J.-F. Aubry, O. Bates, C. Boehm, K. B. Pauly, D. Christensen, C. Cueto, P. Gélat, L. Guasch, J. Jaros, Y. Jing, R. Jones, N. Li, P. Marty, H. Montanaro, E. Neufeld, S. Pichardo, G. Pinton, A. Pulkkinen, A. Stanziola, A. Thielscher, B. Treeby, E. van ‘t Wout Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models Journal of the Acoustical Society of America, 152 (2): 1003-1019, 2022.
H. Taskinen, A. Väisänen, L. Hatakka, T. H. Virtanen, T. Lähivaara, A. Arola, V. Kolehmainen, A. Lipponen High-Resolution Post-Process Corrected Satellite AOD Geophysical Research Letters 49 (18): e2022GL099733, 2022.
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.
