Patch Based Grid Artifact Suppressing in Digital Mammography

Figure 6

(a) Global image; (b)-(d) image without correction and images corrected by the global filter method and the proposed method of ROI#2, respectively; (g)-(i) image without correction and images corrected by the global filter method and the proposed method of ROI#4, respectively; ((e) and (j)) the spatial images of the difference between the images in (c), (h) and (d), (i) respectively; (f) global image.