1. Key Laboratory of Image Information Processing and Intelligent Control
2. School of Automation
3. Huazhong University of Science and Technology
4. Wuhan 430074, China
5. College of Computer and Communication Engineering
6. China University of Petroleum
7. Qingdao 266580, China
8. Faculty of Engineering
9. Computing and Science
10. Department of Gynecology 2
11. Renming Hospital of Wuhan University
12. Wuhan 430060, China