GyroPen: Gyroscopes for Pen-Input With Mobile Phones

  title={GyroPen: Gyroscopes for Pen-Input With Mobile Phones},
  author={Thomas Deselaers and Daniel Keysers and Jan Hendrik Hosang and Henry A. Rowley},
  journal={IEEE Transactions on Human-Machine Systems},
We present GyroPen, a method to reconstruct the motion path for pen-like interaction from standard built-in sensors in modern smartphones. The key idea is to reconstruct a representation of the trajectory of the phone's corner that is touching a writing or drawing surface from the measurements obtained from the phone's gyroscopes and accelerometers. We propose to directly use the angular trajectory for this reconstruction, which removes the necessity for accurate absolute 3-D position… CONTINUE READING
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