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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: NMR Biomed. 2020 Feb 10;33(12):e4260. doi: 10.1002/nbm.4260

Figure 1.

Figure 1.

The fully sampled k-space mMRI T2-weighted images (ground truth GT) and the under sampled images with AF of 4, 8, 16, and 32, including both control (CTRL, a-e) and osteoarthritis (OA, f-j) knee joints. The qualities of the reconstructed images were visually comparable with the GT at AF up to 8 with major information qualitatively preserved and negligible artifacts, while the qualities of the reconstructed images became visibly inferior at AFs of 16 and 32 (white arrows, enlarged images). With higher AFs (16 and 32), the image quality diminished to some extent, with exhibition of spatial blurring.