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HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES

Abstract: 

Analysis of hand skeleton data can be used to understand patterns in manipulation and assembly tasks. This paper introduces a graphbased representation of hand skeleton data and proposes a method to perform unsupervised temporal segmentation of a sequence of subtasks in order to evaluate the efficiency of an assembly task. We explore the properties of different choices of hand graphs and their spectral decomposition. A comparative performance of these graphs is presented in the context of complex activity segmentation. We show that the spectral graph features extracted from 2D hand motion data outperform the direct use of motion vectors as features. We also make the collected hand position data available to the research community to facilitate further development in this direction.

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Paper Details

Authors:
Jiun-Yu Kao, Antonio Ortega, Tomoya Sawada, Hassan Mansour, Anthony Vetro, Akira Minezawa
Submitted On:
10 May 2019 - 1:50pm
Short Link:
Type:
Poster
Event:
Presenter's Name:
Pratyusha Das
Paper Code:
3922
Document Year:
2019
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Document Files

ICASSPposter2019_PratyushaDas.pdf

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[1] Jiun-Yu Kao, Antonio Ortega, Tomoya Sawada, Hassan Mansour, Anthony Vetro, Akira Minezawa, "HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4381. Accessed: Sep. 16, 2019.
@article{4381-19,
url = {http://sigport.org/4381},
author = {Jiun-Yu Kao; Antonio Ortega; Tomoya Sawada; Hassan Mansour; Anthony Vetro; Akira Minezawa },
publisher = {IEEE SigPort},
title = {HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES},
year = {2019} }
TY - EJOUR
T1 - HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES
AU - Jiun-Yu Kao; Antonio Ortega; Tomoya Sawada; Hassan Mansour; Anthony Vetro; Akira Minezawa
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4381
ER -
Jiun-Yu Kao, Antonio Ortega, Tomoya Sawada, Hassan Mansour, Anthony Vetro, Akira Minezawa. (2019). HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES. IEEE SigPort. http://sigport.org/4381
Jiun-Yu Kao, Antonio Ortega, Tomoya Sawada, Hassan Mansour, Anthony Vetro, Akira Minezawa, 2019. HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES. Available at: http://sigport.org/4381.
Jiun-Yu Kao, Antonio Ortega, Tomoya Sawada, Hassan Mansour, Anthony Vetro, Akira Minezawa. (2019). "HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES." Web.
1. Jiun-Yu Kao, Antonio Ortega, Tomoya Sawada, Hassan Mansour, Anthony Vetro, Akira Minezawa. HAND GRAPH REPRESENTATIONS FOR UNSUPERVISED SEGMENTATION OF COMPLEX ACTIVITIES [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4381