Fast Compressed Sensing MRI Based on Complex Double-Density Dual-Tree Discrete Wavelet Transform
Reconstructed images using 20% radial sampling. (a) An axial brain image, (b) FISTA-DWT, (c) FISTA-CDT, (d) FISTA-CDDDT, and (e)–(h) magnified images of the regions marked by white rectangles in (a)–(d), respectively.
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