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A comparative analysis of similarity mapping and eigenimaging as applied to dynamic MR imaging of a low grade
J Rogowska1, K Preston, H J Aronen
1Department of Radiology, Massachusetts General Hospital/Harvard University, Boston.
Acta Radiologica (Stockholm, Sweden : 1987)
|July 1, 1994
Abstract:
This paper compares the abilities of similarity mapping and eigenimaging for the purpose of identifying (segmenting) different image structures in dynamic MR imaging. As an illustrative example a case of dynamic images with a low grade astrocytoma was chosen. It was found that the similarity mapping was more successful than eigenimaging in determining the extent and position of a low grade astrocytoma. Also, similarity mapping was able to identify another region with a different and uncorrelated temporal pattern that was later diagnosed as a cyst.