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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.

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Summary
This summary is machine-generated.

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.

Keywords:
Interventional MRIMRIReal-Time MRIReal-Time ReconstructionStreaming

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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.