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BART Streams: Real-time Reconstruction Using a Modular Framework for Pipeline Processing
Philip Schaten1, Moritz Blumenthal1, Bernhard Rapp1
1Institute of Biomedical Imaging, Graz University of Technology, Graz, Austria.
Arxiv
|December 11, 2025
Summary
This study introduces modular solutions for real-time MRI using BART reconstruction algorithms. New streaming capabilities enable flexible, rapid prototyping of advanced interactive MRI applications with sufficient low latency.
Area of Science:
- Medical Imaging
- Computational Imaging
- Magnetic Resonance Imaging
Background:
- Real-time interactive MRI requires efficient and flexible reconstruction pipelines.
- Existing frameworks may lack the modularity needed for rapid development of advanced applications.
Purpose of the Study:
- To develop modular solutions for interactive real-time MRI.
- To integrate new streaming protocols into the BART reconstruction toolkit.
Main Methods:
- A new protocol for streaming multidimensional arrays was developed and integrated into BART.
- Demonstrated functionality with radial FLASH MRI, incorporating iterative reconstruction, dynamic coil compression, and gradient-delay correction.
- Analyzed reconstruction latency and measured end-to-end imaging process latency.
Main Results:
- Modular reconstruction pipelines with iterative reconstruction and advanced features were successfully built using scripting.
- Latency measurements confirmed suitability for interactive real-time MRI applications.
Conclusions:
- New streaming capabilities in BART facilitate flexible assembly of real-time reconstruction pipelines.
- Enables rapid prototyping of advanced interactive real-time MRI applications.
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