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Journal articles 2019

Publication

P. Göransson, J. Cuenca, T. Lähivaara
Parameter estimation in modelling frequency response of coupled systems using a stepwise approach
Mechanical Systems and Signal Processing 126: 161-175, 2019.

Publication

J. P. Kaipio, T. Huttunen, T. Luostari, T.Lähivaara, P. B. Monk
A Bayesian approach to improving the Born approximation for inverse scattering with high-contrast materials
Inverse Problems 35 (8): 084001, 2019.

Publication

K. Kansanen, J. Vauhkonen, T. Lähivaara, A. Seppänen, M. Maltamo, L. Mehtätalo
Estimating forest stand density and structure using Bayesian individual tree detection, stochastic geometry, and distribution matching
ISPRS Journal of Photogrammetry and Remote Sensing 152: 66-78, 2019.

Publication

E. Koponen, J. Leskinen, T. Tarvainen, A. Pulkkinen
Acoustic pressure field estimation methods for synthetic schlieren tomography
The Journal of the Acoustical Society of America 145 (4): 2470-2479, 2019.

Publication

M. J. Kortelainen, T. M. Koivumäki, M. J. Vauhkonen, M. A. Hakulinen
Effect of respiratory motion on cardiac defect contrast in myocardial perfusion SPECT: a physical phantom study
Annals of Nuclear Medicine 33 (5): 305-316, 2019.

Publication

A. A. Leino, A. Pulkkinen, T. Tarvainen
ValoMC: a Monte Carlo software and MATLAB toolbox for simulating light transport in biological tissue
OSA Continuum 2 (3): 957-972, 2019.

Publication

T. Lähivaara, A. Malehmir, A. Pasanen, L. Kärkkäinen, J. M. J. Huttunen, J. S. Hesthaven
Estimation of groundwater storage from seismic data using deep learning
Geophysical Prospecting 67 (8): 2115-2126, 2019.

Publication

M. Niskanen, O. Dazel, J.-P. Groby, A. Duclos, T. Lähivaara
Characterising poroelastic materials in the ultrasonic range - A Bayesian approach
Journal of Sound and Vibration 456: 30-48, 2019.

Publication

M. Vauhkonen, A. Hänninen, J. Jauhiainen, O. Lehtikangas
Multimodal imaging of multiphase flows with electromagnetic flow tomography and electrical tomography
Measurement Science and Technology 30 (9): 094001, 2019.

Publication

P. Varvia, T. Lähivaara, M. Maltamo, P. Packalen, A. Seppänen
Gaussian Process Regression for Forest Attribute Estimation From Airborne Laser Scanning Data
IEEE Transactions on Geoscience and Remote Sensing 57 (6): 3361-3369, 2019.

Journal articles 2018

Publication

C. Brandt, A. Seppänen
Recovery from Errors Due to Domain Truncation in Magnetic Particle Imaging: Approximation Error Modeling Approach
Journal of Mathematical Imaging and Vision 60 (8): 11196-1208, 2018.

Publication

D. V. Gradov, G. Gonzalez, M. Vauhkonen, A. Laari, T. Koiranen
Experimental investigation of reagent feeding point location in a semi-batch precipitation process
Chemical Engineering Science, 190 (23): 361-369, 2018.

Publication

J. M. J. Huttunen, J. P. Kaipio, H. Haario
Approximation error approach in spatiotemporally chaotic models with application to Kuramoto–Sivashinsky equation
Computational Statistics & Data Analysis, 123: 13-31, 2018.

Publication

N. Hänninen, A. Pulkkinen, T. Tarvainen
Image reconstruction with reliability assessment in quantitative photoacoustic tomography
Journal of Imaging, 4 (12): 148, 2018.

Publication

J. Joutsensaari, M. Ozon, T. Nieminen, S. Mikkonen, T. Lähivaara, S. Decesari, M. C. Facchini, A. Laaksonen, K. E. J. Lehtinen
Identification of new particle formation events with deep learning
Atmospheric Chemistry and Physics, 18: 9597-9615, 2018.

Publication

M. Lehti-Polojärvi, O. Koskela, A. Seppänen, E. Figueiras, J. Hyttinen
Rotational electrical impedance tomography using electrodes with limited surface coverage provides window for multimodal sensing
Measurement Science and Technology, 29 (2): 025401, 2018.

Publication

D. Liu, Y. Zhao, A. K. Khambampati, A. Seppänen, J. Du
A parametric level set method for imaging multi-phase conductivity using electrical impedance tomography
IEEE Transactions on Computational Imaging, 4: 552 – 561, 2018.

Publication

T. Luostari, T. Lähivaara, P. Packalen, A. Seppänen
Bayesian approach to single-tree detection in airborne laser scanning - use of training data for prior and likelihood modeling
Journal of Physics: Conference Series, 1047: 012008, 2018.

Publication

T. Lähivaara, L. Kärkkäinen, J. M. J. Huttunen, J. S. Hesthaven
Deep convolutional neural networks for estimating porous material parameters with ultrasound tomography
The Journal of the Acoustical Society of America, 143 (2): 1148-1158, 2018.

Publication

K. Muhumuza, M. Jacobsen, T. Luostari, T. Lähivaara
Seismic monitoring of CO2 injection using a distorted Born T-matrix approach in acoustic approximation
Journal of Seismic Exploration, 27 (5): 403-431, 2018.

Publication

R. Nicholson, N. Petra, J.P. Kaipio
Estimation of the Robin coefficient field in a Poisson problem with uncertain conductivity field
Inverse Problems, 34 (11): 115005, 2018.

Publication

V. Pulkki, T. Lähivaara, I. Huhtakallio
Effects of flow gradients on directional radiation of human voice
The Journal of the Acoustical Society of America, 143 (2): 1173-1181, 2018.

Publication

R. Rashetnia, O. Khalaf Alla, G. Gonzalez-Berrios, A. Seppänen, M. Pour-Ghaz
Electrical Resistance Tomography Based Sensing Skin with Internal Electrodes for Crack Detection in Large Structures
Materials Evaluation, 76: 1405-1413, 2018.

Publication

P. Raumonen, T. Tarvainen
Segmentation of vessel structures from photoacoustic images with reliability assessment
Biomedical Optics Express, 9 (7): 2887-2904, 2018.

Publication

D. Smyl, M. Pour-Ghaz, A. Seppänen
Detection and reconstruction of complex structural cracking patterns with electrical imaging
NDT & E International, 99: 123-133, 2018.

Publication

J. Tick, A. Pulkkinen, F. Lucka, R. Ellwood, B. T. Cox, J. P. Kaipio, S. R. Arridge, T. Tarvainen
Three dimensional photoacoustic tomography in Bayesian framework
The Journal of the Acoustic Society of America, 144 (4): 2061-2071, 2018.

Publication

P. Varvia, M. Rautiainen, A. Seppänen
Bayesian estimation of seasonal course of canopy leaf area index from hyperspectral satellite data
Journal of Quantitative Spectroscopy and Radiative Transfer, 208: 19-28, 2018

Publication

A. Voss, N. Hänninen, M. Pour-Ghaz, M. Vauhkonen, A. Seppänen
Imaging of two-dimensional unsaturated moisture flows in uncracked and cracked cement-based materials using electrical capacitance tomography
Materials and Structures 51:68, 2018.

Journal articles 2017

Publication

M. Han, G. González, M. Vauhkonen, A. Laari, T. Koiranen
Local gas distribution and mass transfer characteristics in an annulus-rising airlift reactor with non-Newtonian fluid
Chemical Engineering Journal, 308: 929–939, 2017.

Publication

B. Gong, B. Schullcke, S. Krieger-Ziolek, M. Vauhkonen, G. Wolf, U. Mueller-Lisse, K. Moeller
EIT imaging regularization based on spectral graph wavelets
IEEE Transactions on Medical Imaging, 2017

Publication

G. González, V. Kolehmainen, A. Seppänen
Isotropic and anisotropic total variation regularization in electrical impedance tomography
Computers and Mathematics with Applications, 74 (3): 564-576, 2017

Publication

D. V. Gradov, G. González, M. Vauhkonen, A. Laari, T. Koiranen
Experimental and numerical study of multiphase mixing hydrodynamics in batch stirred tank applied to ammoniacal thiosulphate leaching of gold
Journal of Chemical Engineering & Process Technology, 8 (3), 2017

Publication

J. M. J. Huttunen, J. Räisänen, A. Nissinen, A. Lipponen, V. Kolehmainen
Cross-validation analysis of bias models in Bayesian multi-model projections of climate
Climate Dynamics, 48 (5-6): 1555-1570, 2017

Publication

M. J. Kortelainen, T. M. Koivumäki, M. J. Vauhkonen, M. K. Hedman, S. T. J. Kärkkäinen, J. N. Quintero,, M. A. Hakulinen
Respiratory Motion Compensation with Dual Gating Approach in Myocardial Perfusion SPECT: Effect on Left Ventricular Functional Parameters
Journal of Nuclear Cardiology, 2017

Publication

O. Lehtikangas, M. Vauhkonen
Correlated noise and prior models in electromagnetic flow tomography
Measurement Science and Technology, 28 (5): 054007, 2017

Publication

O. Lehtikangas, M. Vauhkonen
Optimal coil currents in electromagnetic flow tomography
IEEE Sensors Journal, 2017

Publication

D. Liu, V. Kolehmainen, A. Seppänen
Three dimensional simulation of electrical impedance tomography for imaging vocal folds within the human neck
Journal of Medical Imaging and Health Informatics, 7 (7): 1509-1516, 2017

Publication

M. Niskanen, J.-P. Groby, A. Duclos, O. Dazel, J. C. Le Roux, N. Poulain, T. Huttunen, T. Lähivaara
Deterministic and statistical characterization of rigid frame porous materials from impedance tube measurements
Journal of the Acoustical Society of America, 142 (4): 2407, 2017

Publication

O. Nykänen, A. Pulkkinen, T. Tarvainen
Quantitative photoacoustic tomography augmented with surface light measurements
Biomedical Optics Express, 8 (10): 4380-4395, 2017

Publication

A. Pulkkinen, J. J. Leskinen, A. Tiihonen
Ultrasound field characterization using synthetic schlieren tomography
Journal of the Acoustical Society of America, 141 (6): 4600-4609, 2017

Publication

R. Rashetnia, M. Hallaji, D. Smyl, A. Seppänen, M. Pour-Ghaz
Detection and localization of changes in two-dimensional temperature distributions by electrical resistance tomography
Smart Materials and Structures, 26 (11): 115021, 2017

Publication

J. Seppälä, A. Voutilainen, J. Heikkilä, M. Vauhkonen
Surface doses of flattening filter free beams with volumetric modulated arc therapy dose delivery for breast cancer
Physics and Imaging in Radiation Oncology, 2: 17-22, 2017

Publication

A. Seppänen, M. Hallaji, M. Pour-Ghaz
A functionally layered sensing skin for the detection of corrosive elements and cracking
Structural Health Monitoring, 16: 215–224, 2017

Publication

D. Smyl, R. Rashetnia, A. Seppänen, M. Pour-Ghaz
Can electrical Impedance Tomography be used for imaging unsaturated moisture flow in cement-based materials with discrete cracks?
Cement and Concrete Research, 91: 61-72, 2017.

Publication

M. Storath, C. Brandt, M. Hofmann, T. Knopp, J. Salamon, A. Weber, A. Weinmann
Edge preserving and noise reducing reconstruction for magnetic particle imaging
IEEE Transactions on Medical Imaging, 36: 74-85, 2017.

Publication

J. Tamminen, T. Tarvainen, S. Siltanen
The D-bar Method for Diffuse Optical Tomography: a computational study
Experimental Mathematics, 26 (2): 225-240, 2017

Publication

J.M. Toivanen, T. Tarvainen, J.M.J. Huttunen, T. Savolainen, A. Pulkkinen, H.R.B. Orlande, J.P. Kaipio, V. Kolehmainen
Thermal tomography utilizing truncated Fourier series approximation of the heat diffusion equation
International Journal of Heat and Mass Transfer, 108: 860–867, 2017.

Publication

P. Varvia, T. Lähivaara, M. Maltamo, P. Packalén, T. Tokola, A. Seppänen
Uncertainty quantification in ALS-based species-specific forest inventory
IEEE Transactions on Geoscience and Remote Sensing, 55: 1671 – 1681, 2017

Publication

P. Varvia, M. Rautiainen, A. Seppänen
Modeling uncertainties in estimation of canopy LAI from hyperspectral remote sensing data – A Bayesian approach
Journal of Quantitative Spectroscopy and Radiative Transfer, 191: 19-29, 2017

Publication

M. Vauhkonen, A. Hänninen, O. Lehtikangas
A measurement device for electromagnetic flow tomography
Measurement Science and Technology, 29 (1): 015401, 2017

Publication

N. F. D. Ward, T. Lähivaara, S. Eveson
A discontinuous Galerkin method for poroelastic wave propagation: The two-dimensional case
Journal of Computational Physics, 350: 690-727, 2017

Publication

V-.V Wettenhovi, V. Kolehmainen, Olli Gröhn, Joanna Huttunen, Mikko Kettunen, M. Vauhkonen
State estimation with structural priors in fMRI
Journal of Mathematical Imaging and Vision, 2017

Journal articles 2016

Publication

I. Ardekani, J.P. Kaipio, A. Nasiri, H. Sharifadeh, W. Abdulla
A statistical inverse problem approach to online secondary path modeling in active noise control
IEEE/ACM Transactions on Audio, Speech, and Language Processing, 24: 54-64, 2016.

Publication

G. del Muro González, J. Huttunen, V. Kolehmainen, A. Seppänen and M. Vauhkonen
Experimental evaluation of 3D electrical impedance tomography with total variation prior
Inverse Problems in Science & Engineering, 24(8): 1411-1431, 2016.

Publication

M. J. Ehrhardt, P. Markiewicz, M. Liljeroth, A. Barnes, V. Kolehmainen, J. S. Duncan, L. Pizarro, D. Atkinson, B. F. Hutton, S. Ourselin, K. Thielemans and S. R. Arridge
PET Reconstruction with an Anatomical MRI Prior using Parallel Level Sets
IEEE Transactions on Medical Imaging, 35(9): 2189.2199, 2016.

Publication

A. Hannukainen, N. Hyvönen, H. Majander and T. Tarvainen
Efficient inclusion of total variation type priors in quantitative photoacoustic tomography
SIAM Journal on Imaging Science, 9(3): 1132-1153, 2016.

Publication

J.M.J. Huttunen, M. J., Turunen, J.T.J., Honkanen, J. Töyräs and J.S. Jurvelin
Estimation of Systematic and Spatially Correlated Components of Random Signals from Repeated Measurements: Application to Contrast Enhanced Computer Tomography Measurements
SIAM Journal on Scientific Computing, 38(1): B77-B99, 2016.

Publication

J. M. J. Huttunen, J. Räisänen, A. Nissinen, A. Lipponen, V. Kolehmainen
Crossvalidation analysis of bias models in Bayesian multi-model projections of climate
Climate Dynamics, 2016

Publication

K. Kansanen, J. Vauhkonen, T. Lähivaara, L. Mehtätalo
Stand density estimators based on individual tree detection and stochastic geometry
Canadian Journal of Forest Research, 46: 1359-1366, 2016.

Publication

A. Koulouri, V. Rimpilainen, M. Brookes, J.P. Kaipio
Compensation of domain modelling errors in the inverse source problem of the Poisson equation: Application in electroencephalographic imaging
Applied numerical mathematics, 106: 24-36, 2016.

Publication

O. Lehtikangas, K. Karhunen and M. Vauhkonen
Reconstruction of velocity fields in electromagnetic flow tomography
Philosophical Transactions of the Royal Society A, 374: 20150334, 2016.

Publication

D. Liu, V. Kolehmainen, S. Siltanen, A-M Laukkanen and A. Seppänen
Non-linear difference imaging approach to three-dimensional electrical impedance tomography in the presence of geometric modelling errors
IEEE Transactions on Biomedical Engineering, 63(9): 1956--1965, 2016.

Publication

M. Mozumder, T. Tarvainen, S. R. Arridge, J. P. Kaipio, C. D’Andrea and V. Kolehmainen
Approximate marginalization of absorption and scattering in fluorescence diffuse optical tomography
Inverse Problems and Imaging, 10(1): 227-246, 2016.

Publication

A. Nissinen, J. P. Kaipio, M. Vauhkonen and V. Kolehmainen
Contrast enhancement in EIT imaging of the brain
Physiological Measurement, 37: 1-24, 2016.

Publication

K. Niinimäki, M. Lassas, K. Hämäläinen, A. Kallonen, V. Kolehmainen, E. Niemi, S. Siltanen
Multiresolution parameter choice for total variation regularized tomography
SIAM J. Imaging Science, 9 (3): 938-974, 2016.

Publication

A. Pulkkinen, B. T. Cox, S. R. Arridge, H. Goh, J. P. Kaipio and T. Tarvainen
Direct estimation of optical parameters from photoacoustic time series in quantitative photoacoustic tomography
IEEE Transactions on Medical Imaging, 35(11): 2497-2508, 2016.

Publication

D. Smyl, M. Hallaji, A. Seppänen and M. Pour-Ghaz
Three-dimensional electrical impedance tomography to monitor unsaturated moisture ingress in cement-based materials
Transport in Porous Media, 115: 101–124, 2016.

Publication

D. Smyl, M. Hallaji, A. Seppänen and M. Pour-Ghaz
Quantitative electrical imaging of three-dimensional moisture flow in cement-based materials
International Journal of Heat and Mass Transfer, 103: 1348–1358, 2016.

Publication

J. Tick, A. Pulkkinen, T. Tarvainen
Image reconstruction with uncertainty quantification in photoacoustic tomography
Journal of the Acoustic Society of America, 139(4):1951-1961, 2016.

Publication

A. Voss, M. Pour-Ghaz, M. Vauhkonen, A. Seppänen
Electrical capacitance tomography to monitor unsaturated moisture ingress in cement-based materials
Cement and Concrete Research, 89: 158-165, 2016.

Journal articles 2015

Publication

J.M. Bardsley, A. Seppänen, A. Solonen, H. Haario and J.P. Kaipio
Randomize-then-optimize for sampling and uncertainty quantification in electrical impedance tomography
SIAM Journal on Uncertainty Quantification, 3: 1136–1158, 2015.

Publication

D. Calvetti, P.J. Hadwin, J.M.J. Huttunen, D. Isaacson, J.P. Kaipio, D. McGivney, E. Somersalo, J. Volzer
Artificial boundary conditions and domain truncation in electrical impedance tomography. Part I: Theory and preliminary results
Inverse Problems and Imaging, 9: 749-766, 2015.

Publication

D. Calvetti, P.J. Hadwin, J.M.J. Huttunen, J.P. Kaipio, E. Somersalo
Artificial boundary conditions and domain truncation in electrical impedance tomography. Part 2: Numerical results
Inverse Problems and Imaging, 9: 767-789, 2015.

Publication

T. Cui, N. Ward, S. Eveson and T. Lähivaara
Pragmatic Approach to Calibrating Distributed Parameter Groundwater Models from Pumping Test Data Using Adaptive Delayed Acceptance MCMC
Journal of Hydrologic Engineering, 21: 06015011, 2015.

Publication

M. Hallaji, A. Seppänen and M. Pour-Ghaz
Electrical Resistance Tomography to Monitor Unsaturated Moisture Flow in Cementitious Materials
Cement and Concrete Research, 69: 10-18, 2015.

Publication

T. Koivumäki, J. Teuho, M. Teräs, M. Vauhkonen and M.A. Hakulinen
A novel respiratory gating method for oncological positron emission tomography based on bioimpedance approach
Annals of Nuclear Medicine, 29:351-358, 2015.

Publication

M.J. Kortelainen, T.M. Koivumäki, M.J. Vauhkonen and M.A. Hakulinen
Dependence of left ventricular functional parameters on image acquisition time in cardiac-gated myocardial perfusion SPECT
Journal of Nuclear Cardiology, 22(4):643-651, 2015.

Publication

O. Lehtikangas, T. Tarvainen, A.D. Kim and S.R. Arridge
Finite element approximation of the radiative transport equation in a medium with piece-wise constant refractive index
Journal of Computational Physics, 282:345 - 359, 2015.

Publication

T. Liimatainen, H. Hakkarainen, S. Mangia, J. M.J. Huttunen, C. Storino, D. Idiyatullin, D. Sorce, M. Garwood and S. Michaeli
MRI Contrasts in High Rank Rotating Frames
Magnetic Resonance in Medicine, 73: 254-262, 2015.

Publication

D. Liu, V. Kolehmainen, S. Siltanen, and A. Seppänen
A nonlinear approach to difference imaging in EIT; assessment of the robustness in the presence of modelling errors
Inverse Problems, 31(3): 035012, 2015.

Publication

D. Liu, V. Kolehmainen, S. Siltanen, A.-M. Laukkanen, and A. Seppänen
Estimation of conductivity changes in a region of interest with electrical impedance tomography
Inverse Problems and Imaging, 9(1): 211 - 229, 2015.

Publication

D. Liu, A.K. Khambampati, S. Kim and K.Y. Kim
Multi-phase flow monitoring with electrical impedance tomography using level set based method
Nuclear Engineering and Design, 289: 108 - 116, 2015.

Publication

T. Lähivaara, N.F. Dudley Ward, T. Huttunen, Z. Rawlinson, and J.P. Kaipio
Estimation of aquifer dimensions from passive seismic signals in the presence of material and source uncertainties
Geophysical Journal International, 200(3): 1662-1675, 2015.

Publication

M. Mozumder, T. Tarvainen, A. Seppänen, I. Nissilä, S. R. Arridge and V. Kolehmainen
A non-linear approach to difference imaging in diffuse optical tomography
Journal of Biomedical Optics, 20(10): 105001, 2015.

Publication

A. Pulkkinen, B.T. Cox, S.R. Arridge, J.P. Kaipio, and T. Tarvainen
Quantitative photoacoustic tomography using illuminations from a single direction
Journal of Biomedical Optics, 20(3): 036015, 2015.

Publication

V. Rimpilainen, J.P. Kaipio, N. Depree, B. Young, D.I. Wilson
Predicting Functional Properties of Milk Powder based on Manufacturing Data in an Industrial-Scale Powder Plant
Journal of Food Engineering, 153(3): 12-19, 2015.

Publication

D. Sbarbaro, M. Vauhkonen and T.A. Johansen
State estimation and inverse problems in electrical impedance tomography: observability, convergence and regularization
Inverse Problems, 31(3): 045004, 2015.

Publication

A. Sdayriaa, F. Ouledsaadb, J. Sghaierb, A. Nissinenc, M. Vauhkonenc and A. Elcafsia
In-Line Monitoring of Drying Kinetics of a Fixed Bed Using an Electrical Imaging Technique
Drying Technology: An International Journal, 33(8): 941-951, 2015.

Journal articles 2014

Publication

T. Cui, N. Dudley Ward, J. P. Kaipio
Characterization of parameters for a spatially heterogeneous aquifer from pumping test data
19(6): 1203-1213, 2014.

Publication

N. Dudley Ward, J. P. Kaipio
Uncertainty, decision and control: A survey
NZ J Hydrology, 53: 53-91, 2014.

Publication

M. Hallaji, A. Seppänen, M. Pour-Ghaz
Electrical impedance tomography-based sensing skin for quantitative imaging of damage in concrete
Smart Materials and Structures, 23: 085001, 2014.

Publication

J.M.J. Huttunen, H.T. Kokkonen, J.S. Jurvelin, J. Töyräs and J.P. Kaipio
Estimation of fixed charge density and diffusivity profiles in cartilage using contrast enhanced computer tomography
International Journal for Numerical Methods in Engineering, 98(5): 371-390, 2014.

Publication

N. Hyvönen, A. Seppänen, S. Staboulis
Optimizing electrode positions in electrical impedance tomography
SIAM Journal on Applied Mathematics, 74(6): 1831–1851, 2014.

Publication

K. Karhunen, A. Seppänen, J.P. Kaipio
Adaptive meshing approach to localization of cracks with Electrical impedance tomography
Inverse Problems and Imaging, 8: 127 – 148, 2014.

Publication

T. Koivumäki, S.G. Nekolla, S. Fürst, S. Loher, M. Vauhkonen, M. Schwaiger, M.A. Hakulinen.
An integrated bioimpedance-ECG gating technique for respiratory and cardiac motion compensation in cardiac PET
Phys. Med. Biol 59:6373-6385, 2014.

Publication

J. Koponen, T. Huttunen, T. Tarvainen, J.P. Kaipio.
Bayesian approximation error approach in full-wave ultrasound tomography
IEEE Trans Ultrason Ferroelectr Freq Control, 61: 1627-37, 2014.

Publication

T. Lähivaara, N. F. Dudley Ward, T. Huttunen, J. Koponen, and J. P. Kaipio.
Estimation of aquifer dimensions from passive seismic signals with approximate wave propagation models
Inverse problems. 30(1): 015003, 2014.

Publication

K.T. Laitinen, J. M. Miettinen, M. Vauhkonen and R. Lappalainen.
Development of novel electroplating tank layout by computer simulations and verification tests
Transactions of the IMF, 92(5): 238-244, 2014.

Publication

T. Lähivaara, A. Seppänen, J.P. Kaipio, J. Vauhkonen, L. Korhonen, T. Tokola, M. Maltamo
Bayesian Approach to Tree Detection Based on Airborne Laser Scanning Data
IEEE Transactions on Geoscience and Remote Sensing, 52: 2690 – 2699, doi: 10.1109/TGRS.2013.2264548, 2014.

Publication

T. Lähivaara, N. F. Dudley Ward, T. Huttunen, J. P. Kaipio, and K. Niinimäki
Estimating pipeline location using ground-penetrating radar data in the presence of model uncertainties
Inverse problems 30(11):114006, 2014.

Publication

M. Mozumder, T. Tarvainen, J. P. Kaipio, S. R. Arridge and V. Kolehmainen
Compensation of modeling errors due to unknown domain boundary in diffuse optical tomography
Journal of the Optical Society of America A 31(8):1847-1855, 2014.

Publication

A. Nissinen, A. Lehikoinen, M. Mononen, S. Lähteenmäki and M. Vauhkonen
Estimation of the bubble size and bubble loading in a flotation froth using electrical resistance tomography
Minerals Engineering 69:1-12, 2014.

Publication

A. Pulkkinen, B. T. Cox, S. R. Arridge, J. P. Kaipio, and T. Tarvainen
A Bayesian approach to spectral quantitative photoacoustic tomography
Inverse Problems 30 065012. doi:10.1088/0266-5611/30/6/065012, 2014.

Publication

A. Pulkkinen, V. Kolehmainen, J. P. Kaipio, B. T. Cox, S. R. Arridge and T. Tarvainen
Approximate marginalization of unknown scattering in quantitative photoacoustic tomography
Inverse Problems and Imaging 83: 811-829, 2014.

Publication

V. Radolf, A.-M. Laukkanen, J. Horáček, D. Liu
Air-pressure, vocal fold vibration and acoustic characteristics of phonation during vocal exercising. part 1: measurement in vivo
Engineering Mechanics, 21(1):53-59, 2014.

Publication

L. Roininen, J.M.J. Huttunen and S. Lasanen
Whittle-Mat'ern priors for Bayesian statistical inversion with applications in electrical impedance tomography
Inverse Problems and Imaging, 8(2):561 - 586, doi:10.3934/ipi.2014.8.561, 2014.

Publication

J.M. Toivanen, T. Tarvainen, J.M.J. Huttunen, T. Savolainen, H.R.B. Orlande, J.P. Kaipio and V. Kolehmainen
3D thermal tomography with experimental measurement data
International Journal of Heat and Mass Transfer, 78:1126-1134, 2014.

Journal articles 2013

Publication

M. Cristofol, P. Gaitan, K. Niinimäki & O. Poisson
Inverse problem for a coupled parabolic system with discontinuous conductivities: one-dimensional case
Inverse Problems and Imaging, 7(1): 159-182, 2013

Publication

J. Dardé, N. Hyvönen, A. Seppänen, S. Staboulis
Simultaneous recovery of admittivity and body shape in electrical impedance tomography: An experimental evaluation
Inverse Problems, 29: 085004, 2013.

Publication

J. Dardé, N. Hyvönen, A. Seppänen, S. Staboulis
Simultaneous reconstruction of outer boundary shape and admittivity distribution in electrical impedance tomography
SIAM Journal on Imaging Sciences, 6(1): 176–198, 2013.

Publication

K. Hämäläinen, A. Kallonen, V. Kolehmainen, M. Lassas, K. Niinimäki, S. Siltanen
Sparse tomography
SIAM Journal on Imaging Sciences, 35(3): B644-B665, 2013.

Publication

E. Kankare, D. Liu, A.-M. Laukkanen and A. Geneid
EGG and acoustic analyses from different voice samples compared with perceptual evaluation and Voice Activity and Participation Profile (VAPP)
Folia Phoniatrica et Logopaedica, 65:98-104, 2013.

Publication

V. Kolehmainen, M. Lassas, P. Ola and S. Siltanen
Recovering shape and conductivity in electrical impedance tomography
Inverse Problems and Imaging, 7:217-242, 2013

Publication

O. Lehtikangas, T. Tarvainen
Hybrid forward-peaked-scattering-diffusion approximations for light propagation in turbid media with low-scattering regions,
Journal of Quantitative Spectroscopy and Radiative Transfer, 116: 132-144, 2013.

Publication

A. Lipponen, A. Seppänen, J.P. Kaipio
Electrical impedance tomography imaging with reduced-order model based on proper orthogonal decomposition
Journal of Electronic Imaging, 22: 023008, 2013.

Publication

A. Lipponen, V. Kolehmainen, S. Romakkaniemi, and H. Kokkola
Correction of approximation errors with Random Forests applied to modelling of cloud droplet formation
Geosci. Model Dev., 6(6): 2087-2098, 2013.

Publication

T. Luostari, T. Huttunen and P. Monk
Improvements for the Ultra Weak Variational Formulation
International Journal for Numerical Methods in Engineering, 94(6): 598-624, 2013.

Publication

T. Luostari, T. Huttunen and P. Monk.
Error estimates for the ultra weak variational formulation in linear elasticity
ESAIM: Mathematical Modelling and Numerical Analysis. 47(1): 183-211, 2013.

Publication

M. Mozumder, T. Tarvainen, S. R. Arridge, J. P. Kaipio and V. Kolehmainen
Compensation of optode sensitivity and position errors in diffuse optical tomography using the approximation error approach
Biomedical Optics Express, 4(10):2015-2031, 2013.

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A. Nissinen, D. Sbarbaro, L.M. Heikkinen and M. Vauhkonen
Reduced forward models in electrical impedance tomography with probe geometry
Inverse Problems in Science and Engineering, 22(8):1259-1284, 2013.

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A. Pulkkinen and T. Tarvainen
Truncated Fourier-series approximation of the time-domain radiative transfer equation using finite elements
Journal of Optical Society of America A, 30(3):470-478, 2013.

Publication

T. Saratoon, T. Tarvainen, B. T. Cox and S. R. Arridge
A gradient-based method for quantitative photoacoustic tomography using the radative transfer equation
Inverse Problems, 29: 075006, 2013.

Publication

T. Tarvainen, A. Pulkkinen, B. Cox, J. Kaipio and S Arridge
Bayesian Image Reconstruction in Quantitative Photoacoustic Tomography
IEEE Transactions on Medical Imaging, 32(12):2287-2298, 2013.

Journal articles 2012

Publication

M. Gehre, T. Kluth, A. Lipponen, B. Jin, A. Seppänen,J.P. Kaipio, P. Maass
Sparsity reconstruction in electrical impedance tomography: An experimental evaluation
J Comput Appl Math, 236: 2126-2136, 2012

Publication

J. Heiskala, V. Kolehmainen, T. Tarvainen, J.P. Kaipio and S. R. Arridge.
Approximation error method can reduce artifacts due to scalp blood flow in optical brain activation imaging
Journal of Biomedical Optics, 17:096012, 2012.

Publication

J.M.J. Huttunen, P.B. Stark.
Cheap contouring of costly functions: the Pilot Approximation Trajectory algorithm
Computational Science & Discovery, 5: 015006, 2012.

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T. Koivumäki, M. Vauhkonen, J. T. Kuikka and M. A. Hakulinen
Bioimpedance-based measurement method for simultaneous acquisition of respiratory and cardiac gating signals
Physiol. Meas. 33:1323-1334, 2012.

Publication

V. Kolehmainen, M. Lassas, K. Niinimäki, S. Siltanen.
Sparsity-promoting Bayesian inversion
Inverse Problems, 28: 025005, 2012.

Publication

O. Lehtikangas, T. Tarvainen, A. D. Kim
Modeling boundary measurements of scattered light using the corrected diffusion approximation
Biomed. Opt. Express 3: 552-571, 2012.

Publication

M. Linnala, E. Madetoja, H. Ruotsalainen, J. Hämäläinen
Bi-level optimization for a dynamic multiobjective problem
Enginaaring Optimization, 44(2): 195-207, 2012.

Publication

T. Luostari, T. Huttunen and P. Monk
The ultra weak variational formulation using Bessel basis functions
Commun. Comput. Phys., 11: 400-414, 2012.

Publication

T. Tarvainen, B.T. Cox, J. P. Kaipio, S. R. Arridge
Reconstructing absorption and scattering distributions in quantitative photoacoustic tomography
Inverse Problems 28(8): 084009, 2012.

Publication

J. M. Toivanen, V. Kolehmainen, T. Tarvainen, H.R.B Orlande and J. P. Kaipio
Simultaneous estimation of spatially distributed thermal conductivity, heat capacity and surface heat transfer coefficient in thermal tomography
International Journal of Heat and Mass transfer, 55:7958-7968, 2012.

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V. Rimpiläinen, L.M. Heikkinen, M. Vauhkonen
Moisture distribution and hydrodynamics of wet granules during fluidized-bed drying characterized with volumetric electrical capacitance tomography
Chem. Eng. Sci., 75:220-234, 2012.

Journal articles 2011

Publication

T. Correia, J. Aguirre, A. Sisniega, J. Chamorro-Servent, J. Abascal, J.J. Vaquero, M. Desco, V. Kolehmainen and S.R. Arridge
Split operator method for fluorescence diffuse optical tomography using anisotropic diffusion regularisation with prior anatomical information
Biomedical Optics Express, 2(9):2632-2648, 2011

Publication

G. Gabard, P. Gamallo and T. Huttunen
A comparison of wave-based discontinuous Galerkin, ultra-weak and least-square methods for wave problems
Int. J. Numer. Meth. Engng, 85:380–402, 2011

Publication

J. P. Kaipio, C. Fox
The Bayesian framework for inverse problems in heat transfer
Heat Transfer Eng, 32:718–753, 2011

Publication

V. Kolehmainen, T. Tarvainen, S. R. Arridge and J. P. Kaipio.
Marginalization of uninteresting distributed parameters in inverse problems – Application to diffuse optical tomography.
International Journal for Uncertainty Quantification, 1:1-17, 2011.

Publication

A. Lipponen, A. Seppänen and J. P. Kaipio
Nonstationary approximation error approach to imaging of three-dimensional pipe flow: experimental evaluation
Meas. Sci. Technol. 22: 104013, 2011

Publication

P.S. Mohan, T. Tarvainen, M. Schweiger, A. Pulkkinen, S.R. Arridge
Variable order spherical harmonics expansion scheme for the radiative transport equation using finite elements
Journal of computational Physics, 230(19): 7364–7383, 2011.

Publication

A. Nissinen, V. Kolehmainen and J. P. Kaipio.
Compensation of modelling errors due to unknown domain boundary in electrical impedance tomography.
IEEE Transactions on Medical Imaging, 30: 231-242, 2011

Publication

A. Nissinen, V. Kolehmainen and J. P. Kaipio.
Reconstruction of domain boundary and conductivity in electrical impedance tomography using the approximation error approach.
International Journal for Uncertainty Quantification, 1: 203-222, 2011

Publication

K. Oravisjärvi, M. Pietikäinen, J. Ruuskanen, A. Rautio, A. Voutilainen and R.L. Keiski
Effects of physical activity on the deposition of traffic-related particles into human lungs in silico
Science of the Total Environment, 409(21): 4511–4518, 2011.

Publication

J. Reunanen, M. Mononen, M. Vauhkonen, A. Lehikoinen and Jari P. Kaip
Machine learning approach for locating phase interfaces using conductivity probes
Inverse Problems in Science and Engineering, 19(6): 879-902, 2011

Publication

V. Rimpiläinen, S. Poutiainen, L.M. Heikkinen, T. Savolainen, M. Vauhkonen, J. Ketolainen
Electrical capacitance tomography as a monitoring tool for high-shear mixing and granulation
Chemical Engineering Science, 66(18): 4090–4100, 2011

Publication

S.-P. Simonaho
Ultrasound transmission measurements for tensile strength evaluation of tablets
International Journal of Pharmaceutics 409: 104–110, 2011.

Publication

S.-P. Simonaho, T. Lähivaara, T. Huttunen
Modeling of acoustic wave propagation in time-domain using the discontinuous Galerkin method – A comparison with measurements
Applied Acoustics, 73(2):173-183, 2011.

Publication

T. Tarvainen, V. Kolehmainen, S.R. Arridge, and J.P. Kaipio
Image reconstruction in diffuse optical tomography using the coupled radiative transport – diffusion model
J Quant Spectrosc Radiat Transf, 112(16): 2600–2608, 2011.

Publication

O-P Tossavainen, J. Percelay, M. Stacey, J.P. Kaipio, A. Bayen
State estimation and modeling error approach for 2D shallow water equations and Lagrangian measurements
Water Resources Res, 47(10): W10510, 2011.

Publication

A. Voutilainen, A. Lehikoinen, M. Vauhkonen, J. P. Kaipio
A reduced-order filtering approach for 3D dynamical electrical impedance tomography
Measurement of Science and Technology, 2(2): 025504, 2011.

Publication

A. Voutilainen, A. Lipponen, A. Lehikoinen, M. Vauhkonen, J.P. Kaipio
Fast adaptive three-dimensional nonstationary electrical impedance tomography based on reduced-order modeling
IEEE Transactions on Instrumentation and Measurement, 61(10): 2665 - 2681, 2011.

Journal articles 2010

Publication

J. M. J. Huttunen, A Lehikoinen, J Hämäläinen and J P Kaipio
Importance sampling approach for the nonstationary approximation error method
Inverse Problems, 26: 125003, 2010.

Publication

N. Hyvönen, K. Karhunen and A. Seppänen
Fréchet derivative with respect to the shape of an internal electrode in electrical impedance tomography
SIAM Journal on Applied Mathematics, 70(6): 1878–1898, 2010.

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K. Karhunen, A. Seppänen, A. Lehikoinen, P.J.M. Monteiro, J.P. Kaipio.
Electrical resistance tomography imaging of concrete
Cement and Concrete Research 40: 137-145, 2010.

Publication

K. Karhunen, A. Seppanen, A. Lehikoinen, J. Blunt, J. P. Kaipio, and P. J. M. Monteiro.
Electrical Resistance Tomography for Assessment of Cracks in Concrete
ACI Materials Journal 107(5):523-531, 2010.

Publication

V. Kolehmainen, M. Lassas ja P. Ola.
Calderon's inverse problem with an imperfectly known boundary and reconstruction up to a conformal deformation
SIAM Journal on Mathematical Analysis 42(3): 1371-1381, 2010.

Publication

O. Lehtikangas, T. Tarvainen, V. Kolehmainen, A. Pulkkinen S.R. Arridge, J.P. Kaipio
Finite element approximation of the Fokker–Planck equation for diffuse optical tomography
Journal of Quantitative Spectroscopy & Radiative Transfer, 111: 1406–1417, 2010.

Publication

J.T.T. Leskinen, S.-P. Simonaho, M. Hakulinen, J. Ketolainen
In-line ultrasound measurement system for detecting tablet integrity
International Journal of Pharmaceutics, 400: 104–113, 2010.

Publication

A. Lipponen, A. Seppänen, J. Hämäläinen, J.P. Kaipio
Nonstationary inversion of convection-diffusion problems - recovery from unknown nonstationary velocity fields
Inverse Problems and Imaging 4(3): 463-483, 2010.

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A. Lipponen, A. Seppänen, J.P. Kaipio
Reduced-order estimation of nonstationary flows with electrical impedance tomography
Inverse Problems 26: 074010, 2010.

Publication

T. Lähivaara, T. Huttunen
A non-uniform basis order for the discontinuous Galerkin method of the 3D dissipative wave equation with perfectly matched layer
Journal of Computational Physics 229(13): 5144-5160, 2010.

Publication

T. Lähivaara, T. Huttunen
A non-uniform basis order for the discontinuous Galerkin method of the acoustic and elastic wave equations
Applied numerical mathematics, 61(4): 473–486, 2010.

Publication

T. Tarvainen, V. Kolehmainen, A. Pulkkinen, M. Vauhkonen, M. Schweiger, S.R. Arridge, J.P. Kaipio.
An approximation error approach for compensating for modelling errors between the radiative transfer equation and the diffusion approximation in diffuse optical tomography
Inverse Problems 26: 015005, 2010.

Publication

T. Tarvainen, V. Kolehmainen, J.P. Kaipio, S.R. Arridge.
Corrections to linear methods for diffuse optical tomography using approximation error modelling
Biomedical Optics Express 1(1): 209-222, 2010.

Publication

A. Voutilainen, A. Lehikoinen, M. Vauhkonen, J.P. Kaipio.
Three-dimensional nonstationary electrical impedance tomography with a single electrode layer
Measurement Science and Technology, 21: 035107, 2010.