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快速PET重建与减小差异和预先意识预先调节

Matthias J Ehrhardt1, Zeljko Kereta2, Georg Schramm3

  • 1Department of Mathematical Sciences, University of Bath, Bath, United Kingdom.

Frontiers in nuclear medicine
|October 3, 2025
PubMed
概括

优化正电子发射断层扫描 (PET) 图像重建与调整先验需要将先前效应纳入预条件器以获得更快,更稳定的结果. 随机变量减小梯度 (SVRG) 和SAGA方法显示出优于SGD的性能.

关键词:
这是一个MAP MAP.在这里,PET是PET.图像重建 图像重建这是一个预先条件.规范化方法 规范化方法随机梯度方法 随机梯度方法减小差异减小差异减小

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