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Poster
GeomCA: Geometric Evaluation of Data Representations
Petra Poklukar · Anastasiia Varava · Danica Kragic

Thu Jul 22 09:00 AM -- 11:00 AM (PDT) @

Evaluating the quality of learned representations without relying on a downstream task remains one of the challenges in representation learning. In this work, we present Geometric Component Analysis (GeomCA) algorithm that evaluates representation spaces based on their geometric and topological properties. GeomCA can be applied to representations of any dimension, independently of the model that generated them. We demonstrate its applicability by analyzing representations obtained from a variety of scenarios, such as contrastive learning models, generative models and supervised learning models.

Author Information

Petra Poklukar (KTH Royal Institute of Technology)
Anastasiia Varava (KTH Royal Institute of Technology)
Danica Kragic (KTH)

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