128 Citations
The rule of 1s for padding kinematic data prior to digital filtering: influence of sampling and filter cutoff frequencies.
- EngineeringJournal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology
- 2009
Automatic segment filtering procedure for processing non-stationary signals.
- EngineeringJournal of biomechanics
- 2020
Improved extrapolation techniques in recursive digital filtering: a comparison of least squares and prediction.
- GeologyJournal of biomechanics
- 1998
A Comparison of Smoothing and Filtering Approaches Using Simulated Kinematic Data of Human Movements
- Engineering
- 2017
Gathered kinematic data usually requires post-processing in order to handle noise. There a three different approaches frequently used: local regression & moving average algorithms, and Butterworth…
A comparison of automatic filtering techniques applied to biomechanical walking data.
- EngineeringJournal of biomechanics
- 1997
A note on data smoothing for movement analysis: the relevance of a nonlinear method.
- Computer ScienceJournal of motor behavior
- 1994
Although the results indicated an overall good fit between the recorded and the calculated acceleration curves, only the nonlinear method led to reliable acceleration curves when aberrant points were present in the position data.
Optimal digital filtering requires a different cut-off frequency strategy for the determination of the higher derivatives.
- EngineeringJournal of biomechanics
- 1997
Higher derivative determination in digital filtering: a different cut-off frequency strategy [biomechanics application]
- EngineeringProceedings of the 1997 16 Southern Biomedical Engineering Conference
- 1997
The present study investigated four different filtering and differentiation sequences for the calculation of the higher derivatives from noisy displacement data when using a second order Butterworth…
Digital Filtering of Three-Dimensional Lower Extremity Kinematics: an Assessment
- EngineeringJournal of human kinetics
- 2013
This investigation provides new information regarding the influence of digital filtering on lower extremity kinematics and re-emphasizes the importance of selecting the correct cut-off frequency.
Endpoint error in smoothing and differentiating raw kinematic data: an evaluation of four popular methods.
- EngineeringJournal of biomechanics
- 1996
References
SHOWING 1-7 OF 7 REFERENCES
The use of optimally regularized Fourier series for estimating higher-order derivatives of noisy biomechanical data.
- MathematicsJournal of biomechanics
- 1981
An assessment of derivative determining techniques used for motion analysis.
- Computer ScienceJournal of biomechanics
- 1977
On practical evaluation of differentiation techniques for human gait analysis.
- MathematicsJournal of biomechanics
- 1982
Data smoothing and differentiation procedures in biomechanics.
- PhysicsExercise and sport sciences reviews
- 1982
“When you can measure what you are speaking about, and express it in numbers, you know something about it.”(William Thomson, Lord Kelvin. Popular Lectures and Addresses, 1891–1894)
Biomechanics ofHuman Mooement
- 1979
On practical evaluation
- 1982