Finger and hand detection for multi-touch interfaces based on maximally stable extremal regions

@inproceedings{Ewerling2012FingerAH,
  title={Finger and hand detection for multi-touch interfaces based on maximally stable extremal regions},
  author={Philipp Ewerling and Alexander Kulik and Bernd Fr{\"o}hlich},
  booktitle={ITS},
  year={2012}
}
We propose a new approach for touch detection on optical multi-touch devices that exploits the fact that the camera images reveal not only the actual touch points, but also objects above the screen such as the hand or arm of a user. Our touch processing relies on the Maximally Stable Extremal Regions algorithm for finding the users' fingertips in the camera image. The hierarchical structure of the generated extremal regions serves as a starting point for agglomerative clustering of the… CONTINUE READING
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