Title :
Surface reconstruction from planar x-ray images using moving least squares
Author :
Cresson, T. ; Godbout, B. ; Branchaud, D. ; Chav, R. ; Gravel, P. ; de Guise, J.A.
Author_Institution :
Ecole de Technologie Supÿrieure, 1100, rue Notre-Dame Ouest, Montréal (QUEBEC) CANADA H3C 1K3
Abstract :
Planar radiographs still are the gold standard for the measurement of the skeletal weight-bearing shape and posture. In this paper, we propose to use an as-rigid-as-possible deformation approach based on moving least squares to obtain 3D personalized bone models from planar x-ray images. Our prototype implementation is capable of performing interactive rate shape editing. The biplane reconstructions of both femur and vertebrae show a good accuracy when compared to CT-scan.
Keywords :
Bones; Deformable models; Gold; Image reconstruction; Least squares methods; Measurement standards; Radiography; Shape measurement; Surface reconstruction; X-ray imaging; Algorithms; Bone and Bones; Computer Simulation; Humans; Imaging, Three-Dimensional; Least-Squares Analysis; Magnetic Resonance Imaging; Models, Statistical; Radiographic Image Interpretation, Computer-Assisted; Reproducibility of Results; Surface Properties; X-Rays;
Conference_Titel :
Engineering in Medicine and Biology Society, 2008. EMBS 2008. 30th Annual International Conference of the IEEE
Conference_Location :
Vancouver, BC
Print_ISBN :
978-1-4244-1814-5
Electronic_ISBN :
1557-170X
DOI :
10.1109/IEMBS.2008.4650078
