limited. In this thesis, we
first inspect existing 3D interaction techniques based on their performance with
handheld devices. Then, we present a set of precise Dual-Finger 3D Interaction
Techniques for a small display. Then, we present the results of an experimental
study, where we evaluate the usability, performance, and error rate of the proposed
and existing 3D interaction techniques. Finally, we integrate the proposed
methods of different user modes.
Keywords
Mobile 3D environmentsTouch-screens
Multi-touch input
Dual-finger techniques
Modular interaction