activity
20162023
most citedMR image reconstruction using deep density priors

171 citations · 267 across the 20 of their papers we have counts for

collaborators

23 papers

cs.LG2023★ 1 cited

Right for the Wrong Reason: Can Interpretable ML Techniques Detect Spurious Correlations?

Susu Sun, Lisa M. Koch, Christian F. Baumgartner

While deep neural network models offer unmatched classification performance, they are prone to learning spurious correlations in the data. Such dependencies on confounding informat…

eess.IV2023★ 1 cited

Uncertainty Estimation and Propagation in Accelerated MRI Reconstruction

Paul Fischer, Thomas Küstner, Christian F. Baumgartner

MRI reconstruction techniques based on deep learning have led to unprecedented reconstruction quality especially in highly accelerated settings. However, deep learning techniques a…

cs.LG2023

Deep Hypothesis Tests Detect Clinically Relevant Subgroup Shifts in Medical Images

Lisa M. Koch, Christian M. Schürch, Christian F. Baumgartner +2

Distribution shifts remain a fundamental problem for the safe application of machine learning systems. If undetected, they may impact the real-world performance of such systems or…

cs.CV2023★ 6 cited

Inherently Interpretable Multi-Label Classification Using Class-Specific Counterfactuals

Susu Sun, Stefano Woerner, Andreas Maier +2

Interpretability is essential for machine learning algorithms in high-stakes application fields such as medical image analysis. However, high-performing black-box neural networks d…

cs.CV2023

Studying Therapy Effects and Disease Outcomes in Silico using Artificial Counterfactual Tissue Samples

Martin Paulikat, Christian M. Schürch, Christian F. Baumgartner

Understanding the interactions of different cell types inside the immune tumor microenvironment (iTME) is crucial for the development of immunotherapy treatments as well as for pre…

eess.IV2023★ 4 cited

Multiscale Metamorphic VAE for 3D Brain MRI Synthesis

Jaivardhan Kapoor, Jakob H. Macke, Christian F. Baumgartner

Generative modeling of 3D brain MRIs presents difficulties in achieving high visual fidelity while ensuring sufficient coverage of the data distribution. In this work, we propose t…

eess.IV2022

Adversarial Robustness of MR Image Reconstruction under Realistic Perturbations

Jan Nikolas Morshuis, Sergios Gatidis, Matthias Hein +1

Deep Learning (DL) methods have shown promising results for solving ill-posed inverse problems such as MR image reconstruction from undersampled -space data. However, these appr…

cs.CV2022★ 11 cited

A Human-Centered Machine-Learning Approach for Muscle-Tendon Junction Tracking in Ultrasound Images

Christoph Leitner, Robert Jarolim, Bernhard Englmair +9

Biomechanical and clinical gait research observes muscles and tendons in limbs to study their functions and behaviour. Therefore, movements of distinct anatomical landmarks, such a…

eess.IV2020

Sampling possible reconstructions of undersampled acquisitions in MR imaging

Kerem C. Tezcan, Neerav Karani, Christian F. Baumgartner +1

Undersampling the k-space during MR acquisitions saves time, however results in an ill-posed inversion problem, leading to an infinite set of images as possible solutions. Traditio…

eess.IV2020

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

Krishna Chaitanya, Neerav Karani, Christian F. Baumgartner +4

Supervised learning-based segmentation methods typically require a large number of annotated training data to generalize well at test time. In medical applications, curating such d…

eess.IV2020★ 48 cited

Automated quantification of myocardial tissue characteristics from native T1 mapping using neural networks with Bayesian inference for uncertainty-based quality-control

Esther Puyol Anton, Bram Ruijsink, Christian F. Baumgartner +4

Tissue characterisation with CMR parametric mapping has the potential to detect and quantify both focal and diffuse alterations in myocardial structure not assessable by late gadol…

eess.IV2019

PHiSeg: Capturing Uncertainty in Medical Image Segmentation

Christian F. Baumgartner, Kerem C. Tezcan, Krishna Chaitanya +6

Segmentation of anatomical structures and pathologies is inherently ambiguous. For instance, structure borders may not be clearly visible or different experts may have different st…

cs.CV2019

A Partially Reversible U-Net for Memory-Efficient Volumetric Image Segmentation

Robin Brügger, Christian F. Baumgartner, Ender Konukoglu

One of the key drawbacks of 3D convolutional neural networks for segmentation is their memory footprint, which necessitates compromises in the network architecture in order to fit…

cs.CV2018

Combining Heterogeneously Labeled Datasets For Training Segmentation Networks

Jana Kemnitz, Christian F. Baumgartner, Wolfgang Wirth +3

Accurate segmentation of medical images is an important step towards analyzing and tracking disease related morphological alterations in the anatomy. Convolutional neural networks…

cs.CV2018★ 9 cited

Learning to Segment Medical Images with Scribble-Supervision Alone

Yigit B. Can, Krishna Chaitanya, Basil Mustafa +3

Semantic segmentation of medical images is a crucial step for the quantification of healthy anatomy and diseases alike. The majority of the current state-of-the-art segmentation al…

stat.ML2018★ 5 cited

A Lifelong Learning Approach to Brain MR Segmentation Across Scanners and Protocols

Neerav Karani, Krishna Chaitanya, Christian Baumgartner +1

Convolutional neural networks (CNNs) have shown promising results on several segmentation tasks in magnetic resonance (MR) images. However, the accuracy of CNNs may degrade severel…

cs.CV2018

Human-level Performance On Automatic Head Biometrics In Fetal Ultrasound Using Fully Convolutional Neural Networks

Matthew Sinclair, Christian F. Baumgartner, Jacqueline Matthew +9

Measurement of head biometrics from fetal ultrasonography images is of key importance in monitoring the healthy development of fetuses. However, the accurate measurement of relevan…

cs.CV2017★ 171 cited

MR image reconstruction using deep density priors

Kerem C. Tezcan, Christian F. Baumgartner, Roger Luechinger +2

Algorithms for Magnetic Resonance (MR) image reconstruction from undersampled measurements exploit prior information to compensate for missing k-space data. Deep learning (DL) prov…

cs.CV2017

Visual Feature Attribution using Wasserstein GANs

Christian F. Baumgartner, Lisa M. Koch, Kerem Can Tezcan +2

Attributing the pixels of an input image to a certain category is an important and well-studied problem in computer vision, with applications ranging from weakly supervised localis…

cs.CV2017

An Exploration of 2D and 3D Deep Learning Techniques for Cardiac MR Image Segmentation

Christian F. Baumgartner, Lisa M. Koch, Marc Pollefeys +1

Accurate segmentation of the heart is an important step towards evaluating cardiac function. In this paper, we present a fully automated framework for segmentation of the left (LV)…

cs.CV2016★ 8 cited

Unsupervised domain adaptation in brain lesion segmentation with adversarial networks

Konstantinos Kamnitsas, Christian Baumgartner, Christian Ledig +8

Significant advances have been made towards building accurate automatic segmentation systems for a variety of biomedical applications using machine learning. However, the performan…

cs.CV2016★ 3 cited

SonoNet: Real-Time Detection and Localisation of Fetal Standard Scan Planes in Freehand Ultrasound

Christian F. Baumgartner, Konstantinos Kamnitsas, Jacqueline Matthew +5

Identifying and interpreting fetal standard scan planes during 2D ultrasound mid-pregnancy examinations are highly complex tasks which require years of training. Apart from guiding…

cs.CV2016

Multi-Atlas Segmentation using Partially Annotated Data: Methods and Annotation Strategies

Lisa M. Koch, Martin Rajchl, Wenjia Bai +5

Multi-atlas segmentation is a widely used tool in medical image analysis, providing robust and accurate results by learning from annotated atlas datasets. However, the availability…