1. Key Laboratory of Image Information Processing and Intelligent Control
2. School of Automation
3. Huazhong University of Science and Technology
4. Wuhan, China
5. Department of Obstetrics and Gynecology
6. Renmin Hospital of Wuhan University
7. Wuhan 430060, China
8. College of Computer & Communication Engineering
9. China University of Petroleum
10. Qingdao 266580, China
11. School of Electrical and Information Engineering
12. Henan Key Lab of Information-Based Electrical Appliances
13. Zhengzhou University of Light Industry
14. Zhengzhou, China