Augmented reality based user interface for mobile applications and services
1University of Oulu, Faculty of Science, Department of Information Processing Science
2University of Oulu, Infotech Oulu
|Online Access:||PDF Full Text (PDF, 8.6 MB)|
|Persistent link:|| http://urn.fi/urn:isbn:9514276965
|Publish Date:|| 2005-06-07
|Thesis type:||Doctoral Dissertation
|Defence Note:||Academic Dissertation to be presented with the assent of the Faculty of Science, University of Oulu, for public discussion in Auditorium IT115, Linnanmaa, on June 17th, 2005, at 12 noon.
Associate Professor Yoshiro Ban
Professor Tapio Takala
Traditional design of user interfaces for mobile phones is limited to a small interaction that provides only the necessary means to place phone calls or to write short messages. Such narrow activities supported via current terminals suppress users from moving towards mobile and ubiquitous computing environments of the future. Unfortunately, the next generation of user interfaces for mobile terminals seems to apply the same design patterns as commonly used for desktop computers. Whereas the desktop environment has enough resources to implement such design, capabilities of the mobile terminals fall under constraints dictated by mobility, like the size and weight. Additionally, to make mobile terminals available for everyone, users should be able to operate them with minimal or no preparation, while users of desktop computers will require certain degree of training.
This research looks into how to improve the user interface of future mobile devices by using a more human-centred design. One possible solution is to combine the Augmented Reality technique with image recognition in such a way that it will allow the user to access a "virtualized interface". Such an interface is feasible since the user of an Augmented Reality system is able to see synthetic objects overlaying the real world. Overlaying the user's sight and using the image recognition process, the user interacts with the system using a combination of virtual buttons and hand gestures.
The major contribution of this work is the definition of the user's gestures that makes it possible for human-computer interaction with such Augmented Reality based User Interfaces. Another important contribution is the evaluation on how mobile applications and services work with this kind of user interface and whether the technology is available to support it.
Acta Universitatis Ouluensis. A, Scientiae rerum naturalium
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