* Swedish Symposium on Image Analysis (SSBA 2004), Uppsala, Sweden, Mar 2004
* SSBA Summer School on Digital Geometry and Mathematical Morphology, Uppsala, Sweden, Aug 2007
* SNIC Interaction 2007, Uppsala, Sweden, Nov 2007
* Swedish Symposium on Image Analysis (SSBA 2010), Uppsala, Sweden, Mar 2010
* 2nd International Conference on Visual Informatics (IVIC 2011), Selangor, Malaysia, Nov 2011
* XXI IberoAmerican Congress on Pattern Recognition (CIARP 2016), Lima, Peru, Oct 2016
* XXIV IberoAmerican Congress on Pattern Recognition (CIARP 2019), Havanna, Cuba, Oct 2019
* 26th International Conference on Pattern Recognition (ICPR 2022), Montréal, Canada, Aug 2022
* 28th International Conference on Pattern Recognition (ICPR 2026), Lyon, France, Aug 2026
* 11th International Conference on Discrete Geometry for Computer Imagery (DGCI 2003), Naples, Italy, Nov 2003
* 9th International Conference on Discrete Geometry for Computer Imagery (DGCI 2000), Uppsala, Sweden, Dec 2000
* 5th EGEE User Forum 2010, Uppsala, Sweden, Apr 2010
* 35th CERN School of Computing, Uppsala, Sweden, Aug 2012
* 22nd International Conference on Pattern Recognition (ICPR 2014), Stockholm, Sweden, Aug 2014
* 24th International Conference on Pattern Recognition (ICPR 2018), Beijing, China, Aug 2018
* CERN School of Computing, 2011-2012
* Swedish Symposium on Image Analysis (SSBA 2016), Uppsala, Sweden, Mar 2016
* 1st International Conference on Discrete Geometry and Mathematical Morphology (DGMM 2021), virtual Uppsala, Sweden, May 2021
Reviewer at numerous conferences are not listed.
* 13th Scandinavian Conference on Image Analysis (SCIA 2003), Göteborg, Sweden, Jun 2003
* 17th International Conference on Pattern Recognition (ICPR 2004), Cambridge, United Kingdom, Aug 2004
* 10th International Workshop on Combinatorial Image Analysis (IWCIA 2004), Auckland, New Zealand, Dec 2004
* 12th International Conference on Discrete Geometry for Computer Imagery (DGCI 2005), Poitiers, France, Apr 2005
* 14th Scandinavian Conference on Image Analysis (SCIA 2005), Joensuu, Finland, Jun 2005
* 11th International Workshop on Combinatorial Image Analysis (IWCIA 2006), Berlin, Germany, Jun 2006
* 18th International Conference on Pattern Recognition (ICPR 2006), Hong Kong, Aug 2006
* 3rd International Conference on Image Analysis and Recognition (ICIAR 2006), Portugal, Sep 2006
* 13th International Conference on Discrete Geometry for Computer Imagery (DGCI 2006), Szeged, Hungary, Oct 2006
* 15th Scandinavian Conference on Image Analysis (SCIA 2007), Aalborg, Denmark, Jun 2007
* 12th International Conference on Computer Analysis of Images and Patterns (CAIP 2007), Vienna, Austria, Aug 2007
* 10th MICCAI 2007 workshop on Interaction in Medical Image Analysis and Visualization, Brisbane, Australia, Nov 2007
* 14th International Conference on Discrete Geometry for Computer Imagery (DGCI 2008), Lyon, France, Apr 2008
* 19th International Conference on Pattern Recognition (ICPR 2008), Tampa, Florida, USA, Dec 2008
* 2nd Workshop on UnConventional High Performance Computing (UCHPC'09), Ischia, Italy, May 2009
* 31st Eurographics 2010, Norrköping, May 2010
* 20th ICPR Workshop on Applications of Digital Geometry and Mathematical Morphology 2010, Istanbul, Turkey, Aug 2010
* 20th International Conference on Pattern Recognition (ICPR 2010), Istanbul, Turkey, Aug 2010
* 3rd Workshop on UnConventional High Performance Computing (UCHPC'10), Ischia, Italy, Aug 2010
* 10th Int. Conf. on Pattern Recognition and Image Analysis (PRIA-10-2010), St Petersburg, Russian Federation, Dec 2010
* 17th Scandinavian Conference on Image Analysis (SCIA 2011), Ystad Saltsjöbad, Sweden, May 2011
* 10th IEEE International Conference on e-Science, São Paulo, Brazil, Oct 2014
* 11th IEEE International Conference on e-Science, München, Germany, Aug-Sep 2015
* 20th Scandinavian Conference on Image Analysis (SCIA 2017), Tromsoe, Norway, Jun 2017
* 22nd Medical Image Understanding and Analysis (MIUA 2018), Southampton, UK, Jul 2018
* 14th Int. Conf. on Signal Image Tech. and Internet-based Systems (SITIS 2018), Las Palmas de Gran Canaria, Nov 2018
* 14th International Conference on Pattern Recognition and Image Processing (PRIP 2019), Minsk, Belarus, May 2019
* 21st Scandinavian Conference on Image Analysis (SCIA 2019), Norrköping, Sweden, Jun 2019
* 15th Int. Joint Conf. on Comp. Vision, Imaging and Comp. Graphics Theory and Appl. (VISIGRAPP 2020), Valletta, Malta, Feb 2020
* 16th Int. Joint Conf. on Comp. Vision, Imaging and Comp. Graphics Theory and Appl. (VISIGRAPP 2021), Vienna, Austria, Feb 2021
Many conferences were cancelled in 2020 and 2021 due to the Corona pandemic.
After that my focus has been on other conference roles.
Invited speaker at several national (scientific and organisational) events in Sweden and abroad are not listed.
* DIMACS Workshop on Discrete Mathematical Problems with Medical Applications, Rutgers, NJ, USA, Dec 1999
* PRIP 2009, Minsk, Belarus, May 2009
* Bio-IT 2009, Hannover, Germany, Oct 2009
* Bio-IT 2010, Hannover, Germany, Oct 2010
* IVIC 2011, Selangor, Malaysia, Nov 2011
* PRIP 2016, Minsk, Belarus, Oct 2016
* MIUA 2017, Edinburgh, UK, Jul 2017
* CIARP 2017, Valparaiso, Chile, Nov 2017
* MITA 2023, Ostrava, Czech Republic, July 2023