1 code implementation • 13 Mar 2024 • Marcus Häggbom, Morten Karlsmark, Joakim andén
Microcanonical gradient descent is a sampling procedure for energy-based models allowing for efficient sampling of distributions in high dimension.
1 code implementation • 21 Jul 2020 • Vincent Lostanlen, Christian El-Hajj, Mathias Rossignol, Grégoire Lafay, Joakim andén, Mathieu Lagrange
Furthermore, it minimizes triplet loss in the cluster graph by means of the large-margin nearest neighbor (LMNN) metric learning algorithm.
no code implementations • 9 Aug 2019 • Ayelet Heimowitz, Joakim andén, Amit Singer
Our method is based on the multi-taper method for power spectral density estimation, which aims to reduce the bias and variance of the estimator.
no code implementations • 2 Jul 2019 • Roy R. Lederman, Joakim andén, Amit Singer
We introduce the ``hyper-molecule'' framework for modeling structures across different states of heterogeneous molecules, including continuums of states.
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.
2 code implementations • 28 Dec 2018 • Mathieu Andreux, Tomás Angles, Georgios Exarchakis, Roberto Leonarduzzi, Gaspar Rochette, Louis Thiry, John Zarka, Stéphane Mallat, Joakim andén, Eugene Belilovsky, Joan Bruna, Vincent Lostanlen, Muawiz Chaudhary, Matthew J. Hirn, Edouard Oyallon, Sixin Zhang, Carmine Cella, Michael Eickenberg
The wavelet scattering transform is an invariant signal representation suitable for many signal processing and machine learning applications.
1 code implementation • 1 Feb 2018 • Ayelet Heimowitz, Joakim andén, Amit Singer
Selecting particles from the micrographs is difficult especially for small particles with low contrast.
no code implementations • 2 Dec 2014 • Joakim andén, Eugene Katsevich, Amit Singer
Classifying structural variability in noisy projections of biological macromolecules is a central problem in Cryo-EM.
1 code implementation • 24 Apr 2013 • Joakim andén, Stéphane Mallat
A scattering transform defines a locally translation invariant representation which is stable to time-warping deformations.
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