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An example of the process of filling the FDBF (lateral view of a chest phantom): before filling any FDBF channels (a, b), after the first step of the proposed algorithm (c, d), and after the final step (e, f). The filled FDBF filters (left) and , the corresponding attenuation profile (of object plus FDBF) (right, gray solid line), compared to , the desired profile (right, black dashed line), are displayed. The vertical dotted lines (right, gray) indicate the object boundaries.
