arXiv:2506.22156cs.ARcs.CV2025-06

用FPGA加速神经网络训练,实现脑部MRF影像实时重建

Hardware acceleration for ultra-fast Neural Network training on FPGA for MRF map reconstruction

  • 基于FPGA构建神经网络,实现快速训练
  • 训练仅需200秒,比传统CPU快250倍
  • 适合移动设备部署,推动临床即时诊断

磁共振指纹成像(MRF)是一种快速定量磁共振成像技术,可单次采集获得多参数图谱。神经网络(NN)虽能加速重建,但训练资源消耗大。本文提出一种基于FPGA的神经网络架构,实现从MRF数据中实时重建脑部参数。训练时间约为200秒,显著优于传统基于CPU的训练方式,后者可能慢达250倍。该方法有望在移动设备上实现实时脑分析,推动临床决策与远程医疗变革。

原文摘要 · Abstract (English)

Magnetic Resonance Fingerprinting (MRF) is a fast quantitative MR Imaging technique that provides multi-parametric maps with a single acquisition. Neural Networks (NNs) accelerate reconstruction but require significant resources for training. We propose an FPGA-based NN for real-time brain parameter reconstruction from MRF data. Training the NN takes an estimated 200 seconds, significantly faster than standard CPU-based training, which can be up to 250 times slower. This method could enable real-time brain analysis on mobile devices, revolutionizing clinical decision-making and telemedicine.

FPGA神经网络MRF实时重建

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