3-D deformable models for femur shape recovery from volumetric images

A new scheme for femur shape recovery from volumetric images using deformable models was proposed. First, prior 3D deformable femur models are created as templates using point distribution models technology. Second, active contour models are employed to segment the magnetic resonance imaging (MRI) volumetric images of the tibial and femoral joint and the deformable models are initialized based on the segmentation results. Finally, the objective function is minimized to give the optimal results constraining the surface of shapes.