Title
Machine learning for segmenting cells in corneal endothelium images.
Abstract
Images of the endothelial cell layer of the cornea can be used to evaluate corneal health. Quantitative biomarkers extracted from these images such as cell density, coefficient of variation of cell area, and cell hexagonality are commonly used to evaluate the status of the endothelium. Currently, fully-automated endothelial image analysis systems in use often give inaccurate results, while semi-automated methods, requiring trained image analysis readers to identify cells manually, are both challenging and time-consuming. We are investigating two deep learning methods to automatically segment cells in such images. We compare the performance of two deep neural networks, namely U-Net and SegNet. To train and test the classifiers, a dataset of 130 images was collected, with expert reader annotated cell borders in each image. We applied standard training and testing techniques to evaluate pixel-wise segmentation performance, and report corresponding metrics such as the Dice and Jaccard coefficients. Visual evaluation of results showed that most pixel-wise errors in the U-Net were rather non-consequential. Results from the U-Net approach are being applied to create endothelial cell segmentations and quantify important morphological measurements for evaluating cornea health.
Year
DOI
Venue
2019
10.1117/12.2513580
Proceedings of SPIE
Keywords
Field
DocType
deep learning,endothelial cell segmentation,cornea
Biomedical engineering,Corneal endothelium,Medicine
Conference
Volume
ISSN
Citations 
10950
0277-786X
0
PageRank 
References 
Authors
0.34
0
6
Name
Order
Citations
PageRank
Chaitanya Kolluru101.35
Beth A. Benetz200.34
Naomi Joseph300.34
Harry J. Menegay400.34
Jonathan H. Lass500.34
Wilson, D.693.57