Search Results for author: Constantin Ulrich

Found 18 papers, 11 papers with code

Scaling nnU-Net for CBCT Segmentation

1 code implementation26 Nov 2024 Fabian Isensee, Yannick Kirchhoff, Lars Kraemer, Maximilian Rokuss, Constantin Ulrich, Klaus H. Maier-Hein

This paper presents our approach to scaling the nnU-Net framework for multi-structure segmentation on Cone Beam Computed Tomography (CBCT) images, specifically in the scope of the ToothFairy2 Challenge.

Data Augmentation

RadioActive: 3D Radiological Interactive Segmentation Benchmark

no code implementations12 Nov 2024 Constantin Ulrich, Tassilo Wald, Emily Tempus, Maximilian Rokuss, Paul F. Jaeger, Klaus Maier-Hein

By open-sourcing RadioActive, we invite the research community to integrate their models and prompting techniques, ensuring continuous and transparent evaluation of interactive segmentation models in 3D medical imaging.

Interactive Segmentation Segmentation

Revisiting MAE pre-training for 3D medical image segmentation

no code implementations30 Oct 2024 Tassilo Wald, Constantin Ulrich, Stanislav Lukyanenko, Andrei Goncharov, Alberto Paderno, Leander Maerkisch, Paul F. Jäger, Klaus Maier-Hein

Self-Supervised Learning (SSL) presents an exciting opportunity to unlock the potential of vast, untapped clinical datasets, for various downstream applications that suffer from the scarcity of labeled data.

Image Segmentation Medical Image Analysis +3

Data-Centric Strategies for Overcoming PET/CT Heterogeneity: Insights from the AutoPET III Lesion Segmentation Challenge

1 code implementation16 Sep 2024 Balint Kovacs, Shuhan Xiao, Maximilian Rokuss, Constantin Ulrich, Fabian Isensee, Klaus H. Maier-Hein

The third autoPET challenge introduced a new data-centric task this year, shifting the focus from model development to improving metastatic lesion segmentation on PET/CT images through data quality and handling strategies.

Data Augmentation Lesion Segmentation +1

nnU-Net Revisited: A Call for Rigorous Validation in 3D Medical Image Segmentation

2 code implementations15 Apr 2024 Fabian Isensee, Tassilo Wald, Constantin Ulrich, Michael Baumgartner, Saikat Roy, Klaus Maier-Hein, Paul F. Jaeger

The release of nnU-Net marked a paradigm shift in 3D medical image segmentation, demonstrating that a properly configured U-Net architecture could still achieve state-of-the-art results.

Benchmarking Image Segmentation +3

RecycleNet: Latent Feature Recycling Leads to Iterative Decision Refinement

no code implementations14 Sep 2023 Gregor Koehler, Tassilo Wald, Constantin Ulrich, David Zimmerer, Paul F. Jaeger, Jörg K. H. Franke, Simon Kohl, Fabian Isensee, Klaus H. Maier-Hein

Using medical image segmentation as the evaluation environment, we show that latent feature recycling enables the network to iteratively refine initial predictions even beyond the iterations seen during training, converging towards an improved decision.

Decision Making Image Segmentation +3

MultiTalent: A Multi-Dataset Approach to Medical Image Segmentation

1 code implementation25 Mar 2023 Constantin Ulrich, Fabian Isensee, Tassilo Wald, Maximilian Zenk, Michael Baumgartner, Klaus H. Maier-Hein

Our findings offer a new direction for the medical imaging community to effectively utilize the wealth of available data for improved segmentation performance.

Image Segmentation Lesion Segmentation +3

MedNeXt: Transformer-driven Scaling of ConvNets for Medical Image Segmentation

1 code implementation17 Mar 2023 Saikat Roy, Gregor Koehler, Constantin Ulrich, Michael Baumgartner, Jens Petersen, Fabian Isensee, Paul F. Jaeger, Klaus Maier-Hein

This leads to state-of-the-art performance on 4 tasks on CT and MRI modalities and varying dataset sizes, representing a modernized deep architecture for medical image segmentation.

Decoder Image Segmentation +3

Extending nnU-Net is all you need

no code implementations23 Aug 2022 Fabian Isensee, Constantin Ulrich, Tassilo Wald, Klaus H. Maier-Hein

Semantic segmentation is one of the most popular research areas in medical image computing.

Segmentation Semantic Segmentation +1

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