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.
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.
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.
K. Hämäläinen, A. Kallonen, V. Kolehmainen, M. Lassas, K. Niinimäki, S. Siltanen Sparse tomography]
SIAM Journal on Imaging Sciences, 35(3): B644-B665, 2013.
J. Viinikka, H. Debar, L. Me, A. Lehikoinen, M. Tarvainen
Processing intrusion detection alert aggregates with time series modelling.
Information Fusion 10(4):312-324, 2009.
A. Lehikoinen, S. Finsterle, A. Voutilainen, M.B. Kowalsky, J.. Kaipio
Dynamical inversion of geophysical ERT data: State estimation in the vadose zone.
Inverse Problems in Science and Engineering 17(6):715-736, 2009.
A. Seppänen, A. Voutilainen, J.P. Kaipio
State estimation in process tomography – reconstruction of velocity fields using EIT.
Inverse Problems, 25(8):085009 (24pp), 2009
T. Huttunen, P. Gamallo, R. J. Astley
Comparison of two wave element methods for the Helmholtz problem.
Communications in Numerical Methods in Engineering 25(1):35-52, 2009
J. Kourunen, T. Savolainen, A. Lehikoinen, M. Vauhkonen, L. M. Heikkinen
Suitability of a PXI platform for an electrical impedance tomography system.
Measurement Science and Technology 20(1):015503 (11pp), 2009
J.M.J. Huttunen, J.P. Kaipio
Model reduction in state identification problems with an application to determination of thermal parameters.
Applied Numerical Mathematics 59(5):877-890, 2009
A. Nissinen, L. Heikkinen, V. Kolehmainen, J.P. Kaipio
Compensation of errors due to discretization, domain truncation and unknown contact impedances in EIT.
Measurement Science and Technology 20(10):105504(13pp), 2009
V. Kolehmainen, M. Schweiger, I. Nissilä, T. Tarvainen, S.R. Arridge, J.P. Kaipio
Approximation errors and model reduction in three-dimensional diffuse optical tomography.
J. Opt. Soc. Am. A 26(10):2257-2268, 2009
A. Zacharopoulos, M. Schweiger, V. Kolehmainen and S. R. Arridge
3D shape based reconstruction of experimental data in diffuse optical tomography.
Optics Express, 17(21):18940-18956, 2009
V. Rimpiläinen, L.M. Heikkinen, M. Kuosmanen, A. Lehikoinen, A. Voutilainen, M. Vauhkonen, J. Ketolainen
An electrical impedance tomography-based approach to monitor in vitro sodium chloride dissolution from pharmaceutical tablets.
Review of Scientific Instruments, 80:103706, 2009.
M. Pietikäinen, K. Oravisjärvi, A. Rautio, A. Voutilainen, J. Ruuskanen, R.L. Keiski
Exposure assessment of particulates of diesel and natural gas fuelled buses in silico.
Science of the Total Environment 408:163-168, 2009
A. Voutilainen, J. P. Kaipio
Model reduction and pollution source identification from remote sensing data.
Inverse Problems and Imaging 3: 711 – 730, 2009.
C.A.A. Mota, H.R.B. Orlande, O.J.M. Wellele, V. Kolehmainen, J. Kaipio
Inverse problem of simultaneous identification of thermophysical properties and boundary heat flux.
High Temperatures – High Pressures, 38:171-185, 2009
2008
V. Kolehmainen, M. Lassas, P. Ola
Electrical impedance tomography problem with inaccurately known boundary and contact impedances.
IEEE Transactions on Medical Imaging 27(10):1404-1414, 2008
T. Lähivaara, M. Malinen, J.P. Kaipio, T. Huttunen,
Computational aspects of the discontinuous Galerkin method for the wave equation.
Journal of Computational Acoustics 16(4):507-530, 2008.
T. Huttunen, J.P. Kaipio, P. Monk,
An ultra-weak method for acoustic fluid-solid interaction.
Journal of Computational and Applied Mathematics, 213(1):166-185, 2008
A. Laaksonen, M. Kulmala, T. Berndt, F. Stratmann, S. Mikkonen, A. Ruuskanen, K.E.J. Lehtinen, M. Dal Maso, P. Aalto, T. Petäjä, I. Riipinen, S.-L. Sihto, R. Janson, F. Arnold, M. Hanke, J. Ücker B. Umann, K. Sellegri, C.D. O’Dowd, Y. Viisanen,
SO2 oxidation products other than H2SO4 as a trigger of new particle formation. Part 2: Comparison of ambient and laboratory measurements, and atmospheric implications.
Atmospheric Chemistry and Physics 8:7255-7264, 2008
V. Kolehmainen, J.P. Kaipio, H.R.B. Orlande,
Reconstruction of thermal conductivity and heat capacity using a tomographic approach.
International Journal of Heat and Mass Transfer 51(7-8):1866-1876, 2008
A. Seppänen, M. Vauhkonen, P.J. Vauhkonen, A. Voutilainen, J.P. Kaipio,
State estimation in process tomography – Three-dimensional impedance imaging of moving fluids.
International Journal for Numerical Methods in Engineering 73(11):1651-1670, 2008
A. Nissinen, L.M. Heikkinen, J.P. Kaipio,
The Bayesian approximation error approach for electrical impedance tomography – experimental results.
Measurement Science and Technology 19(1):015501 (9pp), 2008
T. Tarvainen, M. Vauhkonen, V. Kolehmainen, J.P. Kaipio, S.R. Arridge,
Utilizing the radiative transfer equation in optical tomography.
PIERS Online 4(6):655-660, 2008
T. Tarvainen, M. Vauhkonen, S.R. Arridge,
Gauss-Newton reconstruction method for optical tomography using the finite element solution of the radiative transfer equation.
Journal of Quantitative Spectroscopy & Radiative Transfer 109(17-18):2767-2778, 2008
Kourunen J, Käyhkö R, Matula J, Käyhkö J, Vauhkonen M, Heikkinen LM.
Imaging of mixing of two miscible liquids using electrical impedance tomography and linear impedance sensor.
Flow Meas Instrum 2008:19:391-396.
Kolehmainen V, Lassas M, Siltanen S.
Limited data x-ray tomography using nonlinear evolution equations.
SIAM J Sci Comput 2008:30(3):1413-1429.
2007
J.P. Kaipio, A. Seppänen, A. Voutilainen, H. Haario
Optimal current patterns in dynamical EIT imaging
Inverse Problems, 23:1201-1214, 2007.
J. Kaipio, E. Somersalo
Statistical inverse problems: Discretization, model reduction and inverse crimes.
Journal of Computational and Applied Mathematics, 198(2):493-504, 2007.
O.-P. Tossavainen, M. Vauhkonen, V. Kolehmainen
A three-dimensional shape estimation approach for tracking of phase interfaces in sedimentation processes using electrical impedance tomgraphy
Measurement Science and Technology, 18:1413-1424, 2007
J.M.J. Huttunen and J.P. Kaipio
Approximation errors in nonstationary inverse problems
Inverse Problems and Imaging, 1:77-93, 2007
J.M.J. Huttunen and H.K. Pikkarainen
Discretization error in dynamical inverse problems: one-dimensional model case
Journal of Inverse and Ill-posed problems, 15:365-386, 2007
J.M.J. Huttunen and J.P. Kaipio
“Approximation error analysis in nonlinear state estimation with an application to state-space identification”
Inverse Problems, 23:2141-2157, 2007
A. Voutilainen, T. Pyhälahti, K. Y. Kallio, J. Pulliainen, H. Haario, J.P. Kaipio
A Filtering Approach for Estimating Lake Water Quality from Remote Sensing Data
International Journal of Applied Earth Observation and Geoinformation, 9:50-64, 2007.
A. Seppänen, L. Heikkinen, T. Savolainen, A. Voutilainen, E. Somersalo and J.P. Kaipio
An experimental evaluation of state estimation with fluid dynamical models in process tomography
Chemical Engineering Journal, 127:23-30, 2007
A. Lehikoinen, S. Finsterle, A. Voutilainen, L.M. Heikkinen, M. Vauhkonen and J.P. Kaipio
Approximation Errors and Truncation of Computational Domains with Application to Geophysical Tomography
Inverse Problems and Imaging, 1:371-389, 2007
Brandt SS, Kolehmainen V.
Structure-from-motion without correspondence from tomographic projections by Bayesian inversion theory.
IEEE Trans Med Imag 2007:26(2):238-248.
Kervella M, Tarvainen T, Humeau A, L´Huillier J-P.
Efficiency of hybrid methods to model light propagation in biological tissues.
WSEAS Trans Signal Process 2007:1(3):9-16.
Kolehmainen V, Lassas M, Ola P.
The inverse conductivity problem with an imperfectly known boundary in three dimensions.
SIAM J Appl Math 2007:67(5):1440-1452.
Kolehmainen V, Vanne A, Siltanen S, Järvenpää S, Kaipio JP, Lassas M, Kalke M.
Bayesian inversion method for 3D dental X-ray imaging.
Elektrotechnik und Informationstechnik 2007:127(7-8):248-253.
Niinimäki K, Siltanen S, Kolehmainen V.
Bayesian multiresolution method for local tomography in dental x-ray imaging.
Phys Med Biol 2007(52):6663-6678.
Huttunen T, Malinen M, Monk P.
Solving Maxwell´s equations using the ultra weak variational formulation.
J Comput Phys 2007:223:731-758.
Huttunen T, Monk P.
The use of plane waves to approximate wave propagation in anisotropic media.
J Comput Math 2007:25(3):350-367.
Huttunen T, Seppälä E T, Kirkeby O, Kärkkäinen A, Kärkkäinen L.
Simulation of the transfer function for a head-and-torso model over the entire audible frequency range.
Journal of Computational Acoustics 2007 15(4):429-448
2000-2006
S.R. Arridge, O. Dorn, J.P. Kaipio, V. Kolehmainen, M. Schweiger, T. Tarvainen, M. Vauhkonen, A. Zacharopoulos
Reconstruction of subdomain boundaries of piecewise constant coefficients of the radiative transfer equation from optical tomography data
Inverse Problems, 22:2175-2196, 2006.
O.-P. Tossavainen, M. Vauhkonen, V. Kolehmainen, K.Y. Kim
Tracking of moving interfaces in sedimentation processes using electrical impedance tomography
Chemical Engineering Science, 61:7717-7729, 2006. DOI
O.-P. Tossavainen, V. Kolehmainen, M. Vauhkonen
Free-surface and admittivity estimation in electrical impedance tomography
Int J Numer Meth Engng, 66:1991-2013, 2006. DOI
A.R. Ruuskanen, A. Seppänen, J.P. Kaipio
Optimal actuator placement for controlling concentration profile via process tomography
Inverse Problems in Science and Engineering, 14(8):819-836, 2006.
L.M Heikkinen, J. Kourunen, T. Savolainen, P.J. Vauhkonen, J.P. Kaipio M. Vauhkonen
Real time three-dimensional electrical impedance tomography applied to multiphase flow imaging
Measurement science and technology, in press, 2006.
S.R. Arridge, J.P. Kaipio, V. Kolehmainen, M. Schweiger, E. Somersalo, T. Tarvainen, M. Vauhkonen
Approximation errors and model reduction with an application in optical diffusion tomography
Inverse Problems, 22:175-195, 2006.
T. Tarvainen, M. Vauhkonen, V. Kolehmainen, J.P. Kaipio
Finite element model for the coupled radiative transfer equation and diffusion approximation
Int J Numer Meth Engng, 65(3):383-405, 2006.
A.R. Ruuskanen, A. Seppänen, S. Duncan, E. Somersalo, J.P. Kaipio
Using process tomography as a sensor for optimal control
Applied Numerical Mathematics, 56(1):37-54, 2006.
M. Malinen, S.R. Duncan, T. Huttunen, and J.P. Kaipio :
“Feedforward and feedback control of ultrasound surgery”
Applied Numerical Mathematics, 56:55-79, 2006
J.M.J. Huttunen, T.Huttunen, M. Malinen and J.P. Kaipio
“Determination of heterogeneous thermal parameters using ultrasound induced heating and MR thermal mapping”
Physics in Medicine and Biology, 51:1011-1032, 2006
Calvetti D, Kaipio JP, Someralo E.
Aristotelian prior boundary conditions.
INTERNATIONAL JOURNAL OF MATHEMATICS AND COMPUTER SCIENCE. 2006.
Kolehmainen V, Vanne A, Siltanen S, Järvenpää S, Kaipio JP, Lassas M, Kalke M.
Parallelized Bayesian inversion for three-dimensional dental x-ray imaging.
IEEE TRANSACTIONS ON MEDICAL IMAGING. 2006.
M. Malinen, T. Huttunen, J.P. Kaipio and K. Hynynen :
“Scanning path optimization for ultrasound surgery”
Physics in Medicine and Biology, 50:3473-3490, 2005
T. Tarvainen, M. Vauhkonen, V. Kolehmainen, S.R. Arridge, J.P. Kaipio
Coupled radiative transfer equation and diffusion approximation model for photon migration in turbid medium with low-scattering and non-scattering regions
Phys Med Biol, 50:4913-4930, 2005.
I. Nissilä, T. Noponen, K. Kotilahti, T. Tarvainen, M. Schweiger, L. Lipiäinen, S. Arridge, T. Katila
Instrumentation and calibration methods for the multichannel measurement of phase and amplitude in optical tomography
Rev Sci Instrum, 76(4):044302, 2005.
T. Tarvainen, V. Kolehmainen, M. Vauhkonen, A. Vanne, A.P. Gibson, M. Schweiger, S.R. Arridge, J.P. Kaipio
Computational calibration method for optical tomography
Applied Optics, 44(10):1879-1888, 2005.
L.M. Heikkinen, R.M. West, M. Vauhkonen
Utilizing prior information in the estimation of volume fraction distribution
International Journal of Numerical Methods in Engineering, 64:1719-1740, 2005.
T. Tarvainen, M. Vauhkonen, V. Kolehmainen, J.P. Kaipio
Hybrid radiative-transfer-diffusion model for optical tomography
Applied Optics, 44(6):876-886, 2005.
T. Huttunen, M. Malinen, J. P. Kaipio, P.J. White and K. Hynynen
“A full-wave Helmholtz model for continuous-wave ultrasound transmission”
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, In Press, 2005
J. Heino, E. Somersalo and J. P. Kaipio
Compensation for geometric mismodelling by anisotropies in optical tomography
Opt. Express, 13:296-308, 2005
A. Voutilainen, J.P. Kaipio
Sequential Monte Carlo estimation of aerosol size distributions
Computational Statistics & Data Analysis, 48:887-908, 2005.
Tossavainen O.-P., Vauhkonen M., Heikkinen L.M., Savolainen T.
Estimating shapes and free surfaces with electrical impedance tomography
Meas Sci Technol, 15:1402-1411, 2004. http://stacks.iop.org/MST/15/1402
T. Huttunen, J. P. Kaipio and P. Monk :
“The perfectly matched layer for the ultra weak variational formulation of the 3D Helmholtz equation”
International Journal for Numerical Methods in Engineering, 61:1072-1092,2004
T. Huttunen, P. Monk, F. Collino and J. P. Kaipio :
“The ultra-weak variational formulation for elastic wave problems”
SIAM Journal on Scientific Computing, 25(5):1717 – 1742, 2004
J. P. Kaipio, A. Seppänen, E. Somersalo and H. Haario
Posterior covariance related optimal current patterns in electrical impedance tomography
Inverse Problems, 20:919-936, 2004
A. Voutilainen, J.P. Kaipio, J. Pekkanen, K.L. Timonen, J. Ruuskanen
Theoretical analysis of the influence of aerosol size distribution and physical activity on particle deposition pattern in human lungs
Scandinavian Journal of Work, Environment & Health, 30(Suppl.2):73-79, 2004.
M. Malinen, T. Huttunen, K. Hynynen and J.P. Kaipio
Simulation study for thermal dose optimization in ultrasound surgery of the breast
Medical Physics 31:1296-1307, 2004.
T. Huttunen, J. P. Kaipio and K. Hynynen :
“Modeling of anomalies due to hydrophones in continuous-wave ultrasound fields”
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 50(11):1486-1500, 2003
E. Somersalo, A. Voutilainen, J.P. Kaipio
Non-stationary magnetoencephalography by Bayesian filtering of dipole models
Inverse Problems, 19:1047-1063, 2003.
M. Malinen, T. Huttunen and J.P. Kaipio
Thermal dose optimization method for ultrasound surgery
Physics in Medicine and Biology, 48:745-762, 2003.
M. Malinen, T. Huttunen and J.P. Kaipio
An optimal control approach for ultrasound induced heating
International Journal of Control 76:1323-1336, 2003.
T. Huttunen, P. Monk and J. P. Kaipio :
” Computational aspects of the ultra-weak variational formulation”
Journal of Computational Physics 182: 27-46, 2002.
J. P. Kaipio and E. Somersalo
“Estimating anomalies from indirect observations” (PDF)
Journal of Computational Physics 181:397-397, 2002
A. Voutilainen, J.P. Kaipio
Estimation of time-varying aerosol size distributions – exploitation of modal aerosol dynamical models.
Journal of Aerosol Science, 33:1181-1200, 2002.
T. Vilhunen, J.P. Kaipio, P.J. Vauhkonen, T. Savolainen, M. Vauhkonen
Simultaneous reconstruction of electrode contact impedances and internal electrical properties, Part I: Theory
Meas Sci Technol, 13:1848-1854, 2002.
T. Vilhunen, L.M. Heikkinen, T. Savolainen, P.J. Vauhkonen, R. Lappalainen, J.P. Kaipio, M. Vauhkonen
Detection of faults in resistive coatings with an impedance-tomography-related approach
Meas Sci Technol, 13: 865-872, 2002.
A. Voutilainen, V. Kolehmainen, J.P. Kaipio
Statistical inversion of aerosol size measurement data
Inverse Problems in Engineering, 9:67-94, 2001.
A. Voutilainen, J.P. Kaipio
Estimation of non-stationary aerosol size distributions using a state-space approach
Journal of Aerosol Science, 32:631-648, 2001.
A. Voutilainen, J.P. Kaipio
A non-homogeneous regularization method fo the estimation of narrow aerosol size distribution
Journal of Aerosol Science, 32:1433-1445, 2000.
