Pattern Recognition and Machine Intelligence 6th International Conference, PReMI 2015, Warsaw, Poland, June 30 - July 3, 2015, Proceedings - Kryszkiewicz, Marzena; Bandyopadhyay, Sanghamitra; Rybinski, Henryk; Pal, Sankar K. (Springer International Publishing : Imprint: Springer, 2015)