HoloWall: designing a finger, hand, body, and object sensitive wall
Proceedings of the 10th annual ACM symposium on User interface software and technology
A hand gesture interface device
CHI '87 Proceedings of the SIGCHI/GI Conference on Human Factors in Computing Systems and Graphics Interface
Whisper: a wristwatch style wearable handset
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
DiamondTouch: a multi-user touch technology
Proceedings of the 14th annual ACM symposium on User interface software and technology
SmartSkin: an infrastructure for freehand manipulation on interactive surfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Fast Tracking of Hands and Fingertips in Infrared Images for Augmented Desk Interface
FG '00 Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition 2000
Low-cost multi-touch sensing through frustrated total internal reflection
Proceedings of the 18th annual ACM symposium on User interface software and technology
Robust computer vision-based detection of pinching for one and two-handed gesture input
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
An augmented tabletop video game with pinching gesture recognition
ACM SIGGRAPH ASIA 2008 artgallery: emerging technologies
Marble market: bimanual interactive game with a body shape sensor
ICEC'07 Proceedings of the 6th international conference on Entertainment Computing
Multi-point interactions with immersive omnidirectional visualizations in a dome
ACM International Conference on Interactive Tabletops and Surfaces
PACMAN UI: vision-based finger detection for positioning and clicking manipulations
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
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We present our new interaction technique for tabletop system and video game application using it. This technique is for recognizing a pinching gesture performed with the thumb and forefinger and tapping gestures with them by a ceiling camera above the table. The positions and orientations of multiple gestures are recognized at 200Hz, and the users around the table are tracked by their arm positions. This technique is useful for large-sized tabletop system for multiple users because it does not require any additional equipments to them nor registration process before using the system. Some pilot studies demonstrated the robustness and accuracy of the proposed technique with displaying appropriate guide on the display. We also developed a video game application called "Pac-pac". A player can shoot a bullet along the orientation of his hand by tapping, from any side of the table. We exhibited Pac-pac several time and well-received.