uDirect: A novel approach for pervasive observation of user direction with mobile phones

@article{Hoseinitabatabaei2011uDirectAN,
  title={uDirect: A novel approach for pervasive observation of user direction with mobile phones},
  author={Seyed Amir Hoseinitabatabaei and Alexander Gluhak and Rahim Tafazolli},
  journal={2011 IEEE International Conference on Pervasive Computing and Communications (PerCom)},
  year={2011},
  pages={74-83}
}
In this paper we present the uDirect algorithm as a novel approach for mobile phone centric observation of a user's facing direction, through which the device and user orientations relative to earth coordinate are estimated. While the device orientation estimation is based on accelerometer and magnetometer measurements in standing mode, the unique behavior of measured acceleration during stance phase of a human's walking cycle is used for detecting user direction. Furthermore, the algorithm is… CONTINUE READING
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