Niko Lietzen - UTU Research Portal

Niko Lietzen

niko.lietzen@utu.fi

Order Determination for Tensor-Valued Observations Using Data Augmentation (2025)
- Journal of Computational and Graphical Statistics
Radojičić, Una; Lietzén, Niko; Nordhausen, Klaus; Virta, Joni
Latent model extreme value index estimation (2024)
- Journal of Multivariate Analysis
Virta Joni, Lietzén Niko, Viitasaari Lauri, Ilmonen Pauliina
Note on asymptotic behavior of spatial sign autocovariance matrices (2023)
- Statistics and Probability Letters
Voutilainen Marko, Ilmonen Pauliina, Viitasaari Lauri, Lietzén Niko
Robust signal dimension estimation via SURE (2023)
- Statistical Papers
Virta Joni, Lietzén Niko, Nyberg Henri
Dimension Estimation in Two-Dimensional PCA (2021)
- International Symposium on Image and Signal Processing and Analysis
Proceedings of the 12th International Symposium on Image and Signal Processing and Analysis Radojičić Una, Lietzén Niko, Nordhausen Klaus, Virta Joni
Modeling temporally uncorrelated components of complex-valued stationary processes (2021)
- Modern Stochastics: Theory and Applications
Lietzén Niko, Viitasaari Lauri, Ilmonen Pauliina
Modeling temporally uncorrelated components for complex-valued stationary processes (2020)
- arXiv.org
Lietzén Niko, Viitasaari Lauri, Ilmonen Pauliina