高斯分布的可变密度泊松盘采样如何实现?

WyntorWyntor · 2022-11-24 15:15
在一篇论文中看到对MRI影像进行kspace下采样,使用的采样矩阵为“ The sparse acquisition of the k-space data was performed in form of a highly under-sampled variable-density Poisson disk with a Gaussian density distribution” 引用文献:High resolution time-of-flight MR-angiography at 7 T exploiting VERSE saturation, compressed sensing and segmentation
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