• 1. Institute of Biomedical Manufacturing and Life Quality Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
  • 2. Crawford Door(Kunshan) Co., Ltd, Kunshan 215301, China;
  • 3. Shanghai First People's Hospital, Shanghai 200080, China;
WANGDongmei, Email: dmwang@sjtu.edu.cn
Export PDF Favorites Scan Get Citation

This paper presents a unit free-form deformation (FFD) method applied to rapid three-dimensioanl (3D) bone reconstruction, which was based on traditional FFD. With the femur as an example, we reconstructed a 3D model of femur from two X-ray images and a standardized model by taking advantage of unit FFD algorithm. The X-ray images and its parameters were taken by C-arm device. Those parameters and X-ray contour are contributed to 3D reconstruction. The out contours of X-ray image and standard model were connected by point matching algorithm. The unit-FFD lattice was built to reconstruct standard model and finally made the contour of X-ray image and standard model exactly the same. Experiments on shape accuracy, robustness and time consuming, carried out by 35 specimen from cadaver, showed that mean error of shape (0.52 mm) and mean construction time (112 s) were lower than those using traditional method (0.7-2.6 mm, 8-20 min). The method proposed in this paper shows a good prospect in clinical application and related research.

Citation: ZENGXiangsen, ZHOUHai, WANGChengtao, WANGDongmei, CHENGong. Application of Free-form Deformation Algorithm in Fast Three-dimensioanl Bone Reconstruction. Journal of Biomedical Engineering, 2014, 31(5): 1121-1126. doi: 10.7507/1001-5515.20140211 Copy

  • Previous Article

    Application of Computer-aided Diagnosis in Early Detection of Pulmonary Nodules Based on Digital Chest Radiograph
  • Next Article

    Research on Visualization of Ultrasonic Rhinitis Therapeutic Apparatus Based on V4L2