Segmentation and visualization of multispectral medical images with interactive control of parameters for a set of unsupervised classifiers

Eileen M. McMahon; Armando Manduca; Richard A. Robb

doi:10.1117/12.208689

12 May 1995 Segmentation and visualization of multispectral medical images with interactive control of parameters for a set of unsupervised classifiers

Eileen M. McMahon, Armando Manduca, Richard A. Robb

Author Affiliations +

Proceedings Volume 2434, Medical Imaging 1995: Image Processing; (1995) https://doi.org/10.1117/12.208689
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

Multispectral classification uses registered 3-D image volumes from more than one imaging modality or from different sequences within a modality to classify tissues within those volumes. The complementary information contained within the different image volumes may allow for the separation of tissue class types in multidimensional feature space when the same tissue classes would be indistinct using just one image volume. When segmentation is complete, attributes of these classes may be determined (e.g., volumes), or the classes may be visualized as objects in 3-D. There are two main types of classification algorithms: supervised and unsupervised. Unsupervised classifiers offer the promise of totally automated classification of tissue types and calculation of tissue volumes and other tissue properties in medical images. This would have two benefits: (1) elimination of the time-consuming process of manual segmentation by medical experts, and (2) ensuring reproducible results. While accurate performance by unsupervised classifiers is, in general, still impossible, an intermediate step is the development of tools to allow users to obtain useful results in a relatively short period of time. This paper describes such a tool which allows users to quickly and easily experiment with various choices of unsupervised classification algorithms and their input parameters and evaluate the results.

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Eileen M. McMahon, Armando Manduca, and Richard A. Robb "Segmentation and visualization of multispectral medical images with interactive control of parameters for a set of unsupervised classifiers", Proc. SPIE 2434, Medical Imaging 1995: Image Processing, (12 May 1995); https://doi.org/10.1117/12.208689

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