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. Author manuscript; available in PMC: 2018 Apr 1.

Published in final edited form as: Biomed Phys Eng Express. 2017 Feb 21;3(2):025004. doi: 10.1088/2057-1976/aa5d20

Super-resolution image reconstruction results in high resolution portal image. The reconstructed SR image has a better SNR compared to a projection in a single higher resolution detector (a). full view of the SR reconstruction, (b) center of LR image from top layer, (c) center of shift-add fusion, (d) center of deconvoluted shift-add fusion, (e) corner of deconvoluted shift-add fusion, (f) corner of shift-add fusion without interpolating back projected LR images, and (g) HR image, projection onto a detector with 4 times pixel density.

Super-resolution image reconstruction results in high resolution portal image. The reconstructed SR image has a better SNR compared to a projection in a single higher resolution detector (a). full view of the SR reconstruction, (b) center of LR image from top layer, (c) center of shift-add fusion, (d) center of deconvoluted shift-add fusion, (e) corner of deconvoluted shift-add fusion, (f) corner of shift-add fusion without interpolating back projected LR images, and (g) HR image, projection onto a detector with 4 times pixel density.