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Blind restoration improves DAR. (A) Raw DAR image from mouse hindlimb after 18F-NaF PET imaging and its restoration results using modified restoration algorithms. Estimated PSFs are inset in gray scale. (B) Log-scale transformed images from A for background appraisal. (C) Log-scale amplitude of Fourier transform of raw and restored images from A. Scale bars: 4.95 mm (A); 0.86 mm (A1 and A2). DLU = digital light unit.
