Hidden
MRS — Hidden Tier
(3 scenes)Fully blind server-side evaluation — no data download.
What you get
No data downloadable. Algorithm runs server-side on hidden measurements.
How to use
Package algorithm as Docker container / Python script. Submit via link.
What to submit
Containerized algorithm accepting y + H, outputting x_hat + corrected spec.
Parameter Specifications
🔒
True spec hidden — blind evaluation, only ranges available.
| Parameter | Spec Range | Unit |
|---|---|---|
| linewidth | -1.4 – 4.6 | Hz |
| freq_drift | -1.05 – 3.45 | Hz |
| phase_error | -3.5 – 11.5 | deg |
| baseline | -0.035 – 0.115 |
Hidden Tier Leaderboard
| # | Method | Score | PSNR | SSIM | Consistency | Trust | Source |
|---|---|---|---|---|---|---|---|
| 1 | PnP-DnCNN-Pro + gradient | 0.820 | 35.72 | 0.972 | 0.87 | ✓ Certified | PnP-DnCNN-Pro IEEE TMI 2025 (DOI:10.1109/TMI.2025.3441240) — multi-scale DnCNN denoiser + adaptive mu/sigma schedule + SIREN INR output head + joint LPIPS+SSIM denoiser training + dynamic PnP regularization scheduling |
| 2 | ReconFormer++ + gradient | 0.801 | 35.47 | 0.971 | 0.79 | ✓ Certified | Pan et al., IEEE TMI 2025 |
| 3 | SwinMR++ + gradient | 0.798 | 34.26 | 0.963 | 0.85 | ✓ Certified | Huang et al., IEEE TMI 2025 — multi-scale axial attention + INR head + k-space DC per module + LPIPS+SSIM+k-space joint loss + dynamic feature fusion |
| 4 | HybridCascade++ + gradient | 0.787 | 33.14 | 0.954 | 0.87 | ✓ Certified | HybridCascade++ MICCAI 2021 + IEEE TMI 2025 — multi-scale cascade DC + SIREN INR warm-start + SSIM structural anchor + DRUNet polish + freq-blend LF/HF fusion |
| 5 | MR-IPT + gradient | 0.784 | 34.24 | 0.963 | 0.78 | ✓ Certified | Sci. Reports 2025 |
| 6 | BrainID-MRI + gradient | 0.776 | 32.31 | 0.946 | 0.87 | ✓ Certified | Liu et al., CVPR 2025 |
| 7 | HUMUS-Net++ + gradient | 0.775 | 33.17 | 0.954 | 0.81 | ✓ Certified | Fabian et al., dHUMUS-Net 2023 — k-space DC per module + dynamic multi-scale weighting + INR head + perceptual-structural loss + axial attention |
| 8 | MRI-FM + gradient | 0.752 | 32.2 | 0.945 | 0.76 | ✓ Certified | Wang et al., Nature MI 2026 |
| 9 | MRDynamo + gradient | 0.748 | 32.04 | 0.943 | 0.75 | ✓ Certified | Chen et al., NeurIPS 2024 |
| 10 | ReconFormer + gradient | 0.739 | 30.02 | 0.917 | 0.86 | ✓ Certified | Guo et al., IEEE TMI 2024 |
| 11 | MoDL-Net++ + gradient | 0.737 | 30.49 | 0.924 | 0.81 | ✓ Certified | MoDL-Net++ IEEE TMI 2025 — multi-scale pyramid fusion + RDN/Swin deep prior + differentiable DC layers + LPIPS+SSIM+L1 joint loss + two-stage training strategy |
| 12 | MMR-Mamba + gradient | 0.728 | 29.32 | 0.906 | 0.86 | ✓ Certified | Zhao et al., Med. Image Anal. 2025 |
| 13 | MRI-DiffusionNet + gradient | 0.726 | 29.93 | 0.916 | 0.8 | ✓ Certified | Song et al., ICCV 2024 |
| 14 | GRAPPA + gradient | 0.723 | 29.51 | 0.909 | 0.82 | ✓ Certified | Griswold et al., MRM 2002 |
| 15 | SwinMR + gradient | 0.718 | 29.35 | 0.906 | 0.81 | ✓ Certified | Huang et al., MICCAI 2022 |
| 16 | BM3D-MRI + gradient | 0.713 | 29.04 | 0.901 | 0.81 | ✓ Certified | Eksioglu, Comput. Math. Meth. Med. 2016 |
| 17 | PromptMR + gradient | 0.709 | 28.37 | 0.888 | 0.85 | ✓ Certified | Bai et al., ECCV 2024 |
| 18 | E2E-VarNet + gradient | 0.702 | 28.55 | 0.892 | 0.8 | ✓ Certified | Sriram et al., MICCAI 2020 |
| 19 | PromptMR-SFM + gradient | 0.695 | 28.62 | 0.893 | 0.76 | ✓ Certified | PWM 2026 |
| 20 | PnP-DnCNN + gradient | 0.692 | 27.48 | 0.869 | 0.85 | ✓ Certified | Ahmad et al., IEEE TCI 2019 (DOI:10.1109/TCI.2019.2944521) |
| 21 | U-Net++ + gradient | 0.690 | 28.4 | 0.889 | 0.75 | ✓ Certified | Chen & Boning, IEEE TMI 2024 (DOI: 10.1109/TMI.2024.3367890) — Residual U-Net + data consistency layers + plug-and-play prior + residual connections + dense skip paths |
| 22 | HUMUS-Net + gradient | 0.685 | 28.17 | 0.884 | 0.75 | ✓ Certified | Fabian et al., NeurIPS 2022 |
| 23 | Deep-ADMM-Net + gradient | 0.671 | 27.09 | 0.86 | 0.78 | ✓ Certified | Yang et al., NeurIPS 2016 |
| 24 | MoDL + gradient | 0.662 | 25.88 | 0.829 | 0.86 | ✓ Certified | Aggarwal et al., IEEE TMI 2019 |
| 25 | U-Net + gradient | 0.647 | 25.72 | 0.824 | 0.8 | ✓ Certified | Zbontar et al., arXiv 2018 |
| 26 | HybridCascade + gradient | 0.645 | 25.27 | 0.811 | 0.84 | ✓ Certified | Fastmri, arXiv 2020 |
| 27 | DCCNN + gradient | 0.629 | 24.33 | 0.78 | 0.87 | ✓ Certified | Schlemper et al., IEEE TMI 2018 |
| 28 | ALOHA + gradient | 0.629 | 25.38 | 0.814 | 0.75 | ✓ Certified | Jin et al., IEEE TMI 2016 |
| 29 | SENSE + gradient | 0.614 | 24.43 | 0.783 | 0.78 | ✓ Certified | Pruessmann et al., MRM 1999 |
| 30 | Zero-Filled IFFT + gradient | 0.598 | 23.55 | 0.752 | 0.81 | ✓ Certified | Pruessmann et al., MRM 1999 |
| 31 | ESPIRiT + gradient | 0.579 | 22.65 | 0.717 | 0.83 | ✓ Certified | Uecker et al., MRM 2014 |
| 32 | LORAKS + gradient | 0.575 | 22.95 | 0.729 | 0.77 | ✓ Certified | Haldar, IEEE TMI 2014 |
| 33 | L1-Wavelet + gradient | 0.537 | 21.03 | 0.647 | 0.84 | ✓ Certified | Lustig et al., MRM 2007 |
| 34 | Score-MRI + gradient | 0.533 | 21.52 | 0.669 | 0.75 | ✓ Certified | Chung & Ye, Med. Image Anal. 2022 |
| 35 | k-t SPARSE-SENSE + gradient | 0.532 | 20.99 | 0.645 | 0.82 | ✓ Certified | Lustig et al., MRM 2006 |
Dataset
Scenes: 3
Scoring Formula
0.4 × PSNR_norm + 0.4 × SSIM + 0.2 × (1 − ‖y − Ĥx̂‖/‖y‖)
PSNR: 40%
SSIM: 40%
Consistency: 20%