Carnegie Mellon University
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Automated colitis detection from endoscopic biopsies as a tissue screening tool in diagnostic pathology

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journal contribution
posted on 2012-01-01, 00:00 authored by Michael T. McCann, Kathleen L. McCann, Ramamurthy Bhagavatula, Matthew Fickus, John A. Ozolek, Jelena KovacevicJelena Kovacevic

We present a method for identifying colitis in colon biopsies as an extension of our framework for the automated identification of tissues in histology images. Histology is a critical tool in both clinical and research applications, yet even mundane histological analysis, such as the screening of colon biopsies, must be carried out by highly-trained pathologists at a high cost per hour, indicating a niche for potential automation. To this end, we build upon our previous work by extending the histopathology vocabulary (a set of features based on visual cues used by pathologists) with new features driven by the colitis application. We use the multiple-instance learning framework to allow our pixel-level classifier to learn from image-level training labels. The new system achieves accuracy comparable to state-of-the-art biological image classifiers with fewer and more intuitive features.


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