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Abnormality detection using deep neural networks with robust quasi-norm autoencoding and semi-supervised learning | IEEE Conference Publication | IEEE Xplore

Abnormality detection using deep neural networks with robust quasi-norm autoencoding and semi-supervised learning


Abstract:

Abnormality detection in biomedical images is a one-class classification problem, where methods learn a statistical model to characterize the inlier class using training ...Show More

Abstract:

Abnormality detection in biomedical images is a one-class classification problem, where methods learn a statistical model to characterize the inlier class using training data solely from the inlier class. Typical methods (i) need well-curated training data and (ii) have formulations that are unable to utilize expert feedback through (a small amount of) labeled outliers. In contrast, we propose a novel deep neural network framework that (i) is robust to corruption and outliers in the training data, which are inevitable in real-world deployment, and (ii) can leverage expert feedback through high-quality labeled data. We introduce an autoencoder formulation that (i) gives robustness through a non-convex loss and a heavy-tailed distribution model on the residuals and (ii) enables semi-supervised learning with labeled outliers. Results on three large medical datasets show that our method outperforms the state of the art in abnormality-detection accuracy.
Date of Conference: 04-07 April 2018
Date Added to IEEE Xplore: 24 May 2018
ISBN Information:
Electronic ISSN: 1945-8452
Conference Location: Washington, DC, USA

References

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