Recognizing Magnification Levels in Microscopic Snapshots

• URL: http://arxiv.org/abs/2005.03748v1
• Date: Thu, 7 May 2020 20:48:29 GMT
• Title: Recognizing Magnification Levels in Microscopic Snapshots
• Authors: Manit Zaveri, Shivam Kalra, Morteza Babaie, Sultaan Shah, Savvas Damskinos, Hany Kashani, H.R. Tizhoosh
• Abstract summary: Digital imaging has transformed computer vision and machine learning to new tools for analyzing pathology images. Recent advances in digital imaging has transformed computer vision and machine learning to new tools for analyzing pathology images.
• Score: 2.6234848946076785
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent advances in digital imaging has transformed computer vision and machine learning to new tools for analyzing pathology images. This trend could automate some of the tasks in the diagnostic pathology and elevate the pathologist workload. The final step of any cancer diagnosis procedure is performed by the expert pathologist. These experts use microscopes with high level of optical magnification to observe minute characteristics of the tissue acquired through biopsy and fixed on glass slides. Switching between different magnifications, and finding the magnification level at which they identify the presence or absence of malignant tissues is important. As the majority of pathologists still use light microscopy, compared to digital scanners, in many instance a mounted camera on the microscope is used to capture snapshots from significant field-of-views. Repositories of such snapshots usually do not contain the magnification information. In this paper, we extract deep features of the images available on TCGA dataset with known magnification to train a classifier for magnification recognition. We compared the results with LBP, a well-known handcrafted feature extraction method. The proposed approach achieved a mean accuracy of 96% when a multi-layer perceptron was trained as a classifier.

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