VIS-Tracker: A Wearable Vision-Inertial Self-Tracker
VR '03 Proceedings of the IEEE Virtual Reality 2003
The Hyperbow controller: real-time dynamics measurement of violin performance
NIME '02 Proceedings of the 2002 conference on New interfaces for musical expression
Versatile sensor acquisition system utilizing network technology
NIME '04 Proceedings of the 2004 conference on New interfaces for musical expression
The augmented violin project: research, composition and performance report
NIME '06 Proceedings of the 2006 conference on New interfaces for musical expression
Combining body sensors and visual sensors for motion training
Proceedings of the 2005 ACM SIGCHI International Conference on Advances in computer entertainment technology
Gesture analysis of violin bow strokes
GW'05 Proceedings of the 6th international conference on Gesture in Human-Computer Interaction and Simulation
Statistical modeling of bowing control applied to violin sound synthesis
IEEE Transactions on Audio, Speech, and Language Processing - Special issue on virtual analog audio Effects and musical instruments
Tasking networked CCTV cameras and mobile phones to identify and localize multiple people
Proceedings of the 12th ACM international conference on Ubiquitous computing
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A cost-effective method was developed for the estimation of the bow velocity in violin playing, using an accelerometer on the bow in combination with point tracking using a standard video camera. The video data are used to detect the moments of bow direction changes. This information is used for piece-wise integration of the accelerometer signal, resulting in a drift-free reconstructed velocity signal with a high temporal resolution. The method was evaluated using a 3D motion capturing system, providing a reliable reference of the actual bow velocity. The method showed good results when the accelerometer and video stream are synchronized. Additional latency and jitter of the camera stream can importantly decrease the performance of the method, depending on the bow stroke type.