Practical computer-aided registration of multiple, three-dimensional, magnetic-resonance observations of the human brain

Carl F. Diegert; John A. Sanders; William W. Orrison Jr.

doi:10.1117/12.162035

29 October 1993 Practical computer-aided registration of multiple, three-dimensional, magnetic-resonance observations of the human brain

Carl F. Diegert, John A. Sanders, William W. Orrison Jr.

Author Affiliations +

Proceedings Volume 2032, Neural and Stochastic Methods in Image and Signal Processing II; (1993) https://doi.org/10.1117/12.162035
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

We define a methodology for aligning multiple, three-dimensional, magnetic-resonance observations of the human brain over six degrees of freedom. The observations may be taken with disparate resolutions, pulse sequences, and orientations. The alignment method is a practical combination of off-line and interactive computation. An off-line computation first automatically performs a robust surface extraction from each observation. Second, an operator executes interactively on a graphics workstation to produce the alignment. For our experiments, we were able to complete both alignment tasks interactively, due to the quick execution of our implementation of the off-line computation on a highly-parallel supercomputer. To assess accuracy of an alignment, we also propose a consistency measure.

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Carl F. Diegert, John A. Sanders, and William W. Orrison Jr. "Practical computer-aided registration of multiple, three-dimensional, magnetic-resonance observations of the human brain", Proc. SPIE 2032, Neural and Stochastic Methods in Image and Signal Processing II, (29 October 1993); https://doi.org/10.1117/12.162035

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