Modelling white matter with spherical deconvolution: How and why?

F Dell'Acqua, JD Tournier - NMR in Biomedicine, 2019 - Wiley Online Library
Since the realization that diffusion MRI can probe the microstructural organization and
orientation of biological tissue in vivo and non‐invasively, a multitude of diffusion imaging …

Algorithms for nonnegative matrix factorization with the β-divergence

C Févotte, J Idier - Neural computation, 2011 - ieeexplore.ieee.org
This letter describes algorithms for nonnegative matrix factorization (NMF) with the β-
divergence (β-NMF). The β-divergence is a family of cost functions parameterized by a …

[图书][B] The EM algorithm and extensions

GJ McLachlan, T Krishnan - 2007 - books.google.com
The only single-source——now completely updated and revised——to offer a unified
treatment of the theory, methodology, and applications of the EM algorithm Complete with …

[图书][B] Introduction to inverse problems in imaging

M Bertero, P Boccacci, C De Mol - 2021 - taylorfrancis.com
Fully updated throughout, with several new chapters, this second edition of Introduction to
Inverse Problems in Imaging guides advanced undergraduate and graduate students in …

The why and how of nonnegative matrix factorization

N Gillis - … , optimization, kernels, and support vector machines, 2014 - books.google.com
Nonnegative matrix factorization (NMF) has become a widely used tool for the analysis of
high-dimensional data as it automatically extracts sparse and meaningful features from a set …

A modified damped Richardson–Lucy algorithm to reduce isotropic background effects in spherical deconvolution

F Dell'Acqua, P Scifo, G Rizzo, M Catani, A Simmons… - Neuroimage, 2010 - Elsevier
Spherical deconvolution methods have been applied to diffusion MRI to improve diffusion
tensor tractography results in brain regions with multiple fibre crossing. Recent …

[HTML][HTML] Generalized alpha-beta divergences and their application to robust nonnegative matrix factorization

A Cichocki, S Cruces, S Amari - Entropy, 2011 - mdpi.com
We propose a class of multiplicative algorithms for Nonnegative Matrix Factorization (NMF)
which are robust with respect to noise and outliers. To achieve this, we formulate a new …

[图书][B] Nonnegative matrix factorization

N Gillis - 2020 - SIAM
Identifying the underlying structure of a data set and extracting meaningful information is a
key problem in data analysis. Simple and powerful methods to achieve this goal are linear …

Accelerated multiplicative updates and hierarchical ALS algorithms for nonnegative matrix factorization

N Gillis, F Glineur - Neural computation, 2012 - direct.mit.edu
Nonnegative matrix factorization (NMF) is a data analysis technique used in a great variety
of applications such as text mining, image processing, hyperspectral data analysis …

[PDF][PDF] Treatment of axial data in three-dimensional PET

ME Daube-Witherspoon… - Journal of nuclear …, 1987 - Soc Nuclear Med
Improved axial spatial resolution in positron emission tomography (PET) scanners will lead
to reduced sensitivity unless the axial acceptance angle for the coincidences is kept …