activity
20222026
most citedGeneralist Foundation Models from a Multimodal Dataset for 3D Computed Tomography

44 citations · 74 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CV2026

vesselFM-CT: Segmenting All Blood Vessels in CT Images for System-Level Cardiovascular Analysis

Bastian Wittmann, Chinmay Prabhakar, Suprosanna Shit +1

The vascular network in the human body is characterized by blood vessels exhibiting drastic structural variations in radius, length, topological properties, and branching patterns.…

cs.CV2026

Sparse Representation Learning for Vessels

Chinmay Prabhakar, Bastian Wittmann, Paul Büschl +3

Analyzing human vasculature and vessel-like, tubular structures, such as airways, is crucial for disease diagnosis and treatment. Current methods often rely on small sub-regions or…

cs.CV2026

VesselTok: Tokenizing Vessel-like 3D Biomedical Graph Representations for Reconstruction and Generation

Chinmay Prabhakar, Bastian Wittmann, Tamaz Amiranashvili +6

Spatial graphs provide a lightweight and elegant representation of curvilinear anatomical structures such as blood vessels, lung airways, and neuronal networks. Accurately modeling…

cs.CV2025

RadDiagSeg-M: A Vision Language Model for Joint Diagnosis and Multi-Target Segmentation in Radiology

Chengrun Li, Corentin Royer, Haozhe Luo +6

Most current medical vision language models struggle to jointly generate diagnostic text and pixel-level segmentation masks in response to complex visual questions. This represents…

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.CV2024

Predicting Stroke through Retinal Graphs and Multimodal Self-supervised Learning

Yuqing Huang, Bastian Wittmann, Olga Demler +2

Early identification of stroke is crucial for intervention, requiring reliable models. We proposed an efficient retinal image representation together with clinical information to c…

eess.IV2024

vesselFM: A Foundation Model for Universal 3D Blood Vessel Segmentation

Bastian Wittmann, Yannick Wattenberg, Tamaz Amiranashvili +2

Segmenting 3D blood vessels is a critical yet challenging task in medical image analysis. This is due to significant imaging modality-specific variations in artifacts, vascular pat…

eess.IV2024

Simulation-Based Segmentation of Blood Vessels in Cerebral 3D OCTA Images

Bastian Wittmann, Lukas Glandorf, Johannes C. Paetzold +4

Segmentation of blood vessels in murine cerebral 3D OCTA images is foundational for in vivo quantitative analysis of the effects of neurovascular disorders, such as stroke or Alzhe…

cs.CV2024★ 44 cited

Generalist Foundation Models from a Multimodal Dataset for 3D Computed Tomography

Ibrahim Ethem Hamamci, Sezgin Er, Chenyu Wang +27

Advancements in medical imaging AI, particularly in 3D imaging, have been limited due to the scarcity of comprehensive datasets. We introduce CT-RATE, a public dataset that pairs 3…

cs.CV2023★ 14 cited

The TopCoW Challenge -- Topology-Aware Circle of Willis Segmentation for CT and MR Angiography

Kaiyuan Yang, Fabio Musio, Yihui Ma +112

The Circle of Willis (CoW) is an important network of arteries connecting major circulations of the brain. Its vascular architecture is believed to influence the risk, severity, an…

cs.CV2023

Link Prediction for Flow-Driven Spatial Networks

Bastian Wittmann, Johannes C. Paetzold, Chinmay Prabhakar +2

Link prediction algorithms aim to infer the existence of connections (or links) between nodes in network-structured data and are typically applied to refine the connectivity among…

cs.CV2022★ 12 cited

Focused Decoding Enables 3D Anatomical Detection by Transformers

Bastian Wittmann, Fernando Navarro, Suprosanna Shit +1

Detection Transformers represent end-to-end object detection approaches based on a Transformer encoder-decoder architecture, exploiting the attention mechanism for global relation…

cs.CV2022★ 4 cited

Relationformer: A Unified Framework for Image-to-Graph Generation

Suprosanna Shit, Rajat Koner, Bastian Wittmann +8

A comprehensive representation of an image requires understanding objects and their mutual relationship, especially in image-to-graph generation, e.g., road network extraction, blo…