Matthias Ivantsits

ORCID: 0000-0003-0317-7154
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About
Contact & Profiles
Research Areas
  • Cardiac Imaging and Diagnostics
  • Intracranial Aneurysms: Treatment and Complications
  • Advanced X-ray and CT Imaging
  • Cardiac Valve Diseases and Treatments
  • Cerebrovascular and Carotid Artery Diseases
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Radiomics and Machine Learning in Medical Imaging
  • Aortic aneurysm repair treatments
  • Advanced MRI Techniques and Applications
  • Medical Imaging Techniques and Applications
  • Medical Image Segmentation Techniques
  • Infective Endocarditis Diagnosis and Management
  • Cardiovascular Function and Risk Factors
  • Artificial Intelligence in Healthcare and Education
  • Robotics and Sensor-Based Localization
  • Cardiac tumors and thrombi
  • Aortic Disease and Treatment Approaches
  • Medical Imaging and Analysis
  • AI in cancer detection
  • Lung Cancer Diagnosis and Treatment
  • Elasticity and Material Modeling
  • Gas Dynamics and Kinetic Theory
  • Cardiac and Coronary Surgery Techniques
  • Retinal Imaging and Analysis
  • Soft Robotics and Applications

Deutsches Herzzentrum der Charité
2023-2024

Charité - Universitätsmedizin Berlin
2020-2024

Fraunhofer Institute for Digital Medicine
2024

Humboldt-Universität zu Berlin
2023

Freie Universität Berlin
2023

Berlin Heart (Germany)
2021

PurposeAnalyzing the anatomy of aorta and left ventricular outflow tract (LVOT) is crucial for risk assessment planning transcatheter aortic valve implantation (TAVI). A comprehensive analysis root LVOT requires extraction patient-individual via segmentation. Deep learning has shown good performance on various segmentation tasks. If this formulated as a supervised problem, large amounts annotated data are required training. Therefore, minimizing annotation complexity desirable.ApproachWe...

10.1117/1.jmi.11.4.044504 article EN cc-by Journal of Medical Imaging 2024-07-30

The quality and acceptance of machine learning (ML) approaches in cardiovascular data interpretation depends strongly on model design training the interaction with clinical experts. We hypothesize that a software infrastructure for application ML models can support improvement provide relevant information understanding classification-relevant features. presented solution supports an iterative training, evaluation, exploration machine-learning-based multimodal methods considering cardiac MRI...

10.3389/fcvm.2022.829512 article EN cc-by Frontiers in Cardiovascular Medicine 2022-03-10

4D PC MRI of the aorta has become a routinely available examination, and multitude single parameters have been suggested for quantitative assessment relevant flow features clinical studies diagnosis. However, clinically applicable complex patterns is still challenging. We present concept applying radiomics characterization in aorta. To this end, we derive cross-sectional scalar parameter maps related to literature such as throughflow, direction, vorticity, normalized helicity. Derived are...

10.3389/fcvm.2023.1102502 article EN cc-by Frontiers in Cardiovascular Medicine 2023-04-03

Radiomics has been applied in cardiovascular imaging with promising results. Still, the effect of parameters on reproducibility radiomics features needs to be well understood for these used clinical diagnostics. We conduct a retrospective study short-axis cine CMR images healthy volunteers assess impact different temporal sampling shape, first-order, texture, and deformation field-based features, contextualize findings inter- intra-observer variability. find that is dependent sampling,...

10.58530/2023/4460 article EN Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition 2024-08-14

Motivation: HFpEF (heart failure with preserved ejection fraction) patients show similar diagnostic parameter values to healthy subjects in the quantitative evaluation of cardiac magnetic resonance imaging (CMR). Improving performance CMR-based HF characterization is desirable. Goal(s): Evaluation radiomics features from 2D flow MRI aorta for classification into healthy, HFpEF, HFmrEF (mildly reduced) and HFrEF (reduced). Approach: Training a decision tree classifier using 70 CMR datasets...

10.58530/2024/1788 article EN Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition 2024-11-26

Abstract Minimally invasive surgery is increasingly utilized for mitral valve repair and replacement. The intervention performed with an endoscopic field of view on the arrested heart. Extracting necessary information from live video stream challenging due to moving camera position, high variability defects, occlusion structures by instruments. During such minimally interventions there no time segment regions interest manually. We propose a real-time-capable deep-learning-based approach...

10.1515/cdbme-2020-0017 article EN cc-by-nc-nd Current Directions in Biomedical Engineering 2020-05-01

Abstract Cardiac diseases manifest in a multitude of interconnected changes morphology and dynamics. Radiomics approaches are promising technique to analyze such directly from image data. We propose novel features specifically describe moving cardiac structures, an interactive 4D visualization method explore Prototypical tests with open data set containing different show that our approach can be fast useful tool for the analysis heterogeneous cohort

10.1515/cdbme-2020-0008 article EN cc-by-nc-nd Current Directions in Biomedical Engineering 2020-05-01
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