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Action Classification from Motion Capture Data using Topological Data Analysis

Abstract: 

This paper proposes a novel framework for activity recognition from 3D motion capture data using topological data analysis (TDA). We extract point clouds describing the oscillatory patterns of body joints from the principal components of their time series using Taken's delay embedding. Topological persistence from TDA is exploited to extract topological invariants of the constructed point clouds. We propose a feature extraction method from persistence diagrams in order to generate robust low dimensional features used for classification of different activities. Our experimental results demonstrate high separability of generated features, and as a result a high accuracy of classification.

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Paper Details

Authors:
Alireza Dirafzoon, Namita Lokare and Edgar Lobaton
Submitted On:
26 November 2016 - 11:07am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Edgar Lobaton
Paper Code:
1345
Document Year:
2016
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[1] Alireza Dirafzoon, Namita Lokare and Edgar Lobaton, "Action Classification from Motion Capture Data using Topological Data Analysis", IEEE SigPort, 2016. [Online]. Available: http://sigport.org/1310. Accessed: Oct. 17, 2018.
@article{1310-16,
url = {http://sigport.org/1310},
author = {Alireza Dirafzoon; Namita Lokare and Edgar Lobaton },
publisher = {IEEE SigPort},
title = {Action Classification from Motion Capture Data using Topological Data Analysis},
year = {2016} }
TY - EJOUR
T1 - Action Classification from Motion Capture Data using Topological Data Analysis
AU - Alireza Dirafzoon; Namita Lokare and Edgar Lobaton
PY - 2016
PB - IEEE SigPort
UR - http://sigport.org/1310
ER -
Alireza Dirafzoon, Namita Lokare and Edgar Lobaton. (2016). Action Classification from Motion Capture Data using Topological Data Analysis. IEEE SigPort. http://sigport.org/1310
Alireza Dirafzoon, Namita Lokare and Edgar Lobaton, 2016. Action Classification from Motion Capture Data using Topological Data Analysis. Available at: http://sigport.org/1310.
Alireza Dirafzoon, Namita Lokare and Edgar Lobaton. (2016). "Action Classification from Motion Capture Data using Topological Data Analysis." Web.
1. Alireza Dirafzoon, Namita Lokare and Edgar Lobaton. Action Classification from Motion Capture Data using Topological Data Analysis [Internet]. IEEE SigPort; 2016. Available from : http://sigport.org/1310