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%
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