T. Richter, P. Grube, and D. Zutin. 2012 IEEE International Symposium on Multimedia ISM 2012, page 451 - 456. Irvine, California, USA, IEEE, IEEE, (December 2012)
S. Jeschke, T. Richter, T. Isele, and O. Pfeiffer. The 10th IASTED International Conference on Signal and Image Processing ~IMSA 2008~, Kailua, Hawaii, (August 2008)
S. Berger, A. Vensmer, and S. Kiesel. Proceedings of the The Seventh International Conference on Systems and Networks Communications (ICSNC 2012), page 118 -- 123. Lisbon, Portugal, (November 2012)