BART Streams: Real-time Reconstruction Using a Modular Framework for Pipeline Processing

Fuente: arXiv
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Main Authors: Schaten, Philip, Blumenthal, Moritz, Rapp, Bernhard, Unterberg-Buchwald, Christina, Uecker, Martin
Format: Preprint
Published: 2025
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author Schaten, Philip
Blumenthal, Moritz
Rapp, Bernhard
Unterberg-Buchwald, Christina
Uecker, Martin
author_facet Schaten, Philip
Blumenthal, Moritz
Rapp, Bernhard
Unterberg-Buchwald, Christina
Uecker, Martin
contents Purpose: To create modular solutions for interactive real-time MRI using reconstruction algorithms implemented in BART. Methods: A new protocol for streaming of multidimensional arrays is presented and integrated into BART. The new functionality is demonstrated using examples for cardiac interactive real-time MRI based on radial FLASH, where iterative reconstruction is combined with advanced features such as dynamic coil compression and gradient-delay orrection. We analyze the latency of the reconstruction and measure end-to-end latency of the full imaging process. Results: Reconstruction pipelines with iterative reconstruction and advanced functionality were built in a modular way using scripting. Latency measurements demonstrate latency sufficient for interactive real-time MRI, on the order of 30 ms for BART processing and network transfer time, or 200 ms for end-to-end latency including acquisition, vendor processing, and display. Conclusion: With the new streaming capabilities, real-time reconstruction pipelines can be assembled using BART in a flexible way, enabling rapid prototyping of advanced applications such as interactive real-time MRI.
format Preprint
id arxiv_https___arxiv_org_abs_2512_02748
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle BART Streams: Real-time Reconstruction Using a Modular Framework for Pipeline Processing
Schaten, Philip
Blumenthal, Moritz
Rapp, Bernhard
Unterberg-Buchwald, Christina
Uecker, Martin
Medical Physics
Purpose: To create modular solutions for interactive real-time MRI using reconstruction algorithms implemented in BART. Methods: A new protocol for streaming of multidimensional arrays is presented and integrated into BART. The new functionality is demonstrated using examples for cardiac interactive real-time MRI based on radial FLASH, where iterative reconstruction is combined with advanced features such as dynamic coil compression and gradient-delay orrection. We analyze the latency of the reconstruction and measure end-to-end latency of the full imaging process. Results: Reconstruction pipelines with iterative reconstruction and advanced functionality were built in a modular way using scripting. Latency measurements demonstrate latency sufficient for interactive real-time MRI, on the order of 30 ms for BART processing and network transfer time, or 200 ms for end-to-end latency including acquisition, vendor processing, and display. Conclusion: With the new streaming capabilities, real-time reconstruction pipelines can be assembled using BART in a flexible way, enabling rapid prototyping of advanced applications such as interactive real-time MRI.
title BART Streams: Real-time Reconstruction Using a Modular Framework for Pipeline Processing
topic Medical Physics
url https://arxiv.org/abs/2512.02748