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This Python package provides a comprehensive set of tools and advanced algorithms for analyzing 3D motion capture data. It is specifically designed to process gait data stored in c3d format. Prior to utilizing the features of gaitalytics, it is necessary to perform data labeling, modeling, and filtering procedures.
The library's versatility allows it to be adaptable to various marker sets and modeling algorithms, offering high configurability.
Method | Description | options |
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Marker | Zenis 2006 |
Method | Description | options |
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context | Checks gait event sequences HS->TO-HS-TO | |
spacing | Checks Frames between same event on same context |
Method | Description | options |
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angels forces moments power |
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Spatio-temporal |
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[1] J. H. Hollman, E. M. McDade, and R. C. Petersen, “Normative Spatiotemporal Gait Parameters in Older Adults,” Gait Posture, vol. 34, no. 1, pp. 111–118, May 2011, doi: 10.1016/j.gaitpost.2011.03.024.
[2] A. Gouelle and F. Mégrot (2017), “Interpreting spatiotemporal parameters, symmetry, and variability in clinical gait analysis”, Handbook of Human Motion pp. 1-20, Publisher: Springer International Publishing.
Fast install with anaconda:
conda install gaitalytics
You can also install the in-development version with:
todo
Gaitalytics can be used with any marker set, which at least includes four hip markers (left front/back, right front/back) and four foot markers (left heel/toe, right heel/toe) and four ankle makers (left medial/lateral, right medial lateral).
All functionalities in the libraries only take points into account which are configured in as specific yaml file. Working example file can be found here
Minimal requirements would look like this:
marker_set_mapping:
left_back_hip: LASIS
right_back_hip: RASIS
left_front_hip: LPSIS
right_front_hip: RPSIS
left_lat_malleoli: LLM
right_lat_malleoli: RLM
left_med_malleoli: LMM
right_med_malleoli: RMM
right_heel: RHEE
left_heel: LHEE
right_meta_2: RMT2
left_meta_2: LMT2
com: COM
left_cmos: cmos_left
right_cmos: cmos_right
model_mapping:
Warning Do not rename keys of the minimal setting
Please take the resources in the example folder for advice.