Search Results for author: Laurens Hogeweg

Found 4 papers, 1 papers with code

Adversarial Heart Attack: Neural Networks Fooled to Segment Heart Symbols in Chest X-Ray Images

no code implementations31 Mar 2021 Gerda Bortsova, Florian Dubost, Laurens Hogeweg, Ioannis Katramados, Marleen de Bruijne

Previous studies have shown that it is possible to adversarially manipulate automated segmentations produced by neural networks in a targeted manner in the white-box attack setting.

Semantic Segmentation

Semi-Supervised Medical Image Segmentation via Learning Consistency under Transformations

no code implementations4 Nov 2019 Gerda Bortsova, Florian Dubost, Laurens Hogeweg, Ioannis Katramados, Marleen de Bruijne

In this paper, we propose a novel semi-supervised method that, in addition to supervised learning on labeled training images, learns to predict segmentations consistent under a given class of transformations on both labeled and unlabeled images.

Image Segmentation Segmentation +2

Deep Learning from Label Proportions for Emphysema Quantification

no code implementations23 Jul 2018 Gerda Bortsova, Florian Dubost, Silas Ørting, Ioannis Katramados, Laurens Hogeweg, Laura Thomsen, Mathilde Wille, Marleen de Bruijne

We propose an end-to-end deep learning method that learns to estimate emphysema extent from proportions of the diseased tissue.

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