1. Katsaggelos, K., Bahaadini, S., Molina, R.: Audiovisual fusion: challenges and new approaches. Proc. IEEE 103(9), 1635–1653 (2015)
2. Corradini, A., Mehta, M., Bernsen, N.O., Martin, J., Abrilian, S.: Multimodal input fusion in human-computer interaction. Nato Sci. Ser. Comput. Syst. Sci. 198, 223 (2005)
3. Lahat, D., Adall, T., Jutten, C.: Challenges in multimodal data fusion. In: Proceedings of the European Signal Processing Conference, pp. 101–105 (2014)
4. Shao, X., Barker, J.: Stream weight estimation for multistream audio-visual speech recognition in a multispeaker environment. Speech Commun. 50(4), 337–353 (2008)
5. Chitu, A.G., Rothkrantz, L.J.M.: The influence of video sampling rate on lipreading performance. In: Proceedings of the International Conference on Speech and Computer, SPECOM 2007, Moscow, Russia, pp. 678–684 (2007)