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BART Streams: Real-Time Reconstruction Using a Modular Framework for Pipeline Processing
Philip Schaten1,2, Moritz Blumenthal1,3, Bernhard Rapp1
1Institute of Biomedical Imaging, Graz University of Technology, Graz, Austria.
Magnetic Resonance in Medicine
|June 5, 2026
Summary
This study introduces modular solutions for real-time MRI using BART reconstruction algorithms. The new streaming capabilities enable flexible, rapid prototyping of advanced interactive real-time MRI applications.
Area of Science:
- Medical Imaging
- Magnetic Resonance Imaging
- Computational Imaging
Background:
- Real-time MRI enables dynamic imaging but requires efficient reconstruction.
- Existing methods may lack flexibility for advanced applications.
Purpose of the Study:
- Develop modular, real-time MRI reconstruction solutions using BART.
- Integrate new streaming protocols for multidimensional arrays into BART.
Main Methods:
- Implemented a new multidimensional array streaming protocol within BART.
- Demonstrated functionality with cardiac real-time MRI using radial FLASH.
- Incorporated iterative reconstruction, dynamic coil compression, and gradient-delay correction.
Main Results:
- Modular reconstruction pipelines were successfully built using scripting.
- BART processing and network transfer latency measured at ~30 ms.
- End-to-end latency, including acquisition and display, was ~200 ms.
Conclusions:
- BART's new streaming capabilities facilitate flexible real-time reconstruction pipeline assembly.
- Enables rapid prototyping of advanced interactive real-time MRI applications.
- Demonstrates feasibility for interactive real-time MRI with low latency.
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