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Lifting Architectural Constraints of Injective Flows
April 25, 2024, 7:43 p.m. | Peter Sorrenson, Felix Draxler, Armand Rousselot, Sander Hummerich, Lea Zimmermann, Ullrich K\"othe
cs.LG updates on arXiv.org arxiv.org
Abstract: Normalizing Flows explicitly maximize a full-dimensional likelihood on the training data. However, real data is typically only supported on a lower-dimensional manifold leading the model to expend significant compute on modeling noise. Injective Flows fix this by jointly learning a manifold and the distribution on it. So far, they have been limited by restrictive architectures and/or high computational cost. We lift both constraints by a new efficient estimator for the maximum likelihood loss, compatible with …
abstract arxiv compute constraints cs.lg data distribution however likelihood manifold modeling noise real data training training data type
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