PERVASIVE
2005
Springer
13 years 10 months ago
2005
Springer
This paper proposes and evaluates interaction techniques for camera-equipped mobile phones. The proposed techniques are based on a visual code system that provides a number of orie...
ICDCSW
2005
IEEE
13 years 10 months ago
2005
IEEE
We present a set of graphical user interface elements, called widgets, for 2-dimensional visual codes. The proposed widgets are suitable for printing on paper as well as showing o...