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Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery

Abstract: 

In this paper we propose a hierarchical activity clustering methodology which incorporates the use of topological persistence analysis. Our clustering methodology captures the hierarchies present in the data and is therefore able to show the dependencies that exist between these activities. We make use of an aggregate persistence diagram to select robust graphical structures present within the dataset. These models are stable over a bound and provide accurate classification results. This approach allows us to select parameters based on the amount of temporal information needed to maintain high accuracy. The key innovations presented in this paper include the hierarchical characterization of the activities over a temporal parameter as well as the characterization and parameter selection based on stability of the results using persistence analysis.

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Paper Details

Authors:
Namita Lokare, Daniel Benavides, Sahil Juneja, Edgar Lobaton
Submitted On:
26 November 2016 - 11:17am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Namita Lokare
Paper Code:
1371
Document Year:
2016
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[1] Namita Lokare, Daniel Benavides, Sahil Juneja, Edgar Lobaton, "Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery", IEEE SigPort, 2016. [Online]. Available: http://sigport.org/1309. Accessed: Aug. 03, 2020.
@article{1309-16,
url = {http://sigport.org/1309},
author = {Namita Lokare; Daniel Benavides; Sahil Juneja; Edgar Lobaton },
publisher = {IEEE SigPort},
title = {Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery},
year = {2016} }
TY - EJOUR
T1 - Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery
AU - Namita Lokare; Daniel Benavides; Sahil Juneja; Edgar Lobaton
PY - 2016
PB - IEEE SigPort
UR - http://sigport.org/1309
ER -
Namita Lokare, Daniel Benavides, Sahil Juneja, Edgar Lobaton. (2016). Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery. IEEE SigPort. http://sigport.org/1309
Namita Lokare, Daniel Benavides, Sahil Juneja, Edgar Lobaton, 2016. Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery. Available at: http://sigport.org/1309.
Namita Lokare, Daniel Benavides, Sahil Juneja, Edgar Lobaton. (2016). "Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery." Web.
1. Namita Lokare, Daniel Benavides, Sahil Juneja, Edgar Lobaton. Hierarchical Activity Clustering Analysis for Robust Graphical Structure Recovery [Internet]. IEEE SigPort; 2016. Available from : http://sigport.org/1309