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Influence of relative position and pose between sensor and human on respiration measurement with microwave Doppler sensor

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3 Author(s)
Hajime Kubo ; School of information science and technology, The Univ. of Tokyo 7-3-1 Hongo, Bunkyo-ku, Japan ; Taketoshi Mori ; Tomomasa Sato

Measurement of human respiration with microwave Doppler sensor is influenced by the relative position and pose between sensor and human. In this paper, we propose a numerical representation of relation between the measurement and the position and pose. First, we devise a parametric expression of the relative position and pose whose parameters can also be used in microwave signal strength model. Then we prepare a dataset which consists of respiration signal and position and pose of the sensor and the target. The two kinds of data are simultaneously measured with a microwave Doppler sensor and a motion capture. Finally, a model whose inputs are the parameters and output is the measurability of respiration is constructed based on the dataset. Using this model, the influence of the parameters on the measurement is discussed.

Published in:

Networked Sensing Systems (INSS), 2010 Seventh International Conference on

Date of Conference:

15-18 June 2010