1. Mathur, G., Bundele, M.: Research on intelligent video surveillance techniques for suspicious activity detection critical review. In: IEEE International Conference on Recent Advances and Innovations in Engineering 2016 (ICRAIE-2016), 23–25 December, Jaipur (2016)
2. Tong, Y., Chen, R., Gao, J.: Hidden state conditional random field for abnormal activity recognition in smart homes. Entropy 17, 1358–1378 (2015)
3. Wang, C., Zheng, Q., Peng, Y., De, D., Song, W.-Z.: Distributed abnormal activity detection in smart environments. Int. J. Distrib. Sensor Netw. 2014, Article ID 283197, 1–15 (2014)
4. Hua, D.H., Zhang, X.-X., Yinc, J., Zhenga, V.W., Yang, Q.: Abnormal activity recognition based on HDP-HMM models. In: International Joint Conference on Artificial Intelligence (2009)
5. Kwolek, B., Kepski, M.: Human fall detection on embedded platform using depth maps and wireless accelerometer. Comput. Methods Programs Biomed. 117(3), 489–501 (2014)