Neural collapse with unconstrained features

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Authors Dustin G. Mixon, Hans Parshall, Jianzong Pi arXiv ID 2011.11619 Category cs.LG: Machine Learning Citations 144 Venue Sampling Theory, Signal Processing, and Data Analysis Last Checked 4 months ago
Abstract
Neural collapse is an emergent phenomenon in deep learning that was recently discovered by Papyan, Han and Donoho. We propose a simple "unconstrained features model" in which neural collapse also emerges empirically. By studying this model, we provide some explanation for the emergence of neural collapse in terms of the landscape of empirical risk.
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