1. Amir, A., Argillander, J., Berg, M., Chang, S.-F., Franz, M., Hsu, W., Iyengar, G., Kender, J., Kennedy, L., Lin, C.-Y., Naphade, M., Natsev, A., Smith, J., Tesic, J., Wu, G., Yang, R., Zhang, D.: IBM research TRECVID-2004 video retrieval system. In: Proc. of TREC Video Retrieval Evaluation (2004)
2. Bilmes, J.: A gentle tutorial of the EM algorithm and its application to parameter estimation for Gaussian mixture and hidden Markov models. Technical report, Department of Electrical Engineering and Computer Science, UC Berkeley (1998)
3. Chen, Y., Wang, J.Z.: Image categorization by learning and reasoning with regions. Journal of Machine Mearning Research 5, 913–939 (2004)
4. Csurka, G., Dance, C., Fan, L., Willamowski, J., Bray, C.: Visual categorization with bags of keypoints. In: Proc. of ECCV Workshop on Statistical Learning for Computer Vision (2004)
5. Dempster, A., Laird, N., Rubin, D.: Maximum likelihood from incomplete data via the EM algorithm. Journal of the Royal Statistical Society 39(1), 1–38 (1977)