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Dead reckoning from the pocket - An experimental study

机译:死于口袋里的死亡 - 一个实验研究

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摘要

Modern mobile phones enable absolute positioning based on GPS or WiFi. However, incremental positioning based on dead reckoning is an interesting source of complementary information, e.g., for indoor positioning or for filling in reception gaps. In the literature however, reasonable dead reckoning accuracies have been reported for fixed and typically a priori known device placements only, e.g., on the hip. Therefore, this paper contributes an experimental study of several published as well as novel approaches for dead reckoning in a scenario with unconstrained placement of a device in the user's trouser pockets. Utilizing the movement of a sensor in a trouser pocket due to body motion, we estimate the user's walking direction and steps robustly for arbitrary placements in the pocket and without additional body-worn sensors. We evaluate these methods on a large dataset of 23 traces of 8 different persons, and compare different approaches.
机译:现代手机根据GPS或WiFi启用绝对定位。 然而,基于DEAC RECKONING的增量定位是互补信息的有趣来源,例如,用于室内定位或用于填充接收间隙。 然而,在文献中,已经报道了合理的死亡估算精度,仅用于固定的,并且通常是优先的已知装置放置,例如,在臀部上。 因此,本文有助于对几种公布的实验研究以及在用户裤子口袋中的设备不受约束地放置设备的情况下进行的新颖方法。 由于身体运动,利用传感器在裤子口袋中的运动,我们估计用户的行走方向,鲁棒地估计袋中的任意放置以及没有额外的身体磨损的传感器。 我们在8个不同人的23个迹线的大型数据集上评估这些方法,并比较不同的方法。

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