Search Results for author: Melanie Roschewitz

Found 3 papers, 2 papers with code

Counterfactual contrastive learning: robust representations via causal image synthesis

1 code implementation14 Mar 2024 Melanie Roschewitz, Fabio De Sousa Ribeiro, Tian Xia, Galvin Khara, Ben Glocker

Contrastive pretraining is well-known to improve downstream task performance and model generalisation, especially in limited label settings.

Contrastive Learning counterfactual +2

Robust semi-supervised segmentation with timestep ensembling diffusion models

no code implementations13 Nov 2023 Margherita Rosnati, Melanie Roschewitz, Ben Glocker

Medical image segmentation is a challenging task, made more difficult by many datasets' limited size and annotations.

Denoising Image Segmentation +3

Risk of Bias in Chest Radiography Deep Learning Foundation Models

2 code implementations7 Sep 2022 Ben Glocker, Charles Jones, Melanie Roschewitz, Stefan Winzeck

Purpose: To analyze a recently published chest radiography foundation model for the presence of biases that could lead to subgroup performance disparities across biological sex and race.

Decision Making Dimensionality Reduction

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