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ISWC
2003
IEEE
15 years 4 months ago
First Steps Towards Handheld Augmented Reality
In this paper we describe the first stand-alone Augmented Reality (AR) system with self-tracking running on an unmodified personal digital assistant (PDA) with a commercial camera...
Daniel Wagner, Dieter Schmalstieg
PKC
2009
Springer
121views Cryptology» more  PKC 2009»
15 years 11 months ago
On the Theory and Practice of Personal Digital Signatures
We take a step towards a more realistic modeling of personal digital signatures, where a human user, his mobile equipment, his PC and a server are all considered as independent pla...
Gert Læssøe Mikkelsen, Ivan Damg&arin...
MM
2003
ACM
140views Multimedia» more  MM 2003»
15 years 4 months ago
Looking into video frames on small displays
With the growing popularity of personal digital assistants and smart phones, people have become enthusiastic to watch videos through these mobile devices. However, a crucial chall...
Xin Fan, Xing Xie, He-Qin Zhou, Wei-Ying Ma
ASSETS
2009
ACM
15 years 3 months ago
Better vocabularies for assistive communication aids: connecting terms using semantic networks and untrained annotators
The difficulties of navigating vocabulary in an assistive communication device are exacerbated for individuals with lexical access disorders like those due to aphasia. We present ...
Sonya S. Nikolova, Jordan L. Boyd-Graber, Christia...
UM
2007
Springer
15 years 5 months ago
Users in Volatile Communities: Studying Active Participation and Community Evolution
Active participation of a person in a community is a powerful indicator of the person's interests, preferences, beliefs and (often) social and demographic context. Community m...
Tanja Falkowski, Myra Spiliopoulou