Shape preservation criteria and optimal soft morphological filtering. - Pauli Kuosmanen; Pertti Koivisto; Heikki Huttunen; Jaakko Astola (J. Math. Imaging Vis., 1995)

Signal quantization and the optimization of digital filters. - Pertti T. Koivisto; Heikki Huttunen; Pauli Kuosmanen; Jaakko T. Astola (Electronic Imaging: Nonlinear Image Processing, 1996)

Training-based optimization of soft morphological filters. - Pertti T. Koivisto; Heikki Huttunen; Pauli Kuosmanen (J. Electronic Imaging, 1996)

Comments on "Analysis of the properties of soft morphological filtering using threshold decomposition". - Pertti Koivisto; Pauli Kuosmanen; Heikki Huttunen; Jaakko Astola (IEEE Trans. Signal Process., 1996)

Complexity constraints - A way toward simpler structuring systems. - Pertti Koivisto; Pauli Kuosmanen (EUSIPCO, 1998)

Training Based Optimization of Weighted Order Statistic Filters Under Breakdown Criteria. - Heikki Huttunen; Pertti Koivisto (ICIP (4), 1999)

Comparison of component and vector filter performance with application to multichannel and color image processing. - Andrey A. Kurekin; Vladimir V. Lukin; Alexander A. Zelensky; Pertti Koivisto; Jaakko Astola; Kari P. Saarinen (NSIP, 1999)

Complexity Aspects of Recursive and Nonrecursive Soft Morphological Filters. - Pertti Koivisto; Heikki Huttunen (SIP, 1999)

Applications and properties of sigma and mean filters with adaptive window size. - Nikolay N. Ponomarenko; Vladimir V. Lukin; Alexander A. Zelensky; Pertti T. Koivisto; Jaakko T. Astola (Electronic Imaging: Nonlinear Image Processing, 2000)

Reduction factors in finite automata with application to nonlinear filters. - Antti Niemistö; Olli Yli-Harja; Antti Valmari; Pertti Koivisto; Ilya Shmulevich (EUSIPCO, 2000)

Design of weighted order statistic filters by training-based optimization. - Pertti Koivisto; Heikki Huttunen (ISSPA, 2001)

Removing impulse bursts from images by training-based soft morphological filtering. - Pertti T. Koivisto; Jaakko T. Astola; Vladimir V. Lukin; Vladimir P. Melnik; Oleg V. Tsymbal (Visual Information Processing, 2001)

Breakdown probabilities of recursive stack filters. - Pertti Koivisto; Olli Yli-Harja; Antti Niemistö; Ilya Shmulevich (Signal Process., 2001)

Simplified implementation of the recursive median sieve. - Olli Yli-Harja; Pertti Koivisto; J. Andrew Bangham; Gavin C. Cawley; Richard W. Harvey; Ilya Shmulevich (Signal Process., 2001)

Statistical characterization of detail preservation. - Heikki Huttunen; Pertti T. Koivisto; Antti Niemistö; Olli Yli-Harja (Image Processing: Algorithms and Systems, 2003)

Removing Impulse Bursts from Images by Training-Based Filtering. - Pertti Koivisto; Jaakko Astola; Vladimir V. Lukin; Vladimir P. Melnik; Oleg V. Tsymbal (EURASIP J. Adv. Signal Process., 2003)

Removal of impulse bursts in satellite Images. - Oleg V. Tsymbal; Volodymyr V. Lukin; Pertti Koivisto; Volodymyr P. Melnik (Int. J. Comput., 2004)