activity
20192026
most citedDeep Reinforcement Learning for Organ Localization in CT

24 citations · 68 across the 25 of their papers we have counts for

collaborators

27 papers

cs.CV2026

nnFoundation: 3D Foundation Models for Radiology

Constantin Ulrich Harsy, Tassilo Wald, Karol Gotkowski +80

Radiological artificial intelligence has advanced rapidly, yet most systems remain narrowly task-specific, data-intensive, and fragile under domain shift. Foundation models promise…

cs.CV2026

Graph Representation Learning of Longitudinal Medical Imaging Trajectories for Treatment Response Prediction

Johannes Kiechle, Richard Osuala, Daniel M. Lang +5

In patients with breast cancer, pathological complete response (pCR) has been established as a clinically meaningful surrogate marker for long-term outcomes. While commonly treated…

cs.CL2026

Atomic Fact-Checking Increases Clinician Trust in Large Language Model Recommendations for Oncology Decision Support: A Randomized Controlled Trial

Lisa C. Adams, Linus Marx, Erik Thiele Orberg +8

Question: Does atomic fact-checking, which decomposes AI treatment recommendations into individually verifiable claims linked to source guideline documents, increase clinician trus…

cs.CV2026

Deep-Learning Atlas Registration for Melanoma Brain Metastases: Preserving Pathology While Enabling Cohort-Level Analyses

Nanna E. Wielenberg, Ilinca Popp, Oliver Blanck +6

Melanoma brain metastases (MBM) are common and spatially heterogeneous lesions, complicating cohort-level analyses due to anatomical variability and differing MRI protocols. We pro…

cs.CV2026

LocBAM: Advancing 3D Patch-Based Image Segmentation by Integrating Location Contex

Donnate Hooft, Stefan M. Fischer, Cosmin Bercea +2

Patch-based methods are widely used in 3D medical image segmentation to address memory constraints in processing high-resolution volumetric data. However, these approaches often ne…

eess.IV2025

TomoGraphView: 3D Medical Image Classification with Omnidirectional Slice Representations and Graph Neural Networks

Johannes Kiechle, Stefan M. Fischer, Daniel M. Lang +5

The sharp rise in medical tomography examinations has created a demand for automated systems that can reliably extract informative features for downstream tasks such as tumor chara…

cs.CV2025

Progressive Growing of Patch Size: Curriculum Learning for Accelerated and Improved Medical Image Segmentation

Stefan M. Fischer, Johannes Kiechle, Laura Daza +6

In this work, we introduce Progressive Growing of Patch Size, an automatic curriculum learning approach for 3D medical image segmentation. Our approach progressively increases the…

cs.CV2025

MultiMAE for Brain MRIs: Robustness to Missing Inputs Using Multi-Modal Masked Autoencoder

Ayhan Can Erdur, Christian Beischl, Daniel Scholz +4

Missing input sequences are common in medical imaging data, posing a challenge for deep learning models reliant on complete input data. In this work, inspired by MultiMAE [2], we d…

eess.IV2025

MM-DINOv2: Adapting Foundation Models for Multi-Modal Medical Image Analysis

Daniel Scholz, Ayhan Can Erdur, Viktoria Ehm +4

Vision foundation models like DINOv2 demonstrate remarkable potential in medical imaging despite their origin in natural image domains. However, their design inherently works best…

eess.IV2025

Contrastive Anatomy-Contrast Disentanglement: A Domain-General MRI Harmonization Method

Daniel Scholz, Ayhan Can Erdur, Robbie Holland +4

Magnetic resonance imaging (MRI) is an invaluable tool for clinical and research applications. Yet, variations in scanners and acquisition parameters cause inconsistencies in image…

eess.IV2025

CADS: A Comprehensive Anatomical Dataset and Segmentation for Whole-Body Anatomy in Computed Tomography

Murong Xu, Tamaz Amiranashvili, Fernando Navarro +30

Accurate delineation of anatomical structures in volumetric CT scans is crucial for diagnosis and treatment planning. While AI has advanced automated segmentation, current approach…

cs.CV2025

BrainLesion Suite: A Flexible and User-Friendly Framework for Modular Brain Lesion Image Analysis

Florian Kofler, Marcel Rosier, Mehdi Astaraki +26

BrainLesion Suite is a versatile toolkit for building modular brain lesion image analysis pipelines in Python. Following Pythonic principles, BrainLesion Suite is designed to provi…

cs.CV2025

Enhancing efficiency in paediatric brain tumour segmentation using a pathologically diverse single-center clinical dataset

A. Piffer, J. A. Buchner, A. G. Gennari +11

Background Brain tumours are the most common solid malignancies in children, encompassing diverse histological, molecular subtypes and imaging features and outcomes. Paediatric bra…

cs.CL2025★ 1 cited

Improving Reliability and Explainability of Medical Question Answering through Atomic Fact Checking in Retrieval-Augmented LLMs

Juraj Vladika, Annika Domres, Mai Nguyen +10

Large language models (LLMs) exhibit extensive medical knowledge but are prone to hallucinations and inaccurate citations, which pose a challenge to their clinical adoption and reg…

cs.CV2024★ 2 cited

Graph Neural Networks: A suitable Alternative to MLPs in Latent 3D Medical Image Classification?

Johannes Kiechle, Daniel M. Lang, Stefan M. Fischer +3

Recent studies have underscored the capabilities of natural imaging foundation models to serve as powerful feature extractors, even in a zero-shot setting for medical imaging data.…

cs.CV2024

Progressive Growing of Patch Size: Resource-Efficient Curriculum Learning for Dense Prediction Tasks

Stefan M. Fischer, Lina Felsner, Richard Osuala +4

In this work, we introduce Progressive Growing of Patch Size, a resource-efficient implicit curriculum learning approach for dense prediction tasks. Our curriculum approach is defi…

cs.CV2024★ 4 cited

Mask the Unknown: Assessing Different Strategies to Handle Weak Annotations in the MICCAI2023 Mediastinal Lymph Node Quantification Challenge

Stefan M. Fischer, Johannes Kiechle, Daniel M. Lang +2

Pathological lymph node delineation is crucial in cancer diagnosis, progression assessment, and treatment planning. The MICCAI 2023 Lymph Node Quantification Challenge published th…

physics.med-ph2024

Prediction of Local Failure after Stereotactic Radiotherapy in Melanoma Brain Metastases Using Ensemble Learning on Clinical, Dosimetric, and Radiomic Data

Nanna E. Hartong, Ilias Sachpazidis, Oliver Blanck +9

Background: This study aimed to predict lesion-specific outcomes after stereotactic radiotherapy (SRT) in patients with brain metastases from malignant melanoma (MBM), using clinic…

eess.IV2023

All Sizes Matter: Improving Volumetric Brain Segmentation on Small Lesions

Ayhan Can Erdur, Daniel Scholz, Josef A. Buchner +3

Brain metastases (BMs) are the most frequently occurring brain tumors. The treatment of patients having multiple BMs with stereo tactic radiosurgery necessitates accurate localizat…

eess.IV2023

Interpretable 2D Vision Models for 3D Medical Images

Alexander Ziller, Ayhan Can Erdur, Marwa Trigui +9

Training Artificial Intelligence (AI) models on 3D images presents unique challenges compared to the 2D case: Firstly, the demand for computational resources is significantly highe…

cs.CV2022★ 20 cited

blob loss: instance imbalance aware loss functions for semantic segmentation

Florian Kofler, Suprosanna Shit, Ivan Ezhov +14

Deep convolutional neural networks (CNN) have proven to be remarkably effective in semantic segmentation tasks. Most popular loss functions were introduced targeting improved volum…

cs.CV2022

A unified 3D framework for Organs at Risk Localization and Segmentation for Radiation Therapy Planning

Fernando Navarro, Guido Sasahara, Suprosanna Shit +4

Automatic localization and segmentation of organs-at-risk (OAR) in CT are essential pre-processing steps in medical image analysis tasks, such as radiation therapy planning. For in…

cs.CV2021★ 17 cited

Evaluating the Robustness of Self-Supervised Learning in Medical Imaging

Fernando Navarro, Christopher Watanabe, Suprosanna Shit +4

Self-supervision has demonstrated to be an effective learning strategy when training target tasks on small annotated data-sets. While current research focuses on creating novel pre…

eess.IV2020

Deep Learning Based HPV Status Prediction for Oropharyngeal Cancer Patients

Daniel M. Lang, Jan C. Peeken, Stephanie E. Combs +2

We investigated the ability of deep learning models for imaging based HPV status detection. To overcome the problem of small medical datasets we used a transfer learning approach.…