Search Results for author: Lennart Bastian

Found 5 papers, 3 papers with code

Hybrid Functional Maps for Crease-Aware Non-Isometric Shape Matching

no code implementations6 Dec 2023 Lennart Bastian, Yizheng Xie, Nassir Navab, Zorah Lähner

Non-isometric shape correspondence remains a fundamental challenge in computer vision.

On the Localization of Ultrasound Image Slices within Point Distribution Models

1 code implementation1 Sep 2023 Lennart Bastian, Vincent Bürgin, Ha Young Kim, Alexander Baumann, Benjamin Busam, Mahdi Saleh, Nassir Navab

We demonstrate that our multi-modal registration framework can localize images on the 3D surface topology of a patient-specific organ and the mean shape of an SSM.

3D Reconstruction 3D Shape Representation +2

DisguisOR: Holistic Face Anonymization for the Operating Room

1 code implementation26 Jul 2023 Lennart Bastian, Tony Danjun Wang, Tobias Czempiel, Benjamin Busam, Nassir Navab

Methods: RGB and depth images from multiple cameras are fused into a 3D point cloud representation of the scene.

Face Anonymization

S3M: Scalable Statistical Shape Modeling through Unsupervised Correspondences

1 code implementation15 Apr 2023 Lennart Bastian, Alexander Baumann, Emily Hoppe, Vincent Bürgin, Ha Young Kim, Mahdi Saleh, Benjamin Busam, Nassir Navab

Statistical shape models (SSMs) are an established way to represent the anatomy of a population with various clinically relevant applications.

Anatomy

Know your sensORs -- A Modality Study For Surgical Action Classification

no code implementations16 Mar 2022 Lennart Bastian, Tobias Czempiel, Christian Heiliger, Konrad Karcz, Ulrich Eck, Benjamin Busam, Nassir Navab

Existing datasets from OR room cameras are thus far limited in size or modalities acquired, leaving it unclear which sensor modalities are best suited for tasks such as recognizing surgical action from videos.

Action Classification Action Recognition +1

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