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Deep Clustering based on a Mixture of Autoencoders

Citation Author(s):
Shlomo E. Chazan, Sharon Gannot and Jacob Goldberger
Submitted by:
Sharon Gannot
Last updated:
11 October 2019 - 9:39pm
Document Type:
Poster
Document Year:
2019
Event:
Presenters:
Sharon Gannot
Paper Code:
77
 

In this paper we propose a Deep Autoencoder Mixture Clustering(DAMIC) algorithm based on a mixture of deep autoencoders whereeach cluster is represented by an autoencoder. A clustering networktransforms the data into another space and then selects one of theclusters. Next, the autoencoder associated with this cluster is usedto reconstruct the data-point. The clustering algorithm jointly learnsthe nonlinear data representation and the set of autoencoders. Theoptimal clustering is found by minimizing the reconstruction loss ofthe mixture of autoencoder network. Unlike other deep clusteringalgorithms, no regularization term is needed to avoid data collapsingto a single point. Our experimental evaluations on image and textcorpora show significant improvement over state-of-the-art methods.

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