Public

X-ray NDT (Radiography) — Public Tier

(3 scenes)

Full-access development tier with all data visible.

What you get

Measurements (y), ideal forward operator (H), spec ranges, ground truth (x_true), and true mismatch spec.

How to use

Load HDF5 → compare reconstruction vs x_true → check consistency → iterate.

What to submit

Reconstructed signals (x_hat) and corrected spec as HDF5.

Parameter Specifications

✓

True spec visible — use these exact values for Scenario III oracle reconstruction.

Parameter Spec Range True Value Unit
source_position_error -0.2 – 0.4 0.1 mm
beam_hardening -0.02 – 0.04 0.01 -
detector_gain_drift 0.99 – 1.02 1.005 -
geometric_magnification 1.96 – 2.08 2.02 -

InverseNet Baseline Scores

Method: CPU_baseline — Mismatch parameter: nominal

Scenario I (Ideal)

7.34 dB

SSIM 0.0390

Scenario II (Mismatch)

7.02 dB

SSIM 0.0210

Scenario III (Oracle)

10.82 dB

SSIM 0.0936

Per-scene breakdown (4 scenes)
Scene PSNR I SSIM I PSNR II SSIM II PSNR III SSIM III
scene_00 7.34 0.0377 6.96 0.0206 10.91 0.0947
scene_01 7.43 0.0387 7.16 0.0206 10.70 0.0875
scene_02 7.18 0.0422 6.94 0.0219 10.69 0.1025
scene_03 7.40 0.0373 7.02 0.0210 10.97 0.0896

Public Tier Leaderboard

# Method Score PSNR SSIM Consistency Trust Source
1 FBPConvNet + gradient 0.797 34.03 0.961 0.86 ✓ Certified Jin et al., IEEE TIP 2017
2 DR-GAN + gradient 0.771 31.71 0.939 0.89 ✓ Certified Zhang et al., NDT&E Int. 2021
3 PnP-ADMM + gradient 0.751 30.51 0.924 0.88 ✓ Certified Venkatakrishnan et al., 2013
4 FBP + gradient 0.655 25.45 0.816 0.87 ✓ Certified Kak & Slaney, IEEE Press 1988

Visible Data Fields

y H_ideal spec_ranges x_true true_spec

Dataset

Format: HDF5
Scenes: 3

Scoring Formula

0.4 × PSNR_norm + 0.4 × SSIM + 0.2 × (1 − ‖y − Ĥx̂‖/‖y‖)

PSNR: 40% SSIM: 40% Consistency: 20%
Back to X-ray NDT (Radiography)