Sparse representation based action and gesture recognition

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Abstract
In this paper we present a solution to the problem of action and gesture recognition using sparse representations. The dictionary is modelled as a simple concatenation of features computed for each action or gesture class from the training data, and test data is classified by finding sparse representation of the test video features over this dictionary. Our method does not impose any explicit training procedure on the dictionary. We experiment our model with two kinds of features, by projecting (i) Gait Energy Images (GEIs) and (ii) Motion-descriptors, to a lower dimension using Random projection. Experiments have shown 100% recognition rate on standard datasets and are compared to the results obtained with widely used SVM classifier.
Date Issued
2013
Publication Type
Conference Item
Subject(s)
Language(s)
en
Author(s)
Bomma, Sushma
Robertson, Neil
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Publisher
IEEE
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http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6738030&tag=1
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metadata.only
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