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Poster
in
Workshop: The Second Workshop on Spurious Correlations, Invariance and Stability

Shortcut Detection with Variational Autoencoders

Nicolas Müller · Simon Roschmann · Shahbaz Khan · Philip Sperl · Konstantin Böttinger


Abstract:

For real-world applications of machine learning (ML), it is essential that models make predictions based on well-generalizing features rather than spurious correlations in the data. The identification of such spurious correlations, also known as shortcuts, is a challenging problem and has so far been scarcely addressed. In this work, we present a novel approach to detect shortcuts in image and audio datasets by leveraging variational autoencoders (VAEs). The disentanglement of features in the latent space of VAEs allows us to discover correlations in datasets and semi-automatically evaluate them for ML shortcuts. We demonstrate the applicability of our method on several real-world datasets and identify shortcuts that have not been discovered before.

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