Scientific presentations of Samuli Siltanen

Research homepage of Samuli Siltanen

2017

Invited talk: Electrical impedance tomography imaging via the Radon transform,
MFO Workshop Computational Inverse Problems for Partial Differential Equations,
Mathematisches Forschungsinstitut Oberwolfach, Germany, May 17, 2017. PDF (5.3 MB)

Invited talk: Electrical impedance tomography imaging via the Radon transform,
Geometry and Analysis Seminar, Aalto University, Helsinki, Finland, April 19, 2017. PDF (8 MB)

Invited talk: Sparse-data tomographic imaging in practice,
Conference 100 Years of the Radon Transform, minisymposium Applications of the Radon Transform,
Johann Radon Institute for Computational and Applied Mathematics (RICAM), Linz, Austria, March 30, 2017. PDF (19 MB)

Invited talk: Sparse X-ray tomography for medical imaging,
Seminar talk at University of Bologna, Italy, March 9, 2017. PDF (26 MB)

Invited talk: Sparse X-ray tomography,
RISM workshop on Mathematical Methods for Digital Image Analysis and Processing,
Villa Toeplitz, Varese, Italy, March 6, 2017. PDF (24 MB)

Invited talk: Sparse X-ray tomography for medical imaging,
Cambridge-Heriot Watt interdisciplinary data science workshop on mathematical imaging with partially unknown models,
Jesus College, Cambridge, United Kingdom, February 20, 2017. PDF (23 MB)

The Hidden Math of Selfies (in Finnish),
Educa conference, Helsinki, Finland, January 28, 2017. PDF (43 MB)

2016

Detecting inclusions within inclusions in electrical impedance tomography,
22nd Inverse Days, Kuopio, Finland, December 13, 2016. PDF (7 MB)

Invited talk: Electrical impedance tomography imaging via the Radon transform,
Mathematics Seminar,
University College London, United Kingdom, November 25, 2016. PDF (10 MB)

Invited talk: Reconstruction methods for sparse-data tomography,
Joint ACA-cmih seminar,
University of Cambridge, United Kingdom, November 21, 2016. PDF (23 MB)

Invited talk: Mathematics and Photography,
DIAPHANES symposium Blind Spot,
Exhibition Laboratory, Academy of Fine Arts, Helsinki, Finland, October 21, 2016. PDF (35 MB)

Invited talk: Stephen Hawking and the Mathematics of Machine Speech (in Finnish),
Studia Generalia,
University of Helsinki, Finland, October 20, 2016.

Invited talk: Synthesizing speech by solving an inverse problem,
Institute of Physics Finland Chapter - Audio Processing Seminar,
Tampere University of Technology, Finland, October 3, 2016. PDF (15 MB)

Invited talk: Detecting inclusions within inclusions in electrical impedance tomography,
MFO Workshop Theory and Numerics of Inverse Scattering Problems,
Mathematisches Forschungsinstitut Oberwolfach, Germany, September 21, 2016. PDF (10 MB)

Mathematics and photography: new business opportunities (in Finnish)
Annual stakeholder seminar at Finnish Patent and Registration Office
Helsinki, Finland, August 24, 2016. PDF (2MB)

Creative workshop on the mathematics of photography,
Bridges Finland 2016 Public Day
University of Jyväskylä, Finland, August 12, 2016. PDF (20 MB)
Matlab resources: FD_Laplace.m, MyUS.m, Poisson_FD_solve.m
Sample images: Photobomb.jpg, Smurf.jpg

Invited talk: Tomographic imaging of moving objects: a space-time approach,
SIAM Conference on Imaging Science
Minisymposium Imaging in the fast lane: in pursuit of dynamical information
Albuquerque, New Mexico, USA, May 25, 2016. PDF (179 MB)

Total variation regularized X-ray tomography with a multiresolution parameter choice method,
SIAM Conference on Imaging Science
Minisymposium Limited-data tomography
Albuquerque, New Mexico, USA, May 24, 2016. PDF (12 MB)

Invited talk: Dynamic Sparse X-ray Tomography,
HD tomo days
Technical University of Denmark (DTU), Lyngby, Denmark, April 8, 2016. PDF (216 MB)

Plenary talk: Dynamic Sparse X-ray Tomography,
Discrete tomography and applications
Politecnico di Milano, Italy, March 22, 2016. PDF (197 MB)

Invited talk: Dynamic X-ray Tomography,
The Mathematics of Life: conference on the occasion of the 60th birthday of Mats Gyllenberg
University of Helsinki, Finland, March 10, 2016.

Invited talk: Sparse-data and Dynamic X-ray Tomography,
Medical Physics Seminar,
Oulu University Hospital, Finland, February 29, 2016.

Minicourse Computational solution of nonlinear inverse problems,
Universidad Autónoma de Madrid, Spain, February 24-26, 2016.
Part 1: Motivation PDF (40 MB)
Part 2: Complex geometric optics solutions for the Schrödinger equation PDF (7 MB)
Part 3: Complex geometric optics solutions for the Beltrami equation PDF (9,6 MB)
Part 4: Glottal Inverse Filtering PDF (110 MB)

Invited talk: Nonlinear mathematics of electrical impedance imaging,
Workshop on Analysis in Kagurazaka 2016,
Tokyo University of Science, Japan, January 22, 2016. PDF (22 MB)

Invited talk: Blind deconvolution for human speech signals,
Workshop on Analysis in Kagurazaka 2016,
Tokyo University of Science, Japan, January 22, 2016. PDF (105 MB)

Minicourse: Inverse problems: theory, applications, and computational solution,
Graduate Programme Student Seminar,
Tokyo University of Science, Japan, January 21, 2016. PDF (140 MB)

Invited talk: Blind deconvolution for human speech signals,
Inverse Problems Seminar,
The University of Tokyo, Japan, January 18, 2016.

2015

Invited talk: A multiresolution parameter choice method for TV,
IFIP TC 7.4 Workshop on Inverse Problems and Imaging,
Akademie Wolfsburg, Mülheim a.d. Ruhr, Germany, December 15, 2015. PDF (118 MB)

Parameter choice method for total variation regularization,
21th Inverse Days of the Finnish Inverse Problems Society
Lappeenranta, Finland, December 10, 2015. PDF (16 MB)

Invited talk: Mathematics as a high-tech R&D tool: the cases of X-ray imaging and glottal inversion,
Vaisala Corp. R&D seminar, Finland, December 3, 2015.

Invited talk: Total variation regularized X-ray tomography with a multiresolution parameter choice method,
Inverse Problems seminar,
Technical University of Denmark (DTU), Lyngby, Denmark, October 8, 2015. PDF (154 MB)

Invited talk: Multiresolution parameter choice method for total variation regularization,
Recent Developments in Inverse Problems,
Weierstrass Institute for Applied Analysis and Stochastics (WIAS), Berlin, Germany, September 17, 2015. PDF (36 MB)

Plenary talk: Mathematics of low-dose and sparse X-ray tomography,
South-East Asian Mathematical Society Meeting (SEAMS-UMG)
Universitas Gadjah Mada, Yogyakarta, Indonesia, August 20, 2015. PDF (130 MB)

Invited talk: Dynamic X-ray tomography with level set regularization,
International Congress of Industrial and Applied Mathematics (ICIAM)
Minisymposium Computational Inverse Problems
Beijing, China, August 14, 2015. PDF (90 MB)

Invited talk: Inverse scattering methods for electrical impedance tomography and the Novikov-Veselov equation,
International Congress of Industrial and Applied Mathematics (ICIAM)
Minisymposium Inverse problems in PDE and probability
Beijing, China, August 11, 2015. PDF (17 MB)

Invited talk: Edge-preserving regularization for electrical impedance tomography,
International Congress of Industrial and Applied Mathematics (ICIAM)
Minisymposium Regularization of Inverse Problems in Imaging Sciences: Theoretical and Numerical Aspects
Beijing, China, August 11, 2015. PDF (34 MB)

Invited talk: X-ray tomography of moving objects using level sets,
Inverse Problems Seminar, DTU Compute, Denmark, June 16, 2015.

Invited talk: Four-dimensional X-ray tomography for moving objects,
Applied Inverse Problems Conference, Minisymposium Inverse Problems in Optics
University of Helsinki, Finland, May 29, 2015.

Invited talk: X-ray tomography of dynamic objects using level sets,
Applied Inverse Problems Conference, Minisymposium Current developments in tomography: from algorithms to applications
University of Helsinki, Finland, May 25, 2015. PDF (125 MB)

Keynote talk: Ill-posedness and regularization: the case of X-ray tomography,
Applied Inverse Problems Summer School,
University of Helsinki, Finland, May 18, 2015. PDF (103 MB)

Invited talk: Reconstruction methods for ill-posed inverse problems,
Summer Pre-School on Inverse Problems,
Centre international de rencontres mathématiques (CIRM), France, April 16, 2015. PDF (82 MB)
The talk is available as a video: Part 1 and Part 2.

Invited talk: Colored buzz, or Glottal Inverse Filtering,
Inverse Problems Seminar,
Colorado State University, Fort Collins, USA, March 12, 2015.

Invited talk: Artefacts in X-ray Tomography: closing lecture,
Artefacts in X-Ray Tomography,
Lorentz Center, Leiden, the Netherlands, February 13, 2015. PDF (40 MB)

2014

Invited talk: Edge-Preserving Electrical Impedance Tomography,
IFIP TC 7.4 Workshop on Inverse Problems and Imaging,
Akademie Wolfsburg, Mülheim a.d. Ruhr, Germany, December 16, 2014. PDF (40 MB)

Invited talk: Colored buzz, or Glottal Inverse Filtering,
3rd Workshop on Computational Engineering 2014,
University of Stuttgart, Germany, October 9, 2014

Inverse Problems in Human Speech Research,
Inverse Problems Seminar,
University of Electro-Communications, Tokyo, Japan, September 8, 2014.

X-ray tomography of moving objects using level sets,
Inverse Problems Seminar,
University of Tokyo, Japan, September 4, 2014. PDF (124 MB)

Plenary talk: X-ray tomography of moving objects using level sets,
Annual meeting of the Japan Society for Industrial and Applied Mathematics (JSIAM),
National Graduate Institute of Political Studies, Tokyo, Japan, September 3, 2014.

Invited talk: Regularization for electrical impedance tomography using nonlinear Fourier transform,
Inverse Problems - from Theory to Application, minisymposium Regularization: algorithms,
At-Bristol science museum, United Kingdom, August 28, 2014. PDF (17.9 MB)

Public lecture: Understanding Human Speech,
Inverse Problems - from Theory to Application,
At-Bristol science museum, United Kingdom, August 26, 2014. PDF (21.4 MB)
Here is a video explaining some concepts related to the public lecture.

Invited talk: Four-dimensional tomography based on a level set method,
Inverse Problems - from Theory to Application, minisymposium Industrial Inverse Problems,
At-Bristol science museum, United Kingdom, August 26, 2014. PDF (51.8 MB)

Invited talk: New Computational Techniques for Static and Dynamic Sparse-Data Tomography,
MFO Workshop Mathematics and Algorithms in Tomography,
Mathematisches Forschungsinstitut Oberwolfach, Germany, August 14, 2014. PDF (52 MB)

X-ray tomography of moving objects using level sets,
Distinguished lectures on inverse problems, minisymposium Regularization and computational inversion,
University of Helsinki, Finland, August 7, 2014.

Level set method for dynamic sparse-data X-ray tomography,
SIAM Conference on Imaging Science, minisymposium Computational inversion methods for biomedical imaging,
Hong Kong Baptist University, China, May 13, 2014.

Invited talk: Edge-Preserving Electrical Impedance Tomography,
SIAM Conference on Imaging Science, minisymposium Keep the Edge? From Theory to Practice,
Hong Kong Baptist University, China, May 12, 2014.

Invited talk: Colored buzz, or Glottal Inverse Filtering,
4th Eunis Rectors Conference
Microsoft corporate facilities in Espoo, Finland, April 4, 2014.

Four-dimensional X-ray tomography,
Advanced X-Ray Tomography: Experiment, Modeling, and Algorithms
Lorentz Center, Leiden, the Netherlands, February 13, 2014. PDF (22 MB)

Invited talk: Four-dimensional X-ray tomography,
Inverse Problems Follow-Up Meeting
Isaac Newton Institute, Cambridge, United Kingdom, February 11, 2014.

Invited talk: A Data-Driven Edge-Preserving D-bar Method for Electrical Impedance Tomography,
Inverse Problems Follow-Up Meeting
Isaac Newton Institute, Cambridge, United Kingdom, February 10, 2014. PDF (28 MB)

Four-dimensional X-ray tomography,
FinEst Math 2014, University of Helsinki, Finland, January 9, 2014. PDF (14 MB)

2013

Data-driven enhancement of electrical impedance tomography using segmentation flow,
19th Inverse Days of the Finnish Inverse Problems Society
Inari, Finland, December 12, 2013. PDF (24 MB)

Invited talk: Data-driven enhancement of electrical impedance tomography using segmentation flow,
Cambridge Image Analysis Seminar
University of Cambridge, United Kingdom, December 2, 2013.

Invited talk: Regularization for electrical impedance tomography using nonlinear Fourier transform,
Le Studium Conference: Biology and Mathematical Inverse Problems: A New Wedded Couple?
Orléans, France, November 15, 2013.

Invited minicourse: Nonlinear inversion methods,
Franco-German Summer School Inverse Problems and Partial Differential Equations
University of Bremen, Germany, October 7-11, 2013. Main material: PDF (26.4 MB). Bonus material: PDF (3.4 MB).

Plenary talk: Regularization for electrical impedance tomography using nonlinear Fourier transform,
International Workshop on Inverse Problems and Regularization Theory,
Fudan University, Shanghai, China, September 27, 2013.  PDF (10.8 MB)

Plenary talk: Sparse tomography,
Shanghai International Workshop on Recent Advances in Inverse Problems and Imaging Science,
Jiao Tong University, Shanghai, China, September 22, 2013.  PDF (16.1 MB)

Invited talk: Regularization for electrical impedance tomography using nonlinear Fourier transform,
Inverse Problems Seminar, Technical University of Denmark (DTU), September 4, 2013. PDF (10 MB)

Invited talk: Noise-robust detection of inclusions and obstacles from partial data,
Applied Inverse Problems Conference, minisymposium Size Estimates,
Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, July 5, 2013. PDF (6.9 MB)

Invited talk: Low-dose 3D dental X-ray imaging,
Applied Inverse Problems Conference, minisymposium Tomography in Industry and Science,
Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, July 3, 2013. PDF (11 MB)

Invited talk: Sparse tomography,
Applied Inverse Problems Conference, minisymposium Fourier analytic methods in tomographic image reconstruction,
Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, July 1, 2013. PDF (7.7 MB)

Invited talk: Solution of inverse boundary value problems using nonlinear Fourier transform,
Project Review and Advisory Board Meeting of the Geo-Mathematical Imaging Group of Purdue University
Chicago, Illinois, USA, April 19, 2013. PDF (7.4 MB)

Invited talk: Sparse tomography,
Inverse Problems Seminar, Colorado State University, USA, April 9, 2013. PDF (16.1 MB)

Invited talk: Sparse tomography,
Colloquium of the Institute of Biomathematics and Biometry,
Helmholtz Zentrum München, Germany, March 27, 2013. PDF (10.6 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
Centre for Inverse Problems: Opening Meeting,
University College London, United Kingdom, March 19, 2013. PDF (6.9 MB)

Invited talk: Electrical impedance tomography using nonlinear Fourier transform,
Mathematical Methods and Modeling of Biophysical Phenomena,
Cabo Frio, Rio de Janeiro, Brazil, March 6, 2013. PDF (8.1 MB)

2012

Improved glottal inverse filtering by Markov chain Monte Carlo methods,
5th International Congress of World Voice Consortium
Luxor, Egypt, October 30, 2012. PDF (3.1 MB)

Invited talk: Sparsity-based choice of regularization parameter,
Computational Inverse Problems,
Mathematisches Forschungsinstitut Oberwolfach, Germany, October 23, 2012. PDF (11 MB)

Invited talk: Sparse tomography,
Chinese-German Symposium on Inverse Problems,
Universität des Saarlandes, Germany, October 8, 2012. PDF (9.3 MB)

Invited talk: Computational inversion based on complex geometrical optics solutions,
International Conference on Inverse Problems and Applications in Honor of Gunther Uhlmanns 60th Birthday,
Zhejiang University, Hangzhou China, September 19, 2012. PDF (7.5 MB)

Invited talk: Sparse tomography,
Inverse problems seminar, Shanghai Jiao Tong University, China, September 13, 2012. PDF (18.1 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
Focused research group "The d-bar method: inverse scattering, nonlinear waves, and random matrices,"
Banff International Research Station (BIRS), Canada, July 31, 2012. PDF (6.6 MB)

Invited minicourse: Computational inversion using nonlinear Fourier transform,
The summer school on computational methods for inverse problems in imaging,
University of Eastern Finland, Kuopio campus, Finland, June 11-15, 2012.
Course material available at the Summer school homepage.

Plenary talk: Electrical impedance imaging using nonlinear Fourier transform,
Workshop on Computational Inverse Problems, Erwin Schrödinger Institute,
Vienna, Austria, April 24, 2012. PDF (4.3 MB)

Invited minicourse: Computational inversion using complex geometric optics solutions and nonlinear Fourier transforms,
17th Intensive Course on Complex Analysis, its Generalizations and Applications,
University of Aveiro, Portugal, March 26-28, 2012. PDF (7.6 MB)

Plenary talk: Electrical impedance imaging using nonlinear Fourier transform,
Inverse problems and numerical methods in applications, Institut für Werkstofftechnik,
Bremen, Germany, March 8, 2012. PDF (4.6 MB)

Invited talk: Low-dose three-dimensional X-ray imaging,
Inverse problems seminar, Westfälische Wilhelms Universität
Münster, Germany, March 7, 2012. PDF (15 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
Workshop on Inverse Problems for Partial Differential Equations,
Mathematisches Forschungsinstitut Oberwolfach,Germany, February 24, 2012. PDF (4.6 MB)

Invited talk: Electrical impedance tomography imaging by nonlinear Fourier transform,
Inverse Problems Seminar, Institut für Numerische Mathematik, TU Graz, Austria, February 15, 2012. PDF (5.9 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
Finnish Mathematics Days, Lappeenranta University of Technology, Finland, January 4, 2012.

2011

Invited talk: Electrical impedance tomography imaging by nonlinear Fourier transform,
School of Computing and Mathematical Sciences Seminar Series, the University of Greenwich,
London, United Kingdom, November 25, 2011. PDF (4 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
Inverse Problems Seminar, Isaac Newton Institute for Mathematical Sciences,
Cambridge, United Kingdom, November 22, 2011. PDF (5.5 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
Mathematics Seminar, University College London, United Kingdom, November 21, 2011. PDF (5.7 MB)

Invited talk: Low-dose three-dimensional X-ray imaging,
CMIC Seminar, University College London, United Kingdom, November 21, 2011. PDF (19.2 MB)

Invited talk: Electrical impedance imaging using nonlinear Fourier transform,
International Conference on Scientific Computing,
S. Margherita di Pula, Italy, October 14, 2011. PDF (5.4 MB)

Invited talk: Low-dose three-dimensional X-ray imaging,
Mathematical imaging in interaction with biomedicine,
International Centre for Mathematical Sciences, Edinburgh, United Kingdom, September 7, 2011. PDF (18.9 MB)

Minicourse Introduction to Computational Inversion at Inverse Problems: Introductory Workshop,
Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom, July 25-29, 2011.
Lecture 1, Lecture 2, Lecture 3, Lecture 4.

Plenary talk (on behalf of David Isaacson): Electrical Impedance Tomography,
Fields-MITACS Conference on Mathematics of Medical Imaging,
University of Toronto, Canada, June 23, 2011.

Plenary talk: Low-dose three-dimensional X-ray imaging,
Fields-MITACS Conference on Mathematics of Medical Imaging,
University of Toronto, Canada, June 22, 2011.PDF (14.2 MB)

Invited talk: Sparsity-promoting Bayesian inversion,
Workshop on Inverse Problems and Optimal Control for PDEs,
University of Warwick, United Kingdom, May 26, 2011. PDF (3.7 MB)

Regularization for electrical impedance tomography using nonlinear Fourier transform,
Inverse Problems Research Group Seminar,
Johannes Gutenberg University, Mainz, Germany, May 17, 2011. PDF (6.8 MB)

Feasibility of electrical impedance tomography for the imaging of the larynx - preliminary results,
Advanced Voice Function Assessment (AVFA) Workshop,
Goethe-University of Frankfurt am Main, Germany, May 15, 2011.

Discretization-Invariant Bayesian Inversion,
Inverse Problems and Control Theory Research Group Seminar,
Centre de Mathématiques et Informatique, Marseille, France, April 12, 2011. PDF (5.1 MB)

Regularized D-bar method for electrical impedance tomography,
LATP Seminar, Centre de Mathématiques et Informatique, Marseille, France, April 12, 2011. PDF (6.2 MB)

Fake tooth, artificial voice, and inverse calculus (in Finnish),
Kumpula Colloquium, University of Helsinki, Finland, April 5, 2011.
This presentation was aimed at a general audience.

Invited talk: Electrical Impedance Tomography,
Spectral and Scattering Theory and Related Topics, RIMS Workshop, Kyoto, Japan, February 16, 2011. PDF (6.2 MB)

Wavelets in industrial research & development,
Presentation at the Aisin AW company, Mikawa-Anjo, Japan, February 14, 2011.

Industrial Mathematics (In Finnish),
The Science Forum, University of Helsinki, Finland, January 13, 2011.
This presentation was aimed at a general audience. PDF (9.5 MB)

2010

Electrical impedance tomography for nonsmooth conductivities,
16th Inverse Days of the Finnish Inverse Problems Society, Oulu, Finland, December 15, 2010.

Invited talk: Regularized Electrical Impedance Tomography Using Nonlinear Fourier Transform,
Inverse Problems and Applications Seminar, Mathematical Sciences Research Institute, Berkeley, USA, October 4, 2010. PDF (5 MB)

Invited talk: Infinite photography,
Colorado State University Inverse Problems Seminar, USA, September 16, 2010. PDF (10.8 MB)

Invited talk: Low-dose dental 3D X-ray imaging,
16th European Conference on Mathematics for Industry, Wuppertal, Germany, July 28, 2010. PDF (3.8 MB)

Invited talk: Direct electrical impedance tomography for non-smooth conductivities,
The 8th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Dresden, Germany, May 25, 2010. PDF (2.1 MB)

Invited talk: Wavelet-based Bayesian inversion for tomographic problems with sparse data,
Mathematics and Algorithms in Tomography, Oberwolfach, Germany, April 15, 2010. PDF (7.2 MB)

Bayesian inversion for 3D dental X-ray imaging,
China-Finland-Germany workshop on inverse problems, University of Helsinki, Finland. PDF (4.7 MB)

Regularized D-bar method for the inverse conductivity problem,
Seminar talk at Rensselaer Polytechnic Institute, USA, January 26, 2010. PDF (4.3 MB)

Invited talk: Regularized D-bar method for the inverse conductivity problem,
WIPA2010 Workshop on Inverse Problems and Applications, Valparaiso, Chile, January 22, 2010. PDF (4.5 MB)

Regularized D-bar method for the inverse conductivity problem,
Seminar talk at University of Delaware, USA, January 14, 2010. PDF (4.1 MB)

2009

CSI Speech: Computerized inversion for spoken language research,
15th Inverse Days of the Finnish Inverse Problems Society, Luosto, Finland, December 17, 2009.

Regularized D-bar method for the inverse conductivity problem,
Inverse Problems Seminar, Johann Radon Institute for Computational
and Applied Mathematics (RICAM), Linz, Austria, December 10, 2009. PDF (3.9 MB)

Discretization-invariant Bayesian inversion for 3D medical X-ray imaging ,
Mathematics Seminar, Technical University of Denmark, Denmark, October 21, 2009. PDF (10.4 MB)

Discretization of Bayesian inverse problems, part II,
Monte Carlo Markov Chain Seminar, University of Helsinki, Finland, October 19, 2009. PDF (8.6 MB)

Invited talk: Inverse methods as tools in papermaking quality assessment and management,
EffTech Seminar 2009 organized by Forestcluster Ltd, Espoo, Finland, October 6, 2009.

Plenary talk: Regularized D-bar method for the inverse conductivity problem,
Third Finnish-Estonian Mathematical Colloquium (FinEst Math 2009),
University of Tartu, Estonia, August 28, 2009. PDF (3.2 MB)

Invited talk: Inverse conductivity problem and the Beltrami equation,
Conference on Applied Inverse Problems,
University of Vienna, Austria, June 21, 2009. PDF (2.5 MB)

The inverse scattering method for the Novikov-Veselov equation,
Mathematical Physics Seminar, University of Helsinki, Finland, April 22, 2009. PDF (5.6 MB)

Regularized D-bar method for the inverse conductivity problem,
Finnish-Korean Symposium on Inverse Problems,
Seoul National University, Korea, April 2, 2009. PDF (882 KB)

Computerized inversion in industrial research & development,
Presentation at the Aisin AW company, Mikawa-Anjo, Japan, March 30, 2009.

Electrical imaging: inverse problems in the service of medicine (In Finnish)
Colloquium of the Finnish Mathematical Society,
University of Helsinki, Finland, March 9, 2009. PDF (1 MB)

Inversion methods for three-dimensional medical X-ray imaging,
Colloquium of the Department of Mathematics and Statistics,
University of Helsinki, Finland, February 25, 2009. PDF (2.7 MB)

Regularized D-bar method for electrical impedance tomography,
Control and Inverse Problems in PDE: Theoretical and Numerical Aspects,
Centre International de Rencontres Mathématiques (CIRM), Marseille, France, February 19, 2009. PDF (1 MB)

2008

Regularization of the D-bar method for electrical impedance tomography,
14th Inverse Days of the Finnish Inverse Problems Society, Kuopio, Finland, December 15, 2008.

Invited talk: Computational aspects of inverse problems (in Finnish),
Computational Science Day, University of Jyväskylä, Finland, December 11, 2008.

Invited talk: Regularization of the D-bar method for electrical impedance tomography,
Inverse Problems: Recent Progress and New Challenges,
Banff International Research Station (BIRS), Canada, November 18, 2008.

Invited talk: Discretization-invariant Bayesian inversion and Besov space priors,
Inverse and Partial Information Problems: Methodology and Applications,
Johann Radon Institute for Computational and Applied Mathematics (RICAM), Linz, Austria, October 28, 2008.

Probing with complex spherical waves,
Graduate Student Workshop on Clifford Algebras and Inverse Problems (FinCAIP),
Tampere University of Technology, Finland, September 1, 2008.

Invited talk: Inverse Problems,
Private industrial seminar organized by Numerola, Jyvaskyla, Finland, August 21, 2008.

Direct reconstruction method for electrical impedance tomography,
7th AIMS International Conference on Dynamical Systems, Differential Equations and Applications,
University of Texas, Arlington, USA, May 19, 2008.

Novikov-Veselov equation and the inverse scattering transform,
7th AIMS International Conference on Dynamical Systems, Differential Equations and Applications,
University of Texas, Arlington, USA, May 19, 2008.

Discretization invariant Bayesian inversion and Besov space priors,
University of Washington, Department of Mathematics, Inverse problems seminar, USA, May 16, 2008.

The d-bar reconstruction method for electrical impedance tomography,
Progress in electromagnetic research symposium (PIERS 2008), Hangzhou, China, March 25, 2008.

Three-dimensional X-ray imaging,
Finnish Mathematical Days 2008 Helsinki University of Technology, Finland, January 3, 2008.

2007

Detecting inclusions using electrical impedance tomography,
13th Inverse Days of the Finnish Inverse Problems Society, Lappeenranta, Finland, December 12, 2007.

Detecting inclusions using electrical impedance tomography,
Colorado State University, Department of Mathematics, USA, December 4, 2007.

Nonlinear Fourier transform in dimension two,
University of Washington, Department of Mathematics, Inverse Problems Seminar, USA, November 26, 2007.

Detecting inclusions using electrical impedance tomography,
Aalborg University, Department of Mathematical Sciences, Denmark, October 11, 2007.

The d-bar reconstruction method for electrical impedance tomography,
Graduate Student Workshop on Inverse Problems, Colorado State University, USA, August 1, 2007.

Direct reconstruction of discontinuous conductivities using Beltrami equation,
Applied Inverse Problems 2007, Vancouver, Canada, June 27, 2007.

Invited talk: The d-bar reconstruction method in dimension two,
Symposium on Inverse Problems Honoring Alberto Calderón, IMPA, Rio de Janeiro, Brazil, January 18, 2007.

2006

Low dose 3-dimensional medical X-ray imaging,
Aalborg University, Department of Mathematical Sciences, Denmark, October 9, 2006.

Invited talk: The d-bar reconstruction method for electrical impedance tomography,
Inverse Problems and Applications, BIRS, Banff, Canada, August 23, 2006.

Nonlinear Fourier transform in dimension two,
Function Theories in Higher Dimensions, Tampere, Finland, June 15, 2006.

The d-bar reconstruction method for electrical impedance tomography,
SIAM Conference on Imaging Science, Minneapolis, USA, May 15, 2006.

Low dose 3-dimensional medical X-ray imaging,
Colorado State University, Department of Mathematics, USA, May 11, 2006.

Invited talk: The d-bar reconstruction method for electrical impedance tomography,
Applied and Computational Electromagnetics (ACE 2006), Boston University, USA, May 5, 2006.

The d-bar reconstruction method for electrical impedance tomography,
Department of Applied Physics, University of Kuopio, Finland, March 16, 2006.

The d-bar reconstruction method for electrical impedance tomography,
Institute of Mathematics, Tokyo University, Japan, January 31, 2006.

The d-bar reconstruction method for electrical impedance tomography,
Institute of Mathematics, Tsukuba University, Japan, January 23, 2006.

2005

Nonlinear Fourier transform in dimension two,
Eleventh Inverse Days of the Finnish Inverse Problems Society, Helsinki, Finland, December 15, 2005.

Low dose 3-dimensional medical X-ray imaging,
Weierstrass Institute for Applied Analysis and Stochastics (WIAS) Berlin, Germany, October 31, 2005.

Low dose 3-dimensional medical X-ray imaging,
RheinAhrCampus Remagen, Germany, September 26, 2005.

The d-bar reconstruction method for electrical impedance tomography,
Institute for Numerical and Applied Mathematics, Georg-August-University Goettingen, Germany, September 19, 2005.

Low dose 3-dimensional medical X-ray imaging,
Fujita Health University College, Toyoake, Aichi, Japan, May 25, 2005.

New computational methods for electrical impedance tomography,
SciCADE 2005, Nagoya, Japan, May 24, 2005.

Low dose 3-dimensional medical X-ray imaging,
Institute of Mathematics, Tsukuba University, Japan, May 18, 2005.

Electrical impedance tomography and Mittag-Leffler’s function,
Department of Mathematics, Colorado State University, Fort Collins, Colorado, USA, January 31, 2005.

2004

The d-bar reconstruction method for electrical impedance tomography,
Istituto per le applicazioni del calcolo, Florence, Italy, September 27, 2004.

Low-dose 3D imaging,
First national meeting of SIROM (Società Italiana di Radiologia Odontostomatologica a Maxilo-Facciale), Milan, Italy, September 24, 2004.

Numerical inversion methods based on Faddeev’s Green function,
Perspectives on Inverse Problems, Helsinki, Finland, May 31, 2004.

Electrical impedance tomography and Mittag-Leffler’s function,
Fourth Matsuyama Analysis Seminar, Ehime University, Matsuyama, Japan, February 17, 2004.

2003

Solution of the inverse problem of cardiology using Faddeev’s Green function,
Finnish Inverse Days 2003, Isosyöte, Finland, November 11, 2003.

The d-bar reconstruction method for electrical impedance tomography,
Tokyo Metropolitan University, Japan, December 5, 2003.

Numerical solution of the inverse problem of ECG using Faddeev’s Green function,
Hiroshima University, Japan, November 21, 2003.

Numerical solution of the inverse problem of ECG using Faddeev’s Green function,
RIMS seminar on inverse problems, Kyoto, Japan, October 20, 2003.

Electrical impedance tomography and Mittag-Leffler’s function,
Japan Mathematical Society meeting, Chiba, Japan, September 27, 2003.

Invited talk: Three-dimensional X-ray imaging with few radiographs,
Workshop on Inverse Problems & Medical Imaging, PIMS-UBC, Vancouver, Canada, August 6, 2003.

Fast two-grid d-bar solver for electrical impedance tomography,
ICIAM 2003, Sydney, Australia, July 8, 2003.

Bayesian Inversion for X-ray Tomography with Few Data,
Applied Inverse Problems, UCLA IPAM, Lake Arrowhead, CA, USA, May 22, 2003.

Numerical solution of the Cauchy problem with Faddeev’s Green function,
Tokyo Metropolitan University, Japan, May 7, 2003.

Modeling and simulation for electric impedance tomography,
Winter Seminar of Nonlinear Science Center, Hokkaido University, Sapporo, Japan, February 21, 2003.

2002

Fast regularized algorithm for direct EIT reconstruction,
MaPhySto Workshop on Inverse Problems, Aalborg University, Denmark, September 13, 2002.

Regularized algorithm for direct EIT reconstruction,
The First Mummy Range Workshop on Electric Impedance Imaging, Mummy Range, CO, USA, August 1-7, 2002.

Scatter Removal for Digital X-ray Mammography,
First SIAM Imaging Science Conference, Boston, MA, USA, March 5, 2002.

2001

A direct regularized reconstruction method for EIT,
Conference on Inverse Problems, MSRI, Berkeley, CA, USA, November 6, 2001.

Tackling nonlinearity in electrical impedance tomography,
Aalborg University, Denmark, June 2001.

2000

Detecting inclusions in conductivity with EIT,
Finnish Inverse Days 2000, Finland.

An implementation of the reconstruction method of A. Nachman for the 2-D inverse conductivity problem,
Radon Transforms and Tomography, 2000 AMS-IMS-SIAM Joint Summer Research Conference, Mount Holyoke College, MA, USA, June 2000.

1999

Numerical implementation of the algorithm of A Nachman for 2D EIT,
ICIAM 1999, Edinburgh, United Kingdom.
This page was last updated on May 18, 2017.
Research home page of Samuli Siltanen Onnistui.