1. Province-Ministry Co-construction Collaborative Innovation Center of Hebei Photovoltaic Technology College of Physics Science and Technology Hebei University 071002 Baoding Hebei P. R. China
2. MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing Nanjing University of Science and Technology 210094 Nanjing P. R China
3. Machine Vision Technology Innovation Center of Hebei Province College of Electronic and Information Engineering Hebei University 071002 Baoding Hebei P. R. China