Table 3 Computation Cost Between The DFR-post TV PICCSDFR, GDSIR And DP-PICCS Methods (Unit: Second per Iteration).

From: Discriminative Prior - Prior Image Constrained Compressed Sensing Reconstruction for Low-Dose CT Imaging

Method

Phantom data (Size:512 × 512 × 30)

Clinical data (Size:512 × 512 × 30)

DFR-post

219 ± 2

225 ± 3

TV

3 ± 1

5 ± 1

PICCSDFR

7 ± 1

11 ± 1

GDSIR

63 ± 2

77 ± 2

DP-PICCS

154 ± 2

167 ± 5

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