Search Results for author: Melanie Bernhardt

Found 5 papers, 4 papers with code

Algorithmic encoding of protected characteristics in image-based models for disease detection

1 code implementation27 Oct 2021 Ben Glocker, Charles Jones, Melanie Bernhardt, Stefan Winzeck

We explore test set resampling, transfer learning, multitask learning, and model inspection to assess the relationship between the encoding of protected characteristics and disease detection performance across subgroups.

Decision Making Transfer Learning

Active label cleaning for improved dataset quality under resource constraints

1 code implementation1 Sep 2021 Melanie Bernhardt, Daniel C. Castro, Ryutaro Tanno, Anton Schwaighofer, Kerem C. Tezcan, Miguel Monteiro, Shruthi Bannur, Matthew Lungren, Aditya Nori, Ben Glocker, Javier Alvarez-Valle, Ozan Oktay

Imperfections in data annotation, known as label noise, are detrimental to the training of machine learning models and have an often-overlooked confounding effect on the assessment of model performance.

Hierarchical Analysis of Visual COVID-19 Features from Chest Radiographs

1 code implementation14 Jul 2021 Shruthi Bannur, Ozan Oktay, Melanie Bernhardt, Anton Schwaighofer, Rajesh Jena, Besmira Nushi, Sharan Wadhwani, Aditya Nori, Kal Natarajan, Shazad Ashraf, Javier Alvarez-Valle, Daniel C. Castro

Chest radiography has been a recommended procedure for patient triaging and resource management in intensive care units (ICUs) throughout the COVID-19 pandemic.

Management

Training Variational Networks with Multi-Domain Simulations: Speed-of-Sound Image Reconstruction

no code implementations25 Jun 2020 Melanie Bernhardt, Valery Vishnevskiy, Richard Rau, Orcun Goksel

In this work, we present for the first time a VN solution for a pulse-echo SoS image reconstruction problem using diverging waves with conventional transducers and single-sided tissue access.

Domain Adaptation Image Reconstruction +1

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