Methodological study demonstrates versatile CT and MRI registration across diverse anatomical structures, highlighting broad utility for image-guided surgery.
This paper presents a versatile system for registering and visualizing computed tomography and magnetic resonance images. The system utilizes a semi-automatic, surface-based registration strategy which has proven useful for registering a number of different anatomical structures. A triangular mesh approximates surfaces in one image set while a set of surface points is used as a surface approximation in the other set. A non-linear optimization procedure determines the transformation that minimizes the total sum-squared perpendicular distance between triangles of the mesh and surface points. This system has been used without modification to successfully register images of the brain, spine and calcaneus. J Image Guid Surg 1:35-45 (1995).
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Hemler et al. (1995) studied this question.
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