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Erschienen in:
2020 | OriginalPaper | Buchkapitel
A Visually Explainable Learning System for Skin Lesion Detection Using Multiscale Input with Attention U-Net
verfasst von : Duy Minh Ho Nguyen, Abraham Ezema, Fabrizio Nunnari, Daniel Sonntag
Erschienen in: KI 2020: Advances in Artificial Intelligence
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Abstract
In this work, we propose a new approach to automatically predict the locations of visual dermoscopic attributes for Task 2 of the ISIC 2018 Challenge. Our method is based on the Attention U-Net with multi-scale images as input. We apply a new strategy based on transfer learning, i.e., training the deep network for feature extraction by adapting the weights of the network trained for segmentation. Our tests show that, first, the proposed algorithm is on par or outperforms the best ISIC 2018 architectures (LeHealth and NMN) in the extraction of two visual features. Secondly, it uses only 1/30 of the training parameters; we observed less computation and memory requirements, which are particularly useful for future implementations on mobile devices. Finally, our approach generates visually explainable behaviour with uncertainty estimations to help doctors in diagnosis and treatment decisions.