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Conference papers

Graph-Based Analysis of Physical Exercise Actions

Oya Celiktutan 1 Akgül Ceyhun Burak Christian Wolf 1 Bülent Sankur
1 imagine - Extraction de Caractéristiques et Identification
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : In this paper, we develop a graph-based method to align two dynamic sequences, and apply it to both action recognition tasks as well as to the objective quantification of the goodness of the action performance. The automated measurement of “action quality" has potential to be used to monitor action imitations, for example, during a physical therapy. We seek matches between a query sequence and model sequences selected with graph mining. The best matches are obtained through minimizing an energy function that jointly measures space and time domain discrepancies. This graph discrepancy measure has been used for recognizing actions, for separating acceptable and unacceptable action performances, or as a continuous quantification of the action performance goodness. Experimental evaluations demonstrate the improved results of our scheme vis-à-vis its nearest competitors. Furthermore, a plausible relationship has been obtained between action perturbation, given by the joint noise variances, and quality measure, given by matching energies averaged over a sequence.
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Submitted on : Wednesday, June 29, 2016 - 3:50:09 PM
Last modification on : Tuesday, June 1, 2021 - 2:08:09 PM


  • HAL Id : hal-01339245, version 1


Oya Celiktutan, Akgül Ceyhun Burak, Christian Wolf, Bülent Sankur. Graph-Based Analysis of Physical Exercise Actions. ACM Multimedia Workshop on Multimedia Indexing and Information Retrieval for Healthcare, Oct 2013, Barcelona, Spain. pp.23-32. ⟨hal-01339245⟩



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