Cited by 349Inertial Sensor and NavigationContext-Aware Activity Recognition SystemsTarget Tracking and Data Fusion in Sensor Networks

Estimating Three-Dimensional Orientation of Human Body Parts by Inertial/Magnetic Sensing

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Sabatini, Angelo Maria·2011·Sensors

Abstract

User-worn sensing units composed of inertial and magnetic sensors are becoming increasingly popular in various domains, including biomedical engineering, robotics, virtual reality, where they can also be applied for real-time tracking of the orientation of human body parts in the three-dimensional (3D) space. Although they are a promising choice as wearable sensors under many respects, the inertial and magnetic sensors currently in use offer measuring performance that are critical in order to achieve and maintain accurate 3D-orientation estimates, anytime and anywhere. This paper reviews the main sensor fusion and filtering techniques proposed for accurate inertial/magnetic orientation tracking of human body parts; it also gives useful recipes for their actual implementation.

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  • Combining accelerometer, gyroscope, and magnetometer signals through data fusion algorithms can provide a reliable estimate of M/IMU orientation.

    “By combining the signals of each sensor through intelligent data fusion algorithms, one can obtain a reliable estimate of M/IMU orientation.”
  • The weaknesses of each sensor in the estimation of joint kinematics could have separately impacted the accuracy/reliability of M/IMUs, as sensor fusion does not fully compensate for all sensor limitations.

    “Another important aspect to consider, as discussed in the Materials and Methods section, is that the weaknesses of each sensor in the estimation of joint kinematics could have separately impacted the accuracy/reliability of M/IMUs as sensor fusion does not fully compensate for all sensors limitations [9].”

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3 of the 74 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. [60]Liang J. Shaw C. Green M. On temporal-spatial realism in the virtual environment Proceedings of Symposium on User Interface Software and Technology Hilton Head, SC, USA 1991 19 25
  2. [68]Gebre-Egziabher D. Elkaim G.H. Powell J.D. Parkinson B.W. A non-linear, two-step estimation algorithm for calibrating solid-state strapdown magnetometers 8th International Conference on Navigation Systems St. Petersburg, Russia 2001

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Authors
Sabatini, A. M.
Affiliations
Scuola Superiore Sant'Anna (IT)
Corresponding author
Sabatini, Angelo Maria
Venue
Sensors
Publisher
MDPI AG
Published
2011-01-26
Volume
11
Issue
2
Pages
1489-1525
ISSN
1424-8220 (ISSN-L)
OpenAlex
W2150893603
Cited by
349
References
74
Citations by year
2026: 31 · 2025: 18 · 2024: 20 · 2023: 21 · 2022: 20 · 2021: 35 · 2020: 32 · 2019: 27 · 2018: 36 · 2017: 23 · 2016: 26 · 2015: 17 · 2014: 19 · 2013: 14 · 2012: 6
FWCI
4.43
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • CINECA IRIS Institutional Research Information System (Sant'Anna School of Advanced Studies) (submittedVersion)
  • CINECA IRIS Institutional Research Information System (Sant'Anna School of Advanced Studies) (submittedVersion, cc-by-nc-nd)
Topics
  • Physical Sciences › Engineering › Aerospace Engineering › Inertial Sensor and Navigation
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Physical Sciences › Computer Science › Artificial Intelligence › Target Tracking and Data Fusion in Sensor Networks
Keywords
inertial sensors, magnetic sensors, 3D orientation estimation, wearable sensors, sensor fusion, filtering techniques, inertial measurement unit, magnetometer, orientation tracking
MeSH terms
Algorithms, Biomechanical Phenomena, Humans, Magnetics, Orientation, Human Body, Imaging, Three-Dimensional

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