Construction and Application of Indoor Video Surveillance System Based on Human Activity RecognitionYuchen Wang, Mantao Wang, Zhouyu Tan, Jie Zhang, Zhiyong Li, Jiong Mu, Zhihao Zhou and Lixing LuoMATEC Web Conf., 232 (2018) 04024DOI: https://doi.org/10.1051/matecconf/201823204024