3 papers
cs.CV2026
Two Datasets Are Better Than One: Method of Double Moments for 3-D Reconstruction in Cryo-EM
Joe Kileel, Oscar Mickelin, Amit Singer +1
Cryo-electron microscopy (cryo-EM) is a powerful imaging technique for reconstructing three-dimensional molecular structures from noisy tomographic projection images of randomly or…
math.ST2025
Misspecified Maximum Likelihood Estimation for Non-Uniform Group Orbit Recovery
Sheng Xu, Anderson Ye Zhang, Amit Singer
We study maximum likelihood estimation (MLE) in the generalized group orbit recovery model, where each observation is generated by applying a random group action and a known, fixed…
cs.LG2025
Manifold learning in metric spaces
Liane Xu, Amit Singer
Laplacian-based methods are popular for the dimensionality reduction of data lying in . Several theoretical results for these algorithms depend on the fact that the E…