64 citations · 195 across the 23 of their papers we have counts for
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math.NA2022
Generalized Pseudoskeleton Decompositions
Keaton Hamm
We characterize some variations of pseudoskeleton (also called CUR) decompositions for matrices and tensors over arbitrary fields. These characterizations extend previous results t…
stat.ML2022★ 2 cited
Riemannian CUR Decompositions for Robust Principal Component Analysis
Keaton Hamm, Mohamed Meskini, HanQin Cai
Robust Principal Component Analysis (PCA) has received massive attention in recent years. It aims to recover a low-rank matrix and a sparse matrix from their sum. This paper propos…
cs.LG2022
Wassmap: Wasserstein Isometric Mapping for Image Manifold Learning
Keaton Hamm, Nick Henscheid, Shujie Kang
In this paper, we propose Wasserstein Isometric Mapping (Wassmap), a nonlinear dimensionality reduction technique that provides solutions to some drawbacks in existing global nonli…