Jaakko Astola - Selected publications#

"Vector median Filters", J. Astola, P. Haavisto, and Y. Neuvo, Proc. IEEE, Vol 78 no. 4, April 1990, p. 678-689, 1990. (786 citations)

This paper developed concept and properties the vector median filter which is a robust filter for vector valued signals. It analyzed its theoretical properties, for instance the root signals (or invariant signals) of the filter. It also showed the usefulness of this filter type for color image filtering especially for applications where it is important to maintain the set of color values in the image. It has inspired much subsequent work on color filtering.

“Fundamentals of Nonlinear Digital Filtering”, J. Astola, P. Kuosmanen, , CRC Press Inc., Boca Raton, May 1997, pp. 288, ISBN 0-8493-2570-6, 1997. (528 citations)

This is a widely used textbook, one of the first on nonlinear filters. A unique feature of the book is that it compares over fifty different types of filters using both theoretical analysis and performance analysis on a fixed set of natural and artificial images. This helps the student to get a good understanding of the properties of different filters.

"Analysis of the Properties of Median and Weighted Median Filters Using Threshold Logic and Stack Decomposition", O.Yli-Harja, J. Astola, and Y. Neuvo, , IEEE Trans. Signal Processing, Vol. SP-39, pp. 395-410, February 1991. (212 citations)

In this paper the properties of weighted median filters are analyzed using the recently developed concept of stack filters. A method for finding the weighted order statistic filter equivalent to a stack filter is presented. The paper also shows how to develop a non-recursive expansion of a recursive weighted median filter. By developing many toos and results for weighed median and weighted order statistics filters the paper has inspired further work on nonlinear filtering.

Analysis of the meter of acoustic musical signals, AP Klapuri, AJ Eronen, JT AstolaAudio, Speech, and Language Processing, IEEE Transactions on 14 (1), 342-355, (197 citations), 2006

Soft morphological filters, L Koskinen, JT Astola, YA Neuvo, Proceedings of SPIE 1568, 262, (112 citations), 1991

Spectral interpretation of decision diagrams, RS Stanković, J Astola, Springer-Verlag New York Inc, 304 pages, (103 citations), 2003

The role of certain Post classes in Boolean network models of genetic networks, I Shmulevich, H Lähdesmäki, ER Dougherty, J Astola, W Zhang, Proceedings of the National Academy of Sciences 100 (19), 10734, (94 citations), 2003

Systematic bioinformatic analysis of expression levels of 17,330 human genes across 9,783 samples from 175 types of healthy and pathological tissues, S Kilpinen, R Autio, K Ojala, K Iljin, E Bucher, H Sara, T Pisto, M Saarela ...Genome Biol 9 (9), R139, (92 citations), 2008

From local kernel to nonlocal multiple-model image denoising, V Katkovnik, A Foi, K Egiazarian, J Astola, International Journal of Computer Vision 86 (1), 1-32, (56 citations) ,2010

Binary polynomial transforms and nonlinear digital filters, SS Agaian, J Astola, K Egiazarian, Chapman & Hall/CRC, 336 pages, (155 citations), 1955

In Google Scholar all citations: 6933, Since 2007: 3404, H-index all 37, since 2007, 27
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