Kolehmainen V, Lassas M, Ola P and Siltanen S,
Recovering boundary shape and conductivity in electrical impedance tomography.
PDF (1.9 MB)
Lassas M, Mueller J L, Siltanen S and Stahel A,
The Novikov-Veselov Equation and the Inverse Scattering Method, Part I: Analysis.
PDF (274 KB)
Lassas M, Mueller J L, Siltanen S and Stahel A,
The Novikov-Veselov Equation and the Inverse Scattering Method, Part II: Computation.
PDF (20.8 MB)
Sampo J, Takalo J, Siltanen S, Lassas M, Miettinen A and Timonen J,
Curvelet-based method for orientation estimation of particles.
PDF (1.1 MB)
Ikehata M, Niemi E and Siltanen S,
Inverse obstacle scattering with limited-aperture data.
To appear in Inverse Problems and Imaging. PDF (414 KB)
Siltanen S and Tamminen J P,
Reconstructing conductivities with boundary corrected D-bar method.
To appear in Journal of Inverse and Ill-posed Problems. PDF (572 KB)
Kolehmainen V, Lassas M, Niinimaki K and Siltanen S 2012,
Sparsity-promoting Bayesian inversion.
Inverse Problems 28, 02005. PDF (668 KB)
2011
Astala K, Mueller J L, Paivarinta L, Peramaki A and Siltanen S 2011,
Direct electrical impedance tomography for nonsmooth conductivities.
Inverse Problems and Imaging 5(3), pp. 531-549. PDF (284 KB)
Krupchyk K, Lassas M and Siltanen S 2011,
Determining electrical and heat transfer parameters using coupled boundary measurements.
SIAM Journal on Mathematical Analysis 43(5), pp. 2096-2115.
PDF (176 KB)
Nakamura G, Ronkanen P, Siltanen S and Tanuma K 2011,
Recovering conductivity at the boundary in three-dimensional electrical impedance tomography.
Inverse Problems and Imaging 5(2), pp. 485-510. PDF (700 KB)
Seppanen A, Nissinen A, Kolehmainen V, Siltanen S and Laukkanen A-M 2011,
Electrical impedance tomography imaging of larynx.
Models and analysis of vocal emissions for biomedical applications,
7th International Workshop, August 25-27, 2011, Firenze, Italy. PDF (18.2 MB)
Takalo J, Timonen J, Sampo J, Siltanen S and Lassas M 2011,
Determination of the areal material distribution of paper from its optical transmission image.
European Physical Journal - Applied Physics 55, 20701 PDF (56.5 MB)
2010
Astala K, Mueller J L, Paivarinta L and Siltanen S 2010,
Numerical computation of complex geometrical optics solutions to the conductivity equation.
Applied and Computational Harmonic Analysis 29, pp. 2-17. PDF (240 KB)
Helin T, Lassas M and Siltanen S 2010,
Infinite Photography: new mathematical model for high-resolution images.
Journal of Mathematical Imaging and Vision 36(2), pp. 140-158. PDF (1.1 MB)
Hyvonen N, Kalke M, Lassas M, Setala H and Siltanen S 2010,
Three-dimensional X-ray imaging using hybrid data collected with a digital panoramic device.
Inverse Problems and Imaging 4(2), pp. 257-271. PDF (724 KB)
Ide T, Isozaki H, Nakata S and Siltanen S 2010,
Local detection of three-dimensional inclusions in electrical impedance tomography.
Inverse Problems 26 035001. PDF (500 KB)
2009
Knudsen K, Lassas M, Mueller J L and Siltanen S 2009,
Regularized D-bar method for the inverse conductivity problem.
Inverse Problems and Imaging 3(4), pp. 599-624.
PDF (408 KB)
Lassas M, Saksman E and Siltanen S 2009,
Discretization invariant Bayesian inversion and Besov space priors.
Inverse Problems and Imaging 3(1), pp. 87-122. PDF (383 KB)
Vanska S, Lassas M and Siltanen S 2009,
Statistical X-ray tomography using empirical Besov priors.
International Journal of Tomography & Statistics 11, pp. 3-32. PDF (357 KB)
Kolehmainen V, Niinimaki K and Siltanen S 2009,
Bayesian Wavelet Based Multiresolution Method for Local Tomography,
The 10th European Congress of Stereology and Image Analysis, Milan, Italy, June 2009.
2008
Bingham K, Kurylev Y, Lassas M and Siltanen S 2008,
Iterative Time-Reversal Control for Inverse Problems.
Inverse Problems and Imaging 2(1), pp. 63-81. PDF (211 KB)
Knudsen K, Lassas M, Mueller J L and Siltanen S 2008,
Reconstructions of Piecewise Constant Conductivities by the D-bar Method for Electrical Impedance Tomography.
Proceedings of the 4th AIP International Conference and the 1st Congress of the IPIA, Vancouver, 2007.
Journal of Physics: Conference Series 124. PDF (241 KB)
Kolehmainen V, Lassas M and Siltanen S 2008,
Limited data X-ray tomography using nonlinear evolution equations.
SIAM Journal of Scientific Computation 30(3), pp. 1413–1429. PDF (642 KB)
2007
Ide T, Isozaki H, Nakata S, Siltanen S and Uhlmann G 2007,
Probing for electrical inclusions with complex spherical waves.
Communications on Pure and Applied Mathematics 60(10), pp. 1415-1442. PDF (351 KB)
Lassas M, Mueller J L and Siltanen S 2007,
Mapping properties of the nonlinear Fourier transform in dimension two.
Communications in Partial Differential Equations 32(4), pp. 591-610. PDF (215 KB)
Author Posting. (c) Taylor & Francis, 2007.
This is the author's version of the work. It is posted here by permission of Taylor & Francis for personal use, not for redistribution.
The definitive version is available as http://dx.doi.org/10.1080/03605300500530412.
Knudsen K, Lassas M, Mueller J L and Siltanen S 2007,
D-bar method for electrical impedance tomography with discontinuous conductivities.
SIAM Journal of Applied Mathematics 67(3), pp. 893-913. PDF (327 KB)
Kolehmainen V, Vanne A, Siltanen S, Jarvenpaa S, Kaipio J P, Lassas M and Kalke M 2007,
Bayesian Inversion Method for 3-D Dental X-ray Imaging.
Elektrotechnik & Informationstechnik 124(7-8), pp. 248–253. PDF (179 KB).
Niinimaki K, Siltanen S and Kolehmainen V 2007,
Bayesian multiresolution method for local tomography in dental X-ray imaging.
Physics in Medicine and Biology 52, pp. 6663-6678. PDF (1 MB)
Niinimaki K, Siltanen S and Kolehmainen V 2007,
Multiresolution local tomography in dental radiology using wavelets,
29th International Conference of the IEEE Engineering in Medicine and Biology Society, Lyon, France, August 2007.
Zhong D, Siltanen S, Tanskanen J M A and Hyttinen J 2007,
Using MEAs for On-line EIT Measurement,
Proceeding of 13th International Conference on Electrical Bioimpedance (ICEBI07), Graz, Austria, August 2007
2006
Cornean H, Knudsen K and Siltanen S 2006,
Towards a d-bar reconstruction method for three-dimensional EIT.
Journal of Inverse and Ill-Posed Problems 14(2), pp. 111-134.
PDF (231 KB)
Isaacson D, Mueller J L, Newell J and Siltanen S 2006,
Imaging Cardiac Activity by the D-bar Method for Electrical Impedance Tomography.
Physiological Measurement 27, pp. S43-S50. PDF (1.4 MB).
Kolehmainen V, Vanne A, Siltanen S, Jarvenpaa S, Kaipio J P, Lassas M and Kalke M 2006,
Parallelized Bayesian inversion for three-dimensional dental X-ray imaging,
IEEE Transactions on Medical Imaging 25(2), pp. 218-228. PDF (416 KB).
Rantala M, Vanska S, Jarvenpaa S, Kalke M, Lassas M, Moberg J and Siltanen S 2006,
Wavelet-based reconstruction for limited angle X-ray tomography,
IEEE Transactions on Medical Imaging 25(2), pp. 210-217. PDF (368 KB).
2005
Nakamura G, Siltanen S, Tanuma K and Wang S 2005,
Numerical recovery of conductivity at the boundary from the localized Dirichlet to Neumann map,
Computing 75(2-3), pp. 197-213. PDF (400 KB).
2004
Ikehata M and Siltanen S 2004,
Electrical impedance tomography and Mittag-Leffler's function,
Inverse Problems 20, pp. 1325-1348. PDF (476 KB)
Ikehata M and Siltanen S 2004,
Numerical solution of the Cauchy problem for the stationary Schrödinger equation using Faddeev's Green function,
SIAM Journal of Applied Mathematics 64(6), pp. 1907-1932. PDF (670 KB)
Isaacson D, Mueller J L, Newell J and Siltanen S 2004,
Reconstructions of chest phantoms by the d-bar method for electrical impedance tomography,
IEEE Transactions on Medical Imaging 23(7), pp. 821- 828. PDF (664 KB)
Knudsen K, Mueller J L and Siltanen S 2004,
Numerical solution method for the dbar-equation in the plane,
Journal of Computational Physics 198(2), pp. 500-517. PDF (311 KB)
Lassas M and Siltanen S 2004,
Can one use total variation prior for edge-preserving Bayesian inversion?
Inverse Problems 20, pp. 1537-1563. PDF (352 KB)
Isaacson D, Mueller J L, Newell J and Siltanen S 2005,
D-Bar Images of Cardiac Activity,
6th Conference on Biomedical Applications of Electrical Impedance Tomography, University College London, UK, June 22-24, 2005.
2003
Kolehmainen V, Siltanen S, Jarvenpaa S, Kaipio J P, Koistinen P, Lassas M, Pirttila J and Somersalo E 2003,
Statistical inversion for medical X-ray tomography with few radiographs II: Application to dental radiology,
Physics in Medicine and Biology 48, pp. 1465-1490. PDF (1.2 MB)
Mueller J L and Siltanen S 2003,
Direct reconstructions of conductivities from boundary measurements,
SIAM Journal of Scientific Computation 24(4), pp. 1232-1266. PDF (617 KB)
Nykanen K and Siltanen S 2003,
X-ray scattering in full-field digital mammography,
Medical Physics 30(7), pp. 1864-1873;
Also appeared in Virtual Journal of Biological Physics Research, July 1, 2003. PDF (244 KB)
Siltanen S, Kolehmainen V, Jarvenpaa S, Kaipio J P, Koistinen P, Lassas M, Pirttila J and Somersalo E 2003,
Statistical inversion for medical X-ray tomography with few radiographs I: General theory,
Physics in Medicine and Biology 48, pp. 1437-1463. PDF (407 KB)
Nykanen K and Siltanen S 2003,
Advantages of gridless full-field digital mammography
,
Proc. SPIE Int. Soc. Opt. Eng. 5030, 137
Lehtimaki M, Pamilo M, Raulisto L, Roiha M, Kalke M, Siltanen S and Ihamaki T 2003,
Diagnostic Clinical Benefits of Digital Spot and Digital 3D Mammography Following Analysis of Screening Findings,
Medical Imaging 2003: Visualization, Image-Guided Procedures, and Display,
Robert L. Galloway. Jr., Editor, Proceedings of SPIE 5029, 698-706.
2002
Lassas M, Mataich M, Siltanen S and Somersalo E 2002,
Wind velocity observation with a CW Doppler radar,
IEEE Transactions on Geoscience and Remote Sensing 40(11), pp. 2427-2437.
Mueller J L, Siltanen S and Isaacson D 2002,
A direct reconstruction algorithm for electrical impedance tomography,
IEEE Transactions on Medical Imaging 21(6), pp. 555-559. PDF (1.2 MB)
2001
Siltanen S, Mueller J L and Isaacson D 2001,
Reconstruction of High Contrast 2-D Conductivities by the Algorithm of A. Nachman,
Contemporary Mathematics 278, pp. 241-254. PDF 1.2 MB
Siltanen S, Mueller J L and Isaacson D 2001,
Erratum: An implementation of the reconstruction algorithm of A. Nachman for the 2-D inverse conductivity problem,
Inverse problems 17, pp. 1561-1563. PDF (2.6 MB)
2000
Ikehata M and Siltanen S 2000,
Numerical method for finding the convex hull of an inclusion in conductivity from boundary measurements,
Inverse Problems 16, pp. 1043-1052. PDF 259 KB
Siltanen S, Mueller J L and Isaacson D 2000,
An implementation of the reconstruction algorithm of A. Nachman for the 2-D inverse conductivity problem,
Inverse Problems 16, pp. 681-699. PDF 845 KB
1999
Siltanen S 1999,
Electrical Impedance Tomography and Faddeev's Green functions,
Ann. Acad. Sci. Fenn. Mathematica Dissertationes 121. PostScript (6.9 MB)
Kaipio J, Siltanen S, Kalke M, Kolehmainen V and Lassas M 2007,
Method and arrangement for three-dimensional medical X-ray imaging,
United States patent 7274766.
Kalke M, Siltanen S, Vanska S, Lassas M and Rantala M 2007,
Method and arrangement for multiresolutive reconstruction for medical X-ray imaging,
United States patent 7215730.
Siltanen S 2007,
Method and arrangement for enhanced detection of breast cancer,
Finnish patent 117744.
Kaipio J L, Kolehmainen V, Lassas M, Siltanen S and Somersalo E 2006,
Method and arrangement for three-dimensional medical X-ray imaging,
United States patent 7269241, filed on August 27, 2003, issued on September 11, 2007.
Finnish patent 116750.
Isaacson D, Mueller J L and Siltanen S (guest editors)
Special issue on electrical impedance tomography of Physiological Measurement (volume 24, 2003)
Siltanen S 2006:
Electrical impedance tomography: medical imaging meets inverse quantum scattering
CSC News 2/2006 pp. 26-28. Electronic article
Lassas M, Mueller J L and Siltanen S 2005,
Inverse Schrödinger scattering in R2 for conductivity-type potentials,
Helsinki University of Technology Institute of Mathematics Research Reports A488.
Lassas M, Lehtinen R, Saramaki J and Siltanen S (eds.) 1997:
Who needs mathematics? (In Finnish)
A booklet printed for all Finnish school children on 9th grade.
Siltanen S and von Pfaler J 1994
Symbolic manipulation of differential systems with AXIOM computer algebra system,
Helsinki University of Technology Institute of Mathematics Research Reports A343.