Krzysztof Walas, Poznan University of Technology, Poland; Marcin Cwiek, Tomasz Strzalka, Marek Wiejak, Piotr Bosowski, KP Labs, Poland; Michal Kawulok, Silesian University of Technology, Poland; Mateusz Przeliorz, KP Labs, Poland; Dominik Pieczynski, Bartosz Ptak, Krzysztof Stezala, Michal Bidzinski, Marek Kraft, Poznan University of Technology, Poland