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    <title>Proximal on Digital garden</title>
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      <title>近端算子</title>
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      <pubDate>Sun, 18 Aug 2024 10:00:08 +0800</pubDate>
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      <description>MRI 重建中的近端算子（Proximal Operator）笔记总结 1. 基本 MRI 成像模型 MRI 的前向模型： 1 2 y = A x + noise A = F S 其中： x：待重建图像 S：</description>
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