Lassi Roininen
Lassi Roininen
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Whittle-Matérn priors for Bayesian statistical inversion with applications in electrical impedance tomography
L Roininen, JMJ Huttunen, S Lasanen
Inverse Problems & Imaging 8 (2), 561, 2014
KAIRA: The Kilpisjärvi atmospheric imaging receiver array—System overview and first results
D McKay-Bukowski, J Vierinen, II Virtanen, R Fallows, M Postila, T Ulich, ...
IEEE Transactions on Geoscience and Remote Sensing 53 (3), 1440-1451, 2014
Parameterizations for ensemble Kalman inversion
NK Chada, MA Iglesias, L Roininen, AM Stuart
Inverse Problems 34 (5), 055009, 2018
Hyperpriors for Mat\'ern fields with applications in Bayesian inversion
L Roininen, M Girolami, S Lasanen, M Markkanen
arXiv preprint arXiv:1612.02989, 2016
Beacon satellite receiver for ionospheric tomography
J Vierinen, J Norberg, MS Lehtinen, O Amm, L Roininen, A Vüününen, ...
Radio Science 49 (12), 1141-1152, 2014
Correlation priors
L Roininen, MS Lehtinen, S Lasanen, M Orispää, M Markkanen
Inverse Problems & Imaging 5 (1), 167, 2011
Time‐varying ionosonde trend: Case study of Sodankylä hmF2 data 1957–2014
L Roininen, M Laine, T Ulich
Journal of Geophysical Research: Space Physics 120 (8), 6851-6859, 2015
Cauchy difference priors for edge-preserving Bayesian inversion
M Markkanen, L Roininen, JMJ Huttunen, S Lasanen
Journal of Inverse and Ill-posed Problems 27 (2), 225-240, 2019
Ionospheric tomography in Bayesian framework with Gaussian Markov random field priors
J Norberg, L Roininen, J Vierinen, O Amm, D McKay-Bukowski, ...
Radio Science 50 (2), 138-152, 2015
Ionospheric electron density profiles inverted from a spectral riometer measurement
A Kero, J Vierinen, D McKay‐Bukowski, CF Enell, M Sinor, L Roininen, ...
Geophysical Research Letters 41 (15), 5370-5375, 2014
Posterior inference for sparse hierarchical non-stationary models
K Monterrubio-Gómez, L Roininen, S Wade, T Damoulas, M Girolami
Computational Statistics & Data Analysis, 106954, 2020
Constructing continuous stationary covariances as limits of the second-order stochastic difference equations
L Roininen, P Piiroinen, M Lehtinen
Inverse problems and imaging, 2013
Statistical inversion with Green’s priors
S Lasanen, L Roininen
Proceedings of the 5th International Conference on Inverse Problems in …, 2005
Broadband meter‐wavelength observations of ionospheric scintillation
RA Fallows, WA Coles, D McKay‐Bukowski, J Vierinen, II Virtanen, ...
Journal of Geophysical Research: Space Physics 119 (12), 10,544-10,560, 2014
Plasma parameter estimation from multistatic, multibeam incoherent scatter data
II Virtanen, D McKay‐Bukowski, J Vierinen, A Aikio, R Fallows, L Roininen
Journal of Geophysical Research: Space Physics 119 (12), 10,528-10,543, 2014
Sparse approximations of fractional Matérn fields
L Roininen, S Lasanen, M Orispää, S Särkkä
Scandinavian Journal of Statistics 45 (1), 194-216, 2018
Validation of NeQuick TEC data ingestion technique against C/NOFS and EISCAT electron density measurements
M Nigussie, SM Radicella, B Damtie, E Yizengaw, B Nava, L Roininen
Radio Science 51 (7), 905-917, 2016
Bayesian statistical ionospheric tomography improved by incorporating ionosonde measurements
J Norberg, II Virtanen, L Roininen, J Vierinen, M Orispää, K Kauristie, ...
Copernicus GmbH, 2016
Time varying ionosonde trend: Case study of Sodankyla Observatory hmF2
L Roininen, T Ulich, M Laine, N Rey, HI Rouset
Abstr. 8th IAGA, 40, 2014
Gaussian markov random field priors in ionospheric 3-D multi-instrument tomography
J Norberg, J Vierinen, L Roininen, M Orispää, K Kauristie, WC Rideout, ...
IEEE Transactions on Geoscience and Remote Sensing 56 (12), 7009-7021, 2018
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