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Unsupervised Medical Image Segmentation with Adversarial Networks: From Edge Diagrams to Segmentation Maps

2019-11-12 20:56:33
Umaseh Sivanesan, Luis H. Braga, Ranil R. Sonnadara, Kiret Dhindsa
arXiv_AI
               
Abstract

We develop and approach to unsupervised semantic medical image segmentation that extends previous work with generative adversarial networks. We use existing edge detection methods to construct simple edge diagrams, train a generative model to convert them into synthetic medical images, and construct a dataset of synthetic images with known segmentations using variations on extracted edge diagrams. This synthetic dataset is then used to train a supervised image segmentation model. We test our approach on a clinical dataset of kidney ultrasound images and the benchmark ISIC 2018 skin lesion dataset. We show that our unsupervised approach is more accurate than previous unsupervised methods, and performs reasonably compared to supervised image segmentation models. All code and trained models are available at https://github.com/kiretd/Unsupervised-MIseg.

Abstract (translated)

URL

https://arxiv.org/abs/1911.05140

PDF

https://arxiv.org/pdf/1911.05140.pdf

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