activity
20192026
most citedThe Future of Digital Health with Federated Learning

3.1k citations · 5.1k across the 82 of their papers we have counts for

collaborators

87 papers

cs.LG2026

nnInteractive Agent: General-Purpose AI Agents as 3D Image Annotators

Fabian Isensee, Constantin Ulrich Harsy, Maximilian Rokuss +3

Interactive 3D segmentation models such as nnInteractive turn a few spatial prompts (points, scribbles, boxes) into accurate volumetric masks, but a human still does the annotation…

cs.CV2026

Feature Space Guidance for Breast Cancer Classification in DCE-MRI

Benjamin Hamm, Yannick Kirchhoff, Maximilian Rokuss +6

Dynamic contrast enhanced breast MRI (DCE-MRI) is a powerful clinical tool for breast cancer detection, providing high resolution anatomical detail together with rich temporal cont…

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

Resolution Meets Reduction: Efficient Visual Context for 3D Radiology Report Generation

Jonathan Suprijadi, Raphael Stock, Moritz Langenberg +10

Vision-language models offer a promising path toward automating radiology report generation, but applying them to full 3D CT volumes poses substantial computational challenges. Mod…

eess.IV2026

GLOW-FDG: Generalized cancer LesiOn Whole-body segmentation model for F-FDG-PET/CT

Maksym Fritsak, Maximilian Rokuss, Hubert S. Gabryś +10

Whole-body fluorodeoxyglucose positron emission tomography combined with computed tomography is widely used in cancer care, but manual lesion delineation is slow, subjective, and d…

cs.CV2026

Rethinking Post-Hoc Calibration in Semantic Segmentation

Tristan Kirscher, Kim-Celine Kahl, Balint Kovacs +5

Reliable confidence estimates are essential in semantic segmentation, yet modern models often remain miscalibrated. We investigate two overlooked issues in post-hoc calibration. Fi…

cs.CV2026

Lost in the Folds: When Cross-Validation Is Not a Deep Ensemble for Uncertainty Estimation

Tristan Kirscher, Markus Bujotzek, Yannick Kirchhoff +5

Ensemble disagreement is widely used as a proxy for epistemic uncertainty in medical image segmentation. In practice, many studies form ensembles via K-fold cross-validation (CV),…

cs.CV2026★ 1 cited

The autoPET3 Challenge: Automated Lesion Segmentation in Whole-Body PET/CT $\unicode{x2013}$ Multitracer Multicenter Generalization

Jakob Dexl, Katharina Jeblick, Andreas Mittermeier +27

We report the design and results of the third autoPET challenge (MICCAI 2024), which benchmarked automated lesion segmentation in whole-body PET/CT under a compositional generaliza…

cs.CV2026

Finally Outshining the Random Baseline: A Simple and Effective Solution for Active Learning in 3D Biomedical Imaging

Carsten T. Lüth, Jeremias Traub, Kim-Celine Kahl +6

Active learning (AL) has the potential to drastically reduce annotation costs in 3D biomedical image segmentation, where expert labeling of volumetric data is both time-consuming a…

eess.IV2025

MedNeXt-v2: Scaling 3D ConvNeXts for Large-Scale Supervised Representation Learning in Medical Image Segmentation

Saikat Roy, Yannick Kirchhoff, Constantin Ulrich +4

Large-scale supervised pretraining is rapidly reshaping 3D medical image segmentation. However, existing efforts focus primarily on increasing dataset size and overlook the questio…

eess.IV2025★ 1 cited

In search of truth: Evaluating concordance of AI-based anatomy segmentation models

Lena Giebeler, Deepa Krishnaswamy, David Clunie +9

Purpose AI-based methods for anatomy segmentation can help automate characterization of large imaging datasets. The growing number of similar in functionality models raises the cha…

cs.CV2025

nnActive: A Framework for Evaluation of Active Learning in 3D Biomedical Segmentation

Carsten T. Lüth, Jeremias Traub, Kim-Celine Kahl +6

Semantic segmentation is crucial for various biomedical applications, yet its reliance on large annotated datasets presents a bottleneck due to the high cost and specialized expert…

cs.CV2025

VoxTell: Free-Text Promptable Universal 3D Medical Image Segmentation

Maximilian Rokuss, Moritz Langenberg, Yannick Kirchhoff +8

We introduce VoxTell, a vision-language model for text-prompted volumetric medical image segmentation. It maps free-form descriptions, from single words to full clinical sentences,…

q-bio.QM2025

Gut decisions based on the liver: A radiomics approach to boost colorectal cancer screening

Anna Hinterberger, Jonas Bohn, Dasha Trofimova +13

Non-invasive colorectal cancer (CRC) screening represents a key opportunity to improve colonoscopy participation rates and reduce CRC mortality. This study explores the potential o…

cs.CV2025

Comprehensive language-image pre-training for 3D medical image understanding

Tassilo Wald, Ibrahim Ethem Hamamci, Yuan Gao +13

In the 3D medical image domain, vision-language pre-training is used to create vision-language encoders (VLEs) that can support radiologists by retrieving patients with similar abn…

eess.IV2025★ 1 cited

The Missing Piece: A Case for Pre-Training in 3D Medical Object Detection

Katharina Eckstein, Constantin Ulrich, Michael Baumgartner +5

Large-scale pre-training holds the promise to advance 3D medical object detection, a crucial component of accurate computer-aided diagnosis. Yet, it remains underexplored compared…

eess.IV2025

Promptable Longitudinal Lesion Segmentation in Whole-Body CT

Yannick Kirchhoff, Maximilian Rokuss, Fabian Isensee +1

Accurate segmentation of lesions in longitudinal whole-body CT is essential for monitoring disease progression and treatment response. While automated methods benefit from incorpor…

cs.CR2025

A Hybrid AI-based and Rule-based Approach to DICOM De-identification: A Solution for the MIDI-B Challenge

Hamideh Haghiri, Rajesh Baidya, Stefan Dvoretskii +2

Ensuring the de-identification of medical imaging data is a critical step in enabling safe data sharing. This paper presents a hybrid de-identification framework designed to proces…

cs.CV2025

A Multi-Stage Fine-Tuning and Ensembling Strategy for Pancreatic Tumor Segmentation in Diagnostic and Therapeutic MRI

Omer Faruk Durugol, Maximilian Rokuss, Yannick Kirchhoff +1

Automated segmentation of Pancreatic Ductal Adenocarcinoma (PDAC) from MRI is critical for clinical workflows but is hindered by poor tumor-tissue contrast and a scarcity of annota…

cs.CV2025

Towards Interactive Lesion Segmentation in Whole-Body PET/CT with Promptable Models

Maximilian Rokuss, Yannick Kirchhoff, Fabian Isensee +1

Whole-body PET/CT is a cornerstone of oncological imaging, yet accurate lesion segmentation remains challenging due to tracer heterogeneity, physiological uptake, and multi-center…

cs.CV2025

Temporal Flow Matching for Learning Spatio-Temporal Trajectories in 4D Longitudinal Medical Imaging

Nico Albert Disch, Yannick Kirchhoff, Robin Peretzke +5

Understanding temporal dynamics in medical imaging is crucial for applications such as disease progression modeling, treatment planning and anatomical development tracking. However…

cs.CV2025★ 1 cited

Large Scale Supervised Pretraining For Traumatic Brain Injury Segmentation

Constantin Ulrich, Tassilo Wald, Fabian Isensee +1

The segmentation of lesions in Moderate to Severe Traumatic Brain Injury (msTBI) presents a significant challenge in neuroimaging due to the diverse characteristics of these lesion…

cs.CV2025

nnLandmark: A Self-Configuring Method for 3D Medical Landmark Detection

Alexandra Ertl, Stefan Denner, Robin Peretzke +8

Landmark detection is central to many medical applications, such as identifying critical structures for treatment planning or defining control points for biometric measurements. Ho…

eess.IV2025★ 1 cited

Benchmark of Segmentation Techniques for Pelvic Fracture in CT and X-ray: Summary of the PENGWIN 2024 Challenge

Yudi Sang, Yanzhen Liu, Sutuke Yibulayimu +33

The segmentation of pelvic fracture fragments in CT and X-ray images is crucial for trauma diagnosis, surgical planning, and intraoperative guidance. However, accurately and effici…