Three-dimensional (3-D) reconstruction of the spine from a single X-ray image and prior vertebra models

IEEE Transactions on Bio-medical Engineering
Justin NovosadHubert Labelle

Abstract

The lateral bending test is routinely used by clinicians for the preoperative assessment of spinal mobility. The evaluation of bending motion is usually based on the qualitative analysis of a two-dimensional (2-D) antero-posterior X-ray image. The aim of this paper is to introduce a novel three-dimensional (3-D) reconstruction technique that is a prerequisite for the quantitative 3-D analysis of lateral bending motion. An algorithm was developed for the 3-D reconstruction of the spine from a single X-ray image. The X-ray is calibrated using a small calibration object and an explicit calibration algorithm. The information contained in the single X-ray is completed by registering a priori 3-D geometric models of individual vertebrae. Part of the error yielded by the 3-D/2-D registration is corrected by a vertebral alignment constraint that aims to minimize intervertebral dislocations. Three-dimensional models of 15 different scoliosis patients, obtained from a standard stereo-radiographic 3-D reconstruction, were used in simulation and validation experiments. Experimental results show that the new method is robust and accurate. With pessimistic levels of simulated noise, the average root mean square reconstruction error is 2.89 m...Continue Reading

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Citations

May 29, 2007·Medical & Biological Engineering & Computing·Samuel KadouryHubert Labelle
May 20, 2014·Medical Engineering & Physics·Steffen SchumannGuoyan Zheng
Dec 25, 2009·International Journal of Computer Assisted Radiology and Surgery·Jalda DworzakStefan Zachow
Jul 19, 2013·IEEE Transactions on Bio-medical Engineering·Fabian LecronMohammed Benjelloun
Feb 10, 2010·IEEE Transactions on Bio-medical Engineering·Luc DuongHubert Labelle
Dec 22, 2005·IEEE Transactions on Bio-medical Engineering·Said BenameurJacques A De Guise
Jun 23, 2011·IEEE Transactions on Bio-medical Engineering·Li-Xin GuoMing Zhang

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