1 code implementation • 28 Dec 2020 • Joe Kileel, Amit Moscovich, Nathan Zelesko, Amit Singer
Manifold learning methods play a prominent role in nonlinear dimensionality reduction and other tasks involving high-dimensional data sets with low intrinsic dimensionality.
1 code implementation • 20 Oct 2020 • Rohan Rao, Amit Moscovich, Amit Singer
Motivated by the 2D class averaging problem in single-particle cryo-electron microscopy (cryo-EM), we present a k-means algorithm based on a rotationally-invariant Wasserstein metric for images.
1 code implementation • 19 Oct 2020 • Sharon Zhang, Amit Moscovich, Amit Singer
Mathematically, if the parameter space of each continuous independent motion is a manifold, then their combination is known as a product manifold.
no code implementations • 22 Oct 2019 • Ye Zhou, Amit Moscovich, Tamir Bendory, Alberto Bartesaghi
Single-particle cryo-Electron Microscopy (EM) has become a popular technique for determining the structure of challenging biomolecules that are inaccessible to other technologies.
1 code implementation • 16 Oct 2019 • Nathan Zelesko, Amit Moscovich, Joe Kileel, Amit Singer
In this paper, we propose a novel approach for manifold learning that combines the Earthmover's distance (EMD) with the diffusion maps method for dimensionality reduction.
1 code implementation • 1 Jul 2019 • Amit Moscovich, Amit Halevi, Joakim andén, Amit Singer
An important challenge in cryo-EM is the reconstruction of non-rigid molecules with parts that move and deform.
1 code implementation • 25 Jan 2019 • Amit Moscovich, Saharon Rosset
Cross-validation is the de facto standard for predictive model evaluation and selection.
no code implementations • 6 Jun 2018 • Yaniv Tenzer, Amit Moscovich, Mary Frances Dorn, Boaz Nadler, Clifford Spiegelman
The resulting classifier is linear in the log-transformed univariate and bivariate densities that correspond to the tree edges.
no code implementations • 7 Nov 2016 • Amit Moscovich, Ariel Jaffe, Boaz Nadler
We consider semi-supervised regression when the predictor variables are drawn from an unknown manifold.