Independent component analysis: recent advances
A Hyvärinen - … Transactions of the Royal Society A …, 2013 - royalsocietypublishing.org
Independent component analysis is a probabilistic method for learning a linear transform of
a random vector. The goal is to find components that are maximally independent and non-…
a random vector. The goal is to find components that are maximally independent and non-…
Fast and robust fixed-point algorithms for independent component analysis
A Hyvarinen - IEEE transactions on Neural Networks, 1999 - ieeexplore.ieee.org
Independent component analysis (ICA) is a statistical method for transforming an observed
multidimensional random vector into components that are statistically as independent from …
multidimensional random vector into components that are statistically as independent from …
Independent component analysis: algorithms and applications
A Hyvärinen, E Oja - Neural networks, 2000 - Elsevier
A fundamental problem in neural network research, as well as in many other disciplines, is
finding a suitable representation of multivariate data, ie random vectors. For reasons of …
finding a suitable representation of multivariate data, ie random vectors. For reasons of …
General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI)–integrating aerosol research from nano to global …
In this paper we describe and summarize the main achievements of the European Aerosol
Cloud Climate and Air Quality Interactions project (EUCAARI). EUCAARI started on 1 January …
Cloud Climate and Air Quality Interactions project (EUCAARI). EUCAARI started on 1 January …
Indoor fungi: companions and contaminants
A Nevalainen, M Täubel, A Hyvärinen - Indoor air, 2015 - Wiley Online Library
This review discusses the role of fungi and fungal products in indoor environments, especially
as agents of human exposure. Fungi are present everywhere, and knowledge for indoor …
as agents of human exposure. Fungi are present everywhere, and knowledge for indoor …
[BOOK][B] Independent component analysis
A Hyvärinen, J Hurri, PO Hoyer, A Hyvärinen, J Hurri… - 2009 - Springer
In this chapter, we discuss a statistical generative model called independent component
analysis. It is basically a proper probabilistic formulation of the ideas underpinning sparse …
analysis. It is basically a proper probabilistic formulation of the ideas underpinning sparse …
[PDF][PDF] Estimation of non-normalized statistical models by score matching.
A Hyvärinen, P Dayan - Journal of Machine Learning Research, 2005 - jmlr.org
One often wants to estimate statistical models where the probability density function is
known only up to a multiplicative normalization constant. Typically, one then has to resort to …
known only up to a multiplicative normalization constant. Typically, one then has to resort to …
[PDF][PDF] Probabilistic non-linear principal component analysis with Gaussian process latent variable models.
N Lawrence, A Hyvärinen - Journal of machine learning research, 2005 - jmlr.org
Summarising a high dimensional data set with a low dimensional embedding is a standard
approach for exploring its structure. In this paper we provide an overview of some existing …
approach for exploring its structure. In this paper we provide an overview of some existing …
Validating the independent components of neuroimaging time series via clustering and visualization
Recently, independent component analysis (ICA) has been widely used in the analysis of
brain imaging data. An important problem with most ICA algorithms is, however, that they are …
brain imaging data. An important problem with most ICA algorithms is, however, that they are …
[PDF][PDF] Noise-contrastive estimation of unnormalized statistical models, with applications to natural image statistics.
MU Gutmann, A Hyvärinen - Journal of machine learning research, 2012 - jmlr.org
We consider the task of estimating, from observed data, a probabilistic model that is parameterized
by a finite number of parameters. In particular, we are considering the situation where …
by a finite number of parameters. In particular, we are considering the situation where …