1. Department of Spinal Surgery Fifth Affiliated Hospital of Sun Yat‐sen University Zhuhai China
2. School of Biomedical Engineering, Southern Medical University Guangdong Provincial Key Laboratory of Medical Image Processing Guangzhou China
3. Department of Radiology Fifth Affiliated Hospital of Sun Yat‐sen University Zhuhai China
4. School of Biomedical Engineering, Sun Yat‐sen University Shenzhen China
5. School of Biomedical Engineering, Guangzhou Medical University Guangzhou China