2022
DOI: 10.3390/s22062149
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Wearable IMMU-Based Relative Position Estimation between Body Segments via Time-Varying Segment-to-Joint Vectors

Abstract: In biomechanics, estimating the relative position between two body segments using inertial and magnetic measurement units (IMMUs) is important in that it enables the capture of human motion in unconstrained environments. The relative position can be estimated using the segment orientation and segment-to-joint center (S2J) vectors where the S2J vectors are predetermined as constants under the assumption of rigid body segments. However, human body segments are not rigid bodies because they are easily affected by… Show more

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Cited by 6 publications
(3 citation statements)
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“…These proposals assume that the joints are fixed, but it is not the case in all the activities in daily living. In [184], the calibration of moving joints with soft tissue artifacts is addressed.…”
Section: A General Trendsmentioning
confidence: 99%
“…These proposals assume that the joints are fixed, but it is not the case in all the activities in daily living. In [184], the calibration of moving joints with soft tissue artifacts is addressed.…”
Section: A General Trendsmentioning
confidence: 99%
“…These proposals assume that the joints are fixed, but it is not the case in all the activities in the daily living. In [184], the calibration of moving joints with soft tissue artifacts is addressed.…”
Section: A General Trendsmentioning
confidence: 99%
“…For decades, inertial motion capture has been widely used in various fields to determine the precise three-dimensional (3D) orientation of a moving object without in-the-lab constraints, such as in aerospace [1][2][3], robotics [4], and ambulatory human motion tracking [5,6]. In particular, 3D orientation estimation technology using a nine-axis inertial measurement unit (IMU), which consists of a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer, is a key technology for inertial motion capture systems.…”
Section: Introductionmentioning
confidence: 99%