Hidden
X-ray Radiography — 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 |
|---|---|---|
| source_dist | -3.5 – 11.5 | mm |
| beam_hardening | -0.014 – 0.046 | |
| scatter | -0.035 – 0.115 |
Hidden Tier Leaderboard
| # | Method | Score | PSNR | SSIM | Consistency | Trust | Source |
|---|---|---|---|---|---|---|---|
| 1 | CTFormer + gradient | 0.770 | 33.68 | 0.958 | 0.75 | ✓ Certified | Li et al., ICCV 2024 |
| 2 | CT-ViT + gradient | 0.767 | 32.42 | 0.947 | 0.82 | ✓ Certified | Guo et al., NeurIPS 2024 |
| 3 | DOLCE + gradient | 0.711 | 28.72 | 0.895 | 0.83 | ✓ Certified | Liu et al., ICCV 2023 |
| 4 | DiffusionCT + gradient | 0.702 | 28.19 | 0.885 | 0.83 | ✓ Certified | Kazemi et al., ECCV 2024 |
| 5 | Score-CT + gradient | 0.691 | 27.94 | 0.88 | 0.8 | ✓ Certified | Song et al., NeurIPS 2024 |
| 6 | DuDoTrans + gradient | 0.686 | 27.64 | 0.873 | 0.8 | ✓ Certified | Wang et al., MLMIR 2022 |
| 7 | PnP-ADMM + gradient | 0.673 | 26.29 | 0.84 | 0.87 | ✓ Certified | Venkatakrishnan et al., IEEE GlobalSIP 2013 |
| 8 | RED-CNN + gradient | 0.666 | 26.43 | 0.844 | 0.82 | ✓ Certified | Chen et al., IEEE TMI 2017 |
| 9 | Learned Primal-Dual + gradient | 0.639 | 25.74 | 0.825 | 0.76 | ✓ Certified | Adler & Oktem, IEEE TMI 2018 |
| 10 | TV-ADMM + gradient | 0.633 | 25.2 | 0.808 | 0.79 | ✓ Certified | Sidky et al., Phys. Med. Biol. 2008 |
| 11 | PnP-DnCNN + gradient | 0.630 | 24.96 | 0.801 | 0.8 | ✓ Certified | Zhang et al., IEEE TIP 2017 |
| 12 | FBP + gradient | 0.573 | 22.64 | 0.717 | 0.8 | ✓ Certified | Kak & Slaney, IEEE Press 1988 |
| 13 | FBPConvNet + gradient | 0.560 | 21.94 | 0.687 | 0.83 | ✓ Certified | Jin et al., IEEE TIP 2017 |
Dataset
Scenes: 3
Scoring Formula
0.4 × PSNR_norm + 0.4 × SSIM + 0.2 × (1 − ‖y − Ĥx̂‖/‖y‖)
PSNR: 40%
SSIM: 40%
Consistency: 20%