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All accepted articles are available at ResearchGate.
In preparationIn reviewO. Bondarenko, I. Harris, and A. Kleefeld, The interior transmission eigenvalue problem for an inhomogeneous media with a conductive boundary, Applicable Analysis, submitted January 2016. Accepted2016 M. Welk, A. Kleefeld, and M. Breuß, Quantile filtering of colour images via symmetric matrices, Mathematical Morphology - Theory and Applications, 1 (2016), pp. 136-174. F. S. V. Bazán, A. Kleefeld, K. H. Leem and G. Pelekanos, Sampling method based projection approach for the reconstruction of 3D acoustically penetrable scatterers, Linear Algebra and its Applications, 495 (2016), pp. 289-323. S. Peters and A. Kleefeld, The inside-outside duality for scattering objects with cavities, Inverse Problems, 32 (2016), 045001 (28pp). V. Brazauskas and A. Kleefeld, Modeling Severity and Measuring Tail Risk of Norwegian Fire Claims, North American Actuarial Journal, 20 (2016), pp. 1-16. 2015 A. Kleefeld and B. Burgeth, Processing multispectral images via mathematical morphology, In I. Hotz and T. Schultz ( Eds.): Visualization and Processing of Higher Order Descriptors for Multi-Valued Data, Springer, Berlin, 2015, pp. 129-148. A. Kleefeld and M. Veste, Robuste und strukturerhaltende Bildentrauschung via Medianfilterung und Bildsegmentierung, Bornimer Agrartechnische Berichte, 88 (2015), pp. 92-100. A. Kleefeld, Numerical methods for acoustic and electromagnetic scattering: Transmission boundary-value problems, interior transmission eigenvalues, and the factorization method, Habilitation Thesis, May 2015. A. S. Boroujerdi, M. Breuß, B. Burgeth, and A. Kleefeld, PDE-based color morphology using matrix fields, In J.-F. Aujol, M. Nikolova, and N. Papadakis (Eds.): Scale space and variational methods in computer vision, Lecture Notes in Computer Science, Springer, Berlin, 9087 (2015), pp. 461-473. A. Kleefeld, A. Meyer-Baese, and B. Burgeth, Elementary morphology for SO(2)- and SO(3)-orientation fields, In J. A. Benediktsson, J. Chanussot, L. Najman, and H. Talbot (Eds.): Mathematical Morphology and Its Applications to Signal and Image Processing, Lecture Notes in Computer Science, Springer, Berlin, 9082 (2015), pp. 458-469. M. Welk, A. Kleefeld, and M. Breuß, Non-adaptive and amoeba quantile filters for colour images, In J. A. Benediktsson, J. Chanussot, L. Najman, and H. Talbot (Eds.): Mathematical Morphology and Its Applications to Signal and Image Processing, Lecture Notes in Computer Science, Springer, Berlin, 9082 (2015), pp. 398-409. A. Meyer-Baese, A. Barbu, M. Lobbes, S. Hoffmann, B. Burgeth, A. Kleefeld, and Uwe Meyer-Baese, Computer-aided diagnosis of breast MRI with high accuracy optical flow estimation, In H. H. Szu, L. Dai, and Y. Zheng (Eds.): Proceedings of SPIE 9496, Independent Component Analyses, Compressive Sampling, Large Data Analyses (LDA), Neural Networks, Biosystems, and Nanoengineering XIII, 949605 (20 May 2015). A. Kleefeld, M. Breuß, M. Welk, and B. Burgeth, Adaptive Filters for Color Images: Median Filtering and its Extensions, In A. Trémeau, R. Schettini, and S. Tominaga (Eds.): Computational Color Imaging, Lecture Notes in Computer Science, Springer, Berlin, 9016 (2015), pp. 149-158. 2014 B. Burgeth and A. Kleefeld, An approach to color-morphology based on Einstein addition and Loewner order, Pattern Recognition Letters, 47 (2014), pp. 29-39. (Source) V. Brazauskas and A. Kleefeld, Authors’ Reply to “Letter to the Editor regarding folded models and the paper by Brazauskas and Kleefeld (2011)”, Scandinavian Actuarial Journal, 2014 (2014), pp. 753-757. B. Burgeth and A. Kleefeld, Order based morphology for color images via matrix fields, In B. Burgeth, A. Vilanova, and C.-F. Westin (Eds.): Visualization and Processing of Tensor Fields and Higher Order Descriptors for Multi-Valued Data, Springer, Berlin, 2014, pp. 75-95. 2013 K. A. Anagnostopoulos, A. Charalambopoulos, and A. Kleefeld, The factorization method for the acoustic transmission problem, Inverse Problems, 29 (2013), 115015 (29pp). A. Kleefeld, A numerical method to compute interior transmission eigenvalues, Inverse Problems, 29 (2013), 104012 (20pp). Y. C. Ju, S. Tozza, M. Breuß, A. Bruhn, and A. Kleefeld, Generalised Perspective Shape from Shading with Oren-Nayar Reflectance, In T. Burghardt, D. Damen, W. Mayol-Cuevas, and M. Mirmehdi (Eds.): Proceedings of the British Machine Vision Conference, BMVA Press (2013), pp. 42.1-42.11. A. Kleefeld and T.-C. Lin, A global Galerkin method for solving the exterior Neumann problem for Helmholtz's equation using Panich's integral equation approach, SIAM Journal on Scientific Computing (Methods and Algorithms for Scientific Computing), 35 (2013), pp. A1709-A1735. B. Burgeth and A. Kleefeld, Morphology for Color Images via Loewner Order for Matrix Fields, In C. L. L. Hendriks, G. Borgefors, and R. Strand (Eds.): Mathematical Morphology and Its Applications to Signal and Image Processing, Lecture Notes in Computer Science, Springer, Berlin, 7883 (2013), pp. 243-254. 2012 A. Kirsch and A. Kleefeld, The factorization method for a conductive boundary condition, Journal of Integral Equations and Applications, 24 (2012), pp. 575-601. A. Kleefeld, The exterior problem for the Helmholtz equation with mixed boundary conditions in three dimensions, International Journal of Computer Mathematics, 89 (2012), pp. 2392-2409. A. Kleefeld, A modified boundary integral equation for solving the exterior Robin problem for the Helmholtz equation in three dimensions, Journal of Applied Mathematics and Computation, 219 (2012), pp. 2114-2123. A. Kleefeld and V. Brazauskas, A statistical application of the quantile mechanics approach: MTM estimators for the parameters of t and gamma distribution, European Journal of Applied Mathematics, 23 (2012), pp. 593-610. A. Kleefeld, The transmission problem for the Helmholtz equation in R^3, Computational Methods in Applied Mathematics, 12 (2012), pp. 330-350. A. Kleefeld and T.-C. Lin, Boundary element collocation method for solving the exterior Neumann problem for Helmholtz's equation in three dimensions, Electronic Transactions on Numerical Analysis, 39 (2012), pp. 113-143. 2011 A. Kleefeld and T.-C. Lin, The nonlinear Landweber method applied to an inverse scattering problem for sound-soft obstacles in 3D, Computer Physics Communications, 182 (2011), pp. 2550-2560. A. Kleefeld, Numerical results for linear Fredholm integral equations of the first kind over surfaces in three dimensions, International Journal of Computer Mathematics, 88 (2011), pp. 2728-2742. A. Kleefeld and M. Reißel, The Levenberg-Marquardt method applied to a parameter estimation problem arising from electrical resistivity tomography, Journal of Applied Mathematics and Computation, 217 (2011), pp. 4490-4501. V. Brazauskas and A. Kleefeld, Folded and log-folded-t distributions as models for insurance loss data, Scandinavian Actuarial Journal, 1 (2011), pp. 59-74. 2009 A. Kleefeld, Direct and inverse acoustic scattering for three-dimensional surfaces, Ph.D. Thesis, December 2009. V. Brazauskas and A. Kleefeld, Robust and efficient fitting of the generalized Pareto distribution with actuarial applications in view, Insurance: Mathematics and Economics, 45 (2009), pp. 424-435. 2007 A. Kleefeld, Numerical results of linear Fredholm integral equations of the first kind over surfaces, Master Thesis, May 2007. 2005 A. Kleefeld, Numerische Untersuchungen zur Bestimmung von Bodenstrukturen durch elektrische Widerstandstomographie (ERT), Diploma Thesis, December 2005. Unpublished bookSolutions Manual for "Functions of One Complex Variable I", Second Edition by John B. Conway written by Andreas Kleefeld |