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. Author manuscript; available in PMC: 2022 Jul 29.
Published in final edited form as: Biomed Phys Eng Express. 2021 Jul 29;7(5):10.1088/2057-1976/ac12a4. doi: 10.1088/2057-1976/ac12a4

Table 1.

The RMSE and SSIM values of different reconstruction methods at full dose for Phase 1 and Phase 4. (M, N) is for G-SMEIR.

Phase 1 Phase 4
RMSE SSIM RMSE SSIM
3D TV 1.27 × 10−3 0.9365 1.19 × 10−3 0.9403
IM4D 1.13 × 10−3 0.9461 1.07 × 10−3 0.9477
SMEIR 1.01 × 10−3 0.9601 1.08 × 10−3 0.9540
(2,11) 1.00 × 10−3 0.9618 0.89 × 10−3 0.9648
(3,7) 1.01 × 10−3 0.9617 0.89 × 10−3 0.9652
(4,5) 1.02 × 10−3 0.9614 0.89 × 10−3 0.9653