Hidden

Portal Imaging (EPID) — 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
isocenter_shift -0.28 – 0.92 mm
beam_energy_variation 5.972 – 6.092 MV
detector_sag -0.14 – 0.46 mm
scatter_kernel_width 4.72 – 5.92 mm

Hidden Tier Leaderboard

# Method Score PSNR SSIM Consistency Trust Source
1 CTFormer + gradient 0.742 30.44 0.923 0.84 ✓ Certified Li et al., ICCV 2024
2 DuDoTrans + gradient 0.731 30.39 0.923 0.79 ✓ Certified Wang et al., MLMIR 2022
3 CT-ViT + gradient 0.721 29.41 0.907 0.82 ✓ Certified Guo et al., NeurIPS 2024
4 Score-CT + gradient 0.720 29.19 0.904 0.83 ✓ Certified Song et al., NeurIPS 2024
5 Learned Primal-Dual + gradient 0.693 27.9 0.879 0.81 ✓ Certified Adler & Oktem, IEEE TMI 2018
6 DiffusionCT + gradient 0.690 27.89 0.878 0.8 ✓ Certified Kazemi et al., ECCV 2024
7 PnP-DnCNN + gradient 0.682 28.11 0.883 0.74 ✓ Certified Zhang et al., IEEE TIP 2017
8 FBPConvNet + gradient 0.674 26.56 0.847 0.85 ✓ Certified Jin et al., IEEE TIP 2017
9 PnP-ADMM + gradient 0.673 27.3 0.865 0.77 ✓ Certified Venkatakrishnan et al., IEEE GlobalSIP 2013
10 TV-ADMM + gradient 0.648 25.05 0.804 0.88 ✓ Certified Sidky et al., Phys. Med. Biol. 2008
11 DOLCE + gradient 0.643 25.89 0.829 0.76 ✓ Certified Liu et al., ICCV 2023
12 RED-CNN + gradient 0.642 24.88 0.798 0.87 ✓ Certified Chen et al., IEEE TMI 2017
13 FBP + gradient 0.593 22.88 0.726 0.87 ✓ Certified Kak & Slaney, IEEE Press 1988

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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