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Pose estimation of cyclic movement using inertial sensor data
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Systems and Control. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Automatic control. Inst Tecnol & Estudias Super Monterrey, Dept Mechatron, Atizapan, Mexico.ORCID iD: 0000-0002-6916-4148
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Systems and Control. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Automatic control.
2016 (English)In: Proc. 19th Statistical Signal Processing Workshop, IEEE Signal Processing Society, 2016Conference paper, Published paper (Refereed)
Abstract [en]

We propose a method for estimating the rotation and displacement of a rigid body from inertial sensor data based on the assumption that the movement is cyclic in nature, meaning that the body returns to the same position and orientation at regular time intervals. The method builds on a parameterization of the movement by sums of sinusoids, and the amplitude and phase of the sinusoids are estimated from the data using measurement models with Gaussian noise. The maximum likelihood estimate is then equivalent to a weighted nonlinear least squares estimate. The performance of the method is demonstrated on simulated data and on experimental data.

Place, publisher, year, edition, pages
IEEE Signal Processing Society, 2016.
Keyword [en]
Motion capture, MEMS, IMU, Accelerometer, Gyro, Maximum likelihood
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:uu:diva-307229DOI: 10.1109/SSP.2016.7551830ISI: 000390840200126ISBN: 9781467378031 (print)OAI: oai:DiVA.org:uu-307229DiVA: diva2:1045830
Conference
SSP 2016, June 26–29, Palma de Mallorca, Spain
Projects
Mobile human balance assessment
Funder
Swedish Research Council, 2015-05054
Available from: 2016-08-25 Created: 2016-11-10 Last updated: 2017-06-28Bibliographically approved

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Halvorsen, KjartanOlsson, Fredrik

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Citation style
  • apa
  • ieee
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Output format
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