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Computer Science > Computer Vision and Pattern Recognition

arXiv:1807.08601 (cs)
[Submitted on 23 Jul 2018]

Title:Deep Learning from Label Proportions for Emphysema Quantification

Authors:Gerda Bortsova, Florian Dubost, Silas Ørting, Ioannis Katramados, Laurens Hogeweg, Laura Thomsen, Mathilde Wille, Marleen de Bruijne
View a PDF of the paper titled Deep Learning from Label Proportions for Emphysema Quantification, by Gerda Bortsova and 7 other authors
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Abstract:We propose an end-to-end deep learning method that learns to estimate emphysema extent from proportions of the diseased tissue. These proportions were visually estimated by experts using a standard grading system, in which grades correspond to intervals (label example: 1-5% of diseased tissue). The proposed architecture encodes the knowledge that the labels represent a volumetric proportion. A custom loss is designed to learn with intervals. Thus, during training, our network learns to segment the diseased tissue such that its proportions fit the ground truth intervals. Our architecture and loss combined improve the performance substantially (8% ICC) compared to a more conventional regression network. We outperform traditional lung densitometry and two recently published methods for emphysema quantification by a large margin (at least 7% AUC and 15% ICC), and achieve near-human-level performance. Moreover, our method generates emphysema segmentations that predict the spatial distribution of emphysema at human level.
Comments: Accepted to MICCAI 2018
Subjects: Computer Vision and Pattern Recognition (cs.CV)
Cite as: arXiv:1807.08601 [cs.CV]
  (or arXiv:1807.08601v1 [cs.CV] for this version)
  https://doi.org/10.48550/arXiv.1807.08601
arXiv-issued DOI via DataCite

Submission history

From: Gerda Bortsova [view email]
[v1] Mon, 23 Jul 2018 13:34:01 UTC (496 KB)
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Gerda Bortsova
Florian Dubost
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