R. Neßelrath, and M. Feld. Proceedings of the 10th International Conference on Intelligent Environments (IE-14), Shanghai, China, page 162--169. Los Alamitos, CA, IEEE Computer Society, (2014)
H. Pirsiavash, and D. Ramanan. Proceedings of the 2014 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Columbus, OH, USA, page 612-619. (2014)
D. Sonntag, and M. Möller. Proceedings of the Sixth International Conference on Intelligent Environments (IE 2010), Kuala Lumpur, Malaysia, page 84--89. Los Alamitos, CA, IEEE Computer Society CPS, (2010)