1. Jiangsu Vocational Institute of Architectural Technology, Xuzhou 221116, P. R. China
2. JiangSu Collaborative Innovation Center for Building Energy Saving and Construction Technology, Xuzhou 221116, P. R. China
3. IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou 221116, P. R. China
4. Jiangsu Province Engineering Research Center of Intelligent, Visual Recognition and Data Mining, Xuzhou 221000, P. R. China