Public

Radio Interferometry (VLBI) — 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
baseline_error -0.002 – 0.004 0.001 m
phase_calibration -2.0 – 4.0 1.0 deg
amplitude_calibration 0.98 – 1.04 1.01 -
clock_offset -0.2 – 0.4 0.1 ns

InverseNet Baseline Scores

Method: CPU_baseline — Mismatch parameter: nominal

Scenario I (Ideal)

23.29 dB

SSIM 0.7894

Scenario II (Mismatch)

22.17 dB

SSIM 0.7865

Scenario III (Oracle)

25.86 dB

SSIM 0.8906

Per-scene breakdown (4 scenes)
Scene PSNR I SSIM I PSNR II SSIM II PSNR III SSIM III
scene_00 26.75 0.8323 23.23 0.8029 26.49 0.8981
scene_01 20.68 0.7723 21.60 0.7985 25.14 0.8961
scene_02 18.26 0.7189 18.16 0.7293 22.16 0.8609
scene_03 27.45 0.8339 25.67 0.8154 29.65 0.9072

Public Tier Leaderboard

# Method Score PSNR SSIM Consistency Trust Source
1 PRIMO + gradient 0.752 30.1 0.918 0.92 ✓ Certified Medeiros et al., ApJL 2023
2 R2D2 + gradient 0.702 27.79 0.876 0.87 ✓ Certified Aghabiglou et al., ApJS 2024
3 AIRI + gradient 0.632 24.52 0.787 0.86 ✓ Certified Terris et al., MNRAS 2022
4 CLEAN + gradient 0.510 19.61 0.58 0.91 ✓ Certified Hogbom, A&AS 1974

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%
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