Sparse-view CT Reconstruction on AAPM-LDCT 18-view
1.78RMSEFBPConv
Evaluation results
| Method | Links | ||||
|---|---|---|---|---|---|
| FBPConvProjections=182023.07 | 1.78 | 35.04 | 91.19 | — | |
| FreeSeed-DUDOProjections=18, Domain=Dual-Domain2023.07 | 1.78 | 35.03 | 91.81 | — | |
| FreeSeedProjections=182023.07 | 1.79 | 35.01 | 91.46 | — | |
| DuDoTransProjections=182023.07 | 1.81 | 34.89 | 91.08 | — | |
| DuDoNetProjections=182023.07 | 1.91 | 34.42 | 91.07 | — | |
| DDNetProjections=182023.07 | 1.99 | 34.07 | 90.63 | — | |
| FBPProjections=182023.07 | 7.21 | 22.88 | 36.59 | — | |
| ReCo-DiffNFE=18, one-time level transition strategy=true2026.03 | 35.75 | 38.54 | 95.42 | 0.86 | |
| CvG-DiffMethod Category=Multi-step diffusion-based, NFE=10, Time [s]=0.682025.08 | 36.63 | 38.34 | 95.18 | — | |
| CvG-DiffNFE=102026.03 | 36.65 | 38.33 | 95.18 | 0.69 | |
| ReCo-DiffNFE=16, one-time level transition strategy=false2026.03 | 37.14 | 38.21 | 95.2 | 0.76 | |
| CvG-DiffMethod Category=Multi-step diffusion-based, NFE=6, Time [s]=0.392025.08 | 37.97 | 38.02 | 94.76 | — | |
| FreeSeedNFE=12026.03 | 50.69 | 35.49 | 95.21 | 0.09 | |
| VSSNFE=10002026.03 | 52.73 | 35.17 | 90.98 | 264.71 | |
| GloreiMethod Category=One-step feed-forward, Time [s]=0.062025.08 | 57.03 | 34.75 | 91.32 | — | |
| FreeseedMethod Category=One-step feed-forward, Time [s]=0.072025.08 | 58.09 | 34.31 | 90.4 | — | |
| DudoTransMethod Category=One-step feed-forward, Time [s]=0.132025.08 | 58.83 | 34.02 | 90.12 | — | |
| VSSMethod Category=Multi-step diffusion-based, NFE=1000, Time [s]=264.712025.08 | 72.62 | 32.34 | 87.9 | — | |
| CTOCategory=Single pass2025.12 | 75.97 | 31.57 | 8,162 | — | |
| COSIGNMethod Category=Multi-step diffusion-based, NFE=10, Time [s]=1.662025.08 | 76.95 | 31.84 | 86.31 | — | |
| CoSIGNNFE=102026.03 | 76.95 | 31.84 | 86.31 | 1.82 | |
| COSIGNMethod Category=Multi-step diffusion-based, NFE=1, Time [s]=0.092025.08 | 80.24 | 31.48 | 85.62 | — | |
| GloReDiCategory=Single pass2025.12 | 96.89 | 29.47 | 7,852 | — | |
| Unrolled CNNCategory=Single pass2025.12 | 100.65 | 29.14 | 7,821 | — | |
| ALDCategory=Diffusion2025.12 | 148.13 | 25.78 | 6,342 | — | |
| DPSCategory=Diffusion2025.12 | 149.97 | 25.68 | 6,008 | — | |
| DudoTransCategory=Single pass2025.12 | 154.64 | 25.36 | 6,952 | — | |
| SARTCategory=Learning-free2025.12 | 161.91 | 24.97 | 5,951 | — | |
| FBPCategory=Learning-free2025.12 | 632.58 | 13.14 | 3,387 | — |