Journal
COMPUTERIZED MEDICAL IMAGING AND GRAPHICS
Volume 27, Issue 4, Pages 255-265Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0895-6111(02)00091-5
Keywords
medical imaging; nonlinear transformation; thin-plate splines; visualization; ultrasound; surgery
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We have contributed an efficient, object-oriented implementation of 3D nonlinear transformations to the Visualization Toolkit that can be applied to a wide variety of data types, including images and polygonal meshes. The transformations are performed via thin-plate splines or via interpolation of a regular lattice of displacement vectors, and are part of a framework that is easily extensible to other nonlinear transformation types. In this paper we demonstrate application of these transformations in medical imaging in general and image-guided surgery in particular, and present a series of performance benchmarks. (C) 2002 Elsevier Science Ltd. All rights reserved.
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