Fig. 7.
Case 1: bilateral hip prostheses. (a) is the reference image, (b) is the original uncorrected image, and (c)–(h) are the corrected results by the BHC, LI, NMAR1, NMAR2, CNN and CNN-MAR, respectively. The ROI highlighted by the small square is magnified. The display window is [−400 400] HU.