1. LAAS-CNRS, Université de Toulouse, 31400 Toulouse, France, and Faculty of Electrical Engineering, Czech Technical University in Prague, 166 27 Prague, Czechia.
2. Czech Academy of Sciences, Institute of Information Theory and Automation, 182 08 Prague, Czechia, and Faculty of Civil Engineering, Czech Technical University in Prague, 166 27 Prague, Czechia.
3. Department of Mathematics and Statistics, UiT The Arctic University of Norway, 9019 Tromsø, Norway.