Search Results for author: Olivio Donati

Found 4 papers, 4 papers with code

Constrained Optimization to Train Neural Networks on Critical and Under-Represented Classes

1 code implementation NeurIPS 2021 Sara Sangalli, Ertunc Erdil, Andreas Hoetker, Olivio Donati, Ender Konukoglu

Such class imbalance is ubiquitous in clinical applications and very crucial to handle because the classes with fewer samples most often correspond to critical cases (e. g., cancer) where misclassifications can have severe consequences.

Binary Classification Multi-class Classification

Semi-supervised Task-driven Data Augmentation for Medical Image Segmentation

1 code implementation9 Jul 2020 Krishna Chaitanya, Neerav Karani, Christian F. Baumgartner, Ertunc Erdil, Anton Becker, Olivio Donati, Ender Konukoglu

In this work, we propose a novel task-driven data augmentation method for learning with limited labeled data where the synthetic data generator, is optimized for the segmentation task.

Data Augmentation Image Segmentation +3

Semi-Supervised and Task-Driven Data Augmentation

1 code implementation11 Feb 2019 Krishna Chaitanya, Neerav Karani, Christian Baumgartner, Olivio Donati, Anton Becker, Ender Konukoglu

However, there is potential to improve the approach by (i) explicitly modeling deformation fields (non-affine spatial transformation) and intensity transformations and (ii) leveraging unlabelled data during the generative process.

Data Augmentation Segmentation

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