Background and activities

Scientific, academic and artistic work

Displaying a selection of activities. See all publications in the database





  • Finlayson, Graham; Mackiewicz, Michal; Rivertz, Hans Jakob. (2016) Computing the object colour solid using spherical sampling. PICS 2016 . Progress in Colour Studies; University College London. 2016-09-14 - 2016-09-16.


  • Alsam, Ali; Farup, Ivar; Rivertz, Hans Jakob. (2015) Iterative sharpening for image contrast enhancement. 2015 Colour and Visual Computing Symposium (CVCS).
  • Alsam, Ali; Rivertz, Hans Jakob. (2015) Fast scale space image decomposition. IWSSIP 2015, 22nd International Conference on Systems, Signals and Image Processing; 10 – 12 September 2015, London, United Kingdom.
  • Rivertz, Hans Jakob. (2015) Self-similar aperiodic patterns with 9-fold symmetry. Journal of Number Theory. vol. 155.


  • Eschenburg, Jost-Hinrich; Rivertz, Hans Jakob. (2014) Self similarity of dihedral tilings. Journal of Algebra. vol. 405.
  • Rivertz, Hans Jakob; Alsam, Ali. (2014) Drawing Parrots with Charcoal. Image Analysis and Recognition, 11th International Conference, ICIAR 2014, Vilamoura, Portugal, October 22-24, 2014, Proceedings, Part I.