1. School of Computer Science and Engineering, Faculty of Innovation Engineering, Macau University of Science and Technology, Macau, China
2. Department of Broadband Communication, Peng Cheng Laboratory, Shenzhen, China
3. Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ, USA
4. Engineering Research Center of Digital Forensics of Ministry of Education and the School of Computer Science, Nanjing University of Information Science and Technology, Nanjing, China