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A 3-D reconstruction system for the human jaw using a sequence of optical images

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4 Author(s)
Yamany, S.M. ; Dept. of Electr. & Comput. Eng., Louisville Univ., KY, USA ; Farag, A.A. ; Tasman, D. ; Farman, A.G.

This paper presents a model-based vision system for dentistry that will assist in diagnosis, treatment planning, and surgical simulation. Dentistry requires an accurate three-dimensional (3-D) representation of the teeth and jaws for diagnostic and treatment purposes. The proposed integrated computer vision system constructs a 3-D model of the patient's dental occlusion using an intraoral video camera. A modified shape from shading (SFS) technique, using perspective projection and camera calibration, extracts the 3-D information from a sequence of two-dimensional (2-D) images of the jaw. Data fusion of range data and 3-D registration techniques develop the complete jaw model. Triangulation is then performed, and a solid 3-D model is reconstructed. The system performance is investigated using ground truth data, and the results show acceptable reconstruction accuracy.

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Medical Imaging, IEEE Transactions on  (Volume:19 ,  Issue: 5 )