Search Results for author: Joakim andén

Found 8 papers, 5 papers with code

Time-Frequency Scattering Accurately Models Auditory Similarities Between Instrumental Playing Techniques

1 code implementation21 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.

Metric Learning

Bias and variance reduction and denoising for CTF Estimation

no code implementations9 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.

Denoising Density Estimation

Hyper-Molecules: on the Representation and Recovery of Dynamical Structures, with Application to Flexible Macro-Molecular Structures in Cryo-EM

no code implementations2 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.

APPLE Picker: Automatic Particle Picking, a Low-Effort Cryo-EM Framework

1 code implementation1 Feb 2018 Ayelet Heimowitz, Joakim andén, Amit Singer

Selecting particles from the micrographs is difficult especially for small particles with low contrast.

Template Matching

Covariance estimation using conjugate gradient for 3D classification in Cryo-EM

no code implementations2 Dec 2014 Joakim andén, Eugene Katsevich, Amit Singer

Classifying structural variability in noisy projections of biological macromolecules is a central problem in Cryo-EM.

3D Classification General Classification

Deep Scattering Spectrum

1 code implementation24 Apr 2013 Joakim andén, Stéphane Mallat

A scattering transform defines a locally translation invariant representation which is stable to time-warping deformations.

Sound Information Theory Information Theory

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