Registration and alignment of three-dimensional images: an interactive visual approach.
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Abstract
A three-dimensional registration and alignment algorithm was developed to align single photon emission computed tomography examinations and magnetic resonance images. Operators manipulated images interactively with real-time visual feedback, with use of both internal and surface features to achieve accurate alignment. Operators aligned five brain phantom examinations (accuracy, 1.6 pixels; consistency, 0.7 pixels) and eight patient brain examinations (consistency, 0.5 pixels).
Medical subject headings
- Algorithms
- Cysteine
- Image Processing, Computer-Assisted
- Magnetic Resonance Imaging
- Tomography, Emission-Computed, Single-Photon