Joni Virta

According to our database, Joni Virta authored at least 17 papers between 2017 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2024

Structure-Preserving Non-Linear PCA for Matrices.

Joni Virta, Andreas Artemiou

IEEE Trans. Signal Process., 2024

Latent model extreme value index estimation.

Joni Virta, Niko Lietzén, Lauri Viitasaari, Pauliina Ilmonen

J. Multivar. Anal., 2024

Asymptotic Utility of Spectral Anonymization.

Katariina Perkonoja, Joni Virta

Proceedings of the Privacy in Statistical Databases - International Conference, 2024

2023

Poisson PCA for matrix count data.

Joni Virta, Andreas Artemiou

Pattern Recognit., June, 2023

Methods for generating and evaluating synthetic longitudinal patient data: a systematic review.

Katariina Perkonoja, Kari Auranen, Joni Virta

CoRR, 2023

2021

Dimension Reduction for Time Series in a Blind Source Separation Context Using R.

Klaus Nordhausen, Markus Matilainen, Jari Miettinen, Joni Virta, Sara Taskinen

J. Stat. Softw., 2021

Dimension Estimation in Two-Dimensional PCA.

Una Radojicic, Niko Lictzén, Klaus Nordhausen, Joni Virta

Proceedings of the 12th International Symposium on Image and Signal Processing and Analysis, 2021

2020

Independent component analysis for multivariate functional data.

Joni Virta, Bing Li, Klaus Nordhausen, Hannu Oja

J. Multivar. Anal., 2020

2019

An overview of properties and extensions of FOBI.

Klaus Nordhausen, Joni Virta

Knowl. Based Syst., 2019

2018

Ladle Estimator For Time Series Signal Dimension.

Klaus Nordhausen, Joni Virta

Proceedings of the 2018 IEEE Statistical Signal Processing Workshop, 2018

On the Number of Signals in Multivariate Time Series.

Markus Matilainen, Klaus Nordhausen, Joni Virta

Proceedings of the Latent Variable Analysis and Signal Separation, 2018

2017

Asymptotic and Bootstrap Tests for the Dimension of the Non-Gaussian Subspace.

Klaus Nordhausen, Hannu Oja, David E. Tyler, Joni Virta

IEEE Signal Process. Lett., 2017

Blind source separation of tensor-valued time series.

Joni Virta, Klaus Nordhausen

Signal Process., 2017

The squared symmetric FastICA estimator.

Jari Miettinen, Klaus Nordhausen, Hannu Oja, Sara Taskinen, Joni Virta

Signal Process., 2017

Independent component analysis for tensor-valued data.

Joni Virta, Bing Li, Klaus Nordhausen, Hannu Oja

J. Multivar. Anal., 2017

Blind source separation for nonstationary tensor-valued time series.

Joni Virta, Klaus Nordhausen

Proceedings of the 27th IEEE International Workshop on Machine Learning for Signal Processing, 2017

On the Optimal Non-linearities for Gaussian Mixtures in FastICA.

Joni Virta, Klaus Nordhausen

Proceedings of the Latent Variable Analysis and Signal Separation, 2017