Papers › Deep Clustering with a Dynamic Autoencoder: From Reconstruction towards Centroids Construction
Deep Clustering with a Dynamic Autoencoder: From Reconstruction towards Centroids Construction
Nairouz Mrabah, Naimul Mefraz Khan, Riadh Ksantini, Zied Lachiri
In unsupervised learning, there is no apparent straightforward cost function that can capture the significant factors of variations and similarities. Since natural systems have smooth dynamics, an opportunity is lost if an unsupervised objective function remains static during the training process. The absence of concrete supervision suggests that smooth dynamics should be integrated. Compared to classical static cost functions, dynamic objective functions allow to better make use of the gradual and uncertain knowledge acquired through pseudo-supervision. In this paper, we propose Dynamic Autoencoder (DynAE), a novel model for deep clustering that overcomes a clustering-reconstruction trade-off, by gradually and smoothly eliminating the reconstruction objective function in favor of a construction one. Experimental evaluations on benchmark datasets show that our approach achieves state-of-the-art results compared to the most relevant deep clustering methods.
Code
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Image Clustering | Fashion-MNIST | DynAE | Accuracy | 0.591 | #12 of 13 | Archive leaderboard | report |
| Image Clustering | Fashion-MNIST | DynAE | NMI | 0.642 | #12 of 13 | Archive leaderboard | report |
| Image Clustering | MNIST-full | DynAE | Accuracy | 0.987 | #4 of 16 | Archive leaderboard | report |
| Image Clustering | MNIST-full | DynAE | NMI | 0.964 | #4 of 16 | Archive leaderboard | report |
| Image Clustering | MNIST-test | DynAE | Accuracy | 0.987 | #1 of 11 | Archive leaderboard | report |
| Image Clustering | MNIST-test | DynAE | NMI | 0.963 | #1 of 11 | Archive leaderboard | report |
| Image Clustering | USPS | DynAE | Accuracy | 0.981 | #2 of 16 | Archive leaderboard | report |
| Image Clustering | USPS | DynAE | NMI | 0.948 | #2 of 16 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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