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
Robust Finger Tracking with Multiple Cameras
RATFG-RTS '99 Proceedings of the International Workshop on Recognition, Analysis, and Tracking of Faces and Gestures in Real-Time Systems
Free-Hand Pointer by Use of an Active Stereo Vision System
ICPR '98 Proceedings of the 14th International Conference on Pattern Recognition-Volume 2 - Volume 2
Visual touchpad: a two-handed gestural input device
Proceedings of the 6th international conference on Multimodal interfaces
Low-cost multi-touch sensing through frustrated total internal reflection
Proceedings of the 18th annual ACM symposium on User interface software and technology
Precise selection techniques for multi-touch screens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ThinSight: integrated optical multi-touch sensing through thin form-factor displays
EDT '07 Proceedings of the 2007 workshop on Emerging displays technologies: images and beyond: the future of displays and interacton
It's Mine, Don't Touch!: interactions at a large multi-touch display in a city centre
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
FLATIR: FTIR multi-touch detection on a discrete distributed sensor array
Proceedings of the 3rd International Conference on Tangible and Embedded Interaction
Empirical evaluation for finger input properties in multi-touch interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Potential Limitations of Multi-touch Gesture Vocabulary: Differentiation, Adoption, Fatigue
Proceedings of the 13th International Conference on Human-Computer Interaction. Part II: Novel Interaction Methods and Techniques
Contact area interaction with sliding widgets
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Detecting and leveraging finger orientation for interaction with direct-touch surfaces
Proceedings of the 22nd annual ACM symposium on User interface software and technology
FiberBoard: compact multi-touch display using channeled light
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Hand distinction for multi-touch tabletop interaction
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Z-touch: an infrastructure for 3d gesture interaction in the proximity of tabletop surfaces
ACM International Conference on Interactive Tabletops and Surfaces
What caused that touch?: expressive interaction with a surface through fiduciary-tagged gloves
ACM International Conference on Interactive Tabletops and Surfaces
See me, see you: a lightweight method for discriminating user touches on tabletop displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proton++: a customizable declarative multitouch framework
Proceedings of the 25th annual ACM symposium on User interface software and technology
Evaluation of a soft-surfaced multi-touch interface
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: interaction modalities and techniques - Volume Part IV
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Building on the observation that finger orientation is an inherent part of human's interaction in the real world, exploiting finger orientation for multitouch tabletop interaction would facilitate more natural interaction techniques. We motivate this by means of examples where the finger orientation improves or enriches interaction. Afterwards, we present a simple and fast approach to detect the finger orientation reliably for multi-touch tabletop interaction. The steps involved are computationally cheap and therefore suit the needs of tracking software operating under time-critical conditions. We show that the presented approach enables the detection of finger orientation also for fingers that touch the tabletop surface only slightly. Further, recognition rates on real data gained from the camera within a multi-touch tabletop are presented in order to give a measure for the precision and reliability of the presented approach.