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用于3D脑部MRI图像去噪和运动伪影校正的迭代学习方法
提出基于迭代学习的联合MRI图像去噪与运动伪影校正框架JDAC,通过自适应去噪模型(噪声方差梯度图估计+U-Net)和梯度损失反伪影模型(U-Net)协同优化,有效解决噪声与伪影耦合干扰问题。 在医学影像处理领域,脑部磁共振成像(MRI)的质量受到图像噪声和 ...
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