机译:
Life Quality via Mechanical Eng. Institute, School of Mechanical Eng. ,Shanghai Jiaotong Univ. , Shanghai 200030, China;
Life Quality via Mechanical Eng. Institute, School of Mechanical Eng. ,Shanghai Jiaotong Univ. , Shanghai 200030, China;
Life Quality via Mechanical Eng. Institute, School of Mechanical Eng. ,Shanghai Jiaotong Univ. , Shanghai 200030, China;
Life Quality via Mechanical Eng. Institute, School of Mechanical Eng. ,Shanghai Jiaotong Univ. , Shanghai 200030, China;
Orthopaedics, Zhongshan Hospital Affiliated to Fudan Univ. , Shanghai 200433, China;
C-arm; orthopaedic surgery; marker image; binarization; gray-scale threshold;