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Proceedings Paper

CADMIUM II: combining image processing and symbolic reasoning for computer-aided diagnosis
Author(s): Paul Taylor; Eugenio Alberdi; Richard Lee; John Fox; Margarita Sordo; Andrew Todd-Pokropek
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Paper Abstract

This paper describes a prototype computer aided diagnosis system to assist in the interpretation of mammograms. The distinctive feature of our work is the combination of image processing and decision support. We wish, in our system, to relate the data in a digital image to a decision contained in a clinical guideline describing a patient's management. Our system is designed to present a user with sets of arguments for each of the possible interpretations of a feature detected on the image and for each of the possible management options that might be followed in handling the patient's care. We have carried out an extensive knowledge elicitation exercise, involving the analysis of 'think out loud' protocols obtained from expert radiologists interpreting mammograms form a carefully selected test set. The results of this analysis reveal which terms capture the most salient characteristics of calcifications. These terms will be used to construct the arguments used in the decision support provided by CADMIUM II. The final element of CADMIUM II is a library of image processing algorithms. A set of different approaches to the detection and characterization of calcifications has been implemented. The image processing is used to provide a quantitative estimate of the evidence that an image contains in support of an argument.

Paper Details

Date Published: 6 June 2000
PDF: 9 pages
Proc. SPIE 3979, Medical Imaging 2000: Image Processing, (6 June 2000); doi: 10.1117/12.387605
Show Author Affiliations
Paul Taylor, Univ. College London (United Kingdom)
Eugenio Alberdi, Univ. College London (United Kingdom)
Richard Lee, Univ. College London (United Kingdom)
John Fox, Imperial Cancer Research Fund (United Kingdom)
Margarita Sordo, Imperial Cancer Research Fund (United Kingdom)
Andrew Todd-Pokropek, Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 3979:
Medical Imaging 2000: Image Processing
Kenneth M. Hanson, Editor(s)

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