Shape-based models for interactive segmentation of medical images

Kevin P. Hinshaw; Russ B. Altman; James F. Brinkley M.D.

doi:10.1117/12.208750

12 May 1995 Shape-based models for interactive segmentation of medical images

Kevin P. Hinshaw, Russ B. Altman, James F. Brinkley M.D.

Proceedings Volume 2434, Medical Imaging 1995: Image Processing; (1995) https://doi.org/10.1117/12.208750
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

Accurate image segmentation is one of the key problems in computer vision. In domains such as radiation treatment planning, dosimetrists must manually trace the outlines of a few critical structures on large numbers of images. Considerable similarity can be seen in the shape of these regions, both between adjacent slices in a particular patient and across the spectrum of patients. Consequently we should be able to model this similarity and use it to assist in the process of segmentation. Previous work has demonstrated that a constraint-based 2D radial model can capture generic shape information for certain shape classes, and can reduce user interaction by a factor of three over purely manual segmentation. Additional simulation studies have shown that a probabilistic version of the model has the potential to further reduce user interaction. This paper describes an implementation of both models in a general-purpose imaging and graphics framework and compares the usefulness of the models on several shape classes.

Citation Download Citation

Kevin P. Hinshaw, Russ B. Altman, and James F. Brinkley M.D. "Shape-based models for interactive segmentation of medical images", Proc. SPIE 2434, Medical Imaging 1995: Image Processing, (12 May 1995); https://doi.org/10.1117/12.208750

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