Search Results for author: David Kügler

Found 10 papers, 4 papers with code

VINNA for Neonates -- Orientation Independence through Latent Augmentations

no code implementations29 Nov 2023 Leonie Henschel, David Kügler, Lilla Zöllei, Martin Reuter

However, these transformations in the image space still require resampling, reducing accuracy specifically in the context of label interpolation.

MRI segmentation Segmentation

Estimating Head Motion from MR-Images

1 code implementation28 Feb 2023 Clemens Pollak, David Kügler, Martin Reuter

Head motion is an omnipresent confounder of magnetic resonance image (MRI) analyses as it systematically affects morphometric measurements, even when visual quality control is performed.

Motion Estimation

Identifying and Combating Bias in Segmentation Networks by leveraging multiple resolutions

1 code implementation29 Jun 2022 Leonie Henschel, David Kügler, Derek S Andrews, Christine W Nordahl, Martin Reuter

We analyse how this resolution-bias in the data distribution propagates to systematically biased predictions for group L at higher resolutions.

Learning Anatomical Segmentations for Tractography from Diffusion MRI

no code implementations9 Sep 2020 Christian Ewert, David Kügler, Anastasia Yendiki, Martin Reuter

Here, we introduce fast, deep learning-based segmentation of 170 anatomical regions directly on diffusion-weighted MR images, removing the dependency of conventional segmentation methods on T 1-weighted images and slow pre-processing pipelines.

Segmentation

AutoSNAP: Automatically Learning Neural Architectures for Instrument Pose Estimation

1 code implementation26 Jun 2020 David Kügler, Marc Uecker, Arjan Kuijper, Anirban Mukhopadhyay

Despite recent successes, the advances in Deep Learning have not yet been fully translated to Computer Assisted Intervention (CAI) problems such as pose estimation of surgical instruments.

Pose Estimation

Exploring Adversarial Examples: Patterns of One-Pixel Attacks

no code implementations25 Jun 2018 David Kügler, Alexander Distergoft, Arjan Kuijper, Anirban Mukhopadhyay

Failure cases of black-box deep learning, e. g. adversarial examples, might have severe consequences in healthcare.

Pose Estimation

How Bad is Good enough: Noisy annotations for instrument pose estimation

no code implementations20 Jun 2018 David Kügler, Anirban Mukhopadhyay

In the application of surgical instrument pose estimation, where precision has a direct clinical impact on patient outcome, studying the effect of \emph{noisy annotations} on deep learning pose estimation techniques is of supreme importance.

Pose Estimation regression

i3PosNet: Instrument Pose Estimation from X-Ray in temporal bone surgery

no code implementations26 Feb 2018 David Kügler, Jannik Sehring, Andrei Stefanov, Igor Stenin, Julia Kristin, Thomas Klenzner, Jörg Schipper, Anirban Mukhopadhyay

Purpose: Accurate estimation of the position and orientation (pose) of surgical instruments is crucial for delicate minimally invasive temporal bone surgery.

Image Registration Pose Estimation +2

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