Reconstruction of 3D Vertebral Models from a Single 2D Lateral Fluoroscopic Image

Zheng, Guoyan; Nolte, Lutz -P. (2014). Reconstruction of 3D Vertebral Models from a Single 2D Lateral Fluoroscopic Image. In: Li, Shuo; Yao, Jianhua (eds.) Spinal Imaging and Image Analysis. Lecture Notes in Computational Vision and Biomechanics: Vol. 18 (pp. 349-365). Cham: Springer International Publishing 10.1007/978-3-319-12508-4_11

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Accurate three-dimensional (3D) models of lumbar vertebrae are required for image-based 3D kinematics analysis. MRI or CT datasets are frequently used to derive 3D models but have the disadvantages that they are expensive, time-consuming or involving ionizing radiation (e.g., CT acquisition). In this chapter, we present an alternative technique that can reconstruct a scaled 3D lumbar vertebral model from a single two-dimensional (2D) lateral fluoroscopic image and a statistical shape model. Cadaveric studies are conducted to verify the reconstruction accuracy by comparing the surface models reconstructed from a single lateral fluoroscopic image to the ground truth data from 3D CT segmentation. A mean reconstruction error between 0.7 and 1.4 mm was found.

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