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Image reconstructions of the chest phantom in the X-Z plane (left column) and the Y-Z plane (right column), taken at the positions shown in Fig. 8a. Reconstruction size: 512×384 pixels with 0.4×0.4 mm2 for a pixel. Display window: [−770, 630] HU. (a) and (b) are the images without scatter correction; (c) and (d) are the images with scatter corrected using a constant; and (e) and (f) are the images with scatter corrected using the proposed method with the copper modulator.
