Image plane interaction techniques in 3D immersive environments
Proceedings of the 1997 symposium on Interactive 3D graphics
Natural pointing techniques using a finger-mounted direct pointing device
ACM SIGGRAPH 98 Conference abstracts and applications
Bridging physical and virtual worlds with electronic tags
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
CyberCode: designing augmented reality environments with visual tags
DARE '00 Proceedings of DARE 2000 on Designing augmented reality environments
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Interacting at a distance: measuring the performance of laser pointers and other devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
An analysis of the index finger as a pointing device
CHI '99 Extended Abstracts on Human Factors in Computing Systems
Active CyberCode: a directly controllable 2D code
CHI '06 Extended Abstracts on Human Factors in Computing Systems
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In the present paper, a new augmented reality environment that is based on an optical communication system is described. Optical communication devices have been used in several studies on ubiquitous computing. A novel physical structure of an optical communication system that enables the user to select the optical signal by simply pointing its transmitter with his/her finger is developed. In such an environment, the optical transmitter can be treated as a visual tag, referred to as a GhostTag, that includes continuous data, such as audio files. In addition, the PointSpeech application, which provides the user with audio assistant data via GhostTag, is presented herein.