Public
Flash LiDAR — Public Tier
(5 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 |
|---|---|---|---|
| spad_jitter | -20.0 – 40.0 | 10.0 | ps |
| ambient_photon_rate | -2.0 – 4.0 | 1.0 | - |
| pile_up_distortion | -4.0 – 8.0 | 2.0 | athighflux |
| pixel_cross_talk | -1.0 – 2.0 | 0.5 | - |
InverseNet Baseline Scores
Method: CPU_baseline — Mismatch parameter: nominal
Scenario I (Ideal)
5.60 dB
SSIM 0.4704
Scenario II (Mismatch)
5.48 dB
SSIM 0.2508
Scenario III (Oracle)
19.14 dB
SSIM 0.2964
Per-scene breakdown (4 scenes)
| Scene | PSNR I | SSIM I | PSNR II | SSIM II | PSNR III | SSIM III |
|---|---|---|---|---|---|---|
| scene_00 | 5.53 | 0.4672 | 5.49 | 0.2492 | 19.07 | 0.2950 |
| scene_01 | 5.81 | 0.4796 | 5.98 | 0.2471 | 19.15 | 0.2888 |
| scene_02 | 5.66 | 0.4660 | 5.19 | 0.2536 | 19.29 | 0.3009 |
| scene_03 | 5.39 | 0.4690 | 5.28 | 0.2531 | 19.03 | 0.3011 |
Public Tier Leaderboard
| # | Method | Score | PSNR | SSIM | Consistency | Trust | Source |
|---|---|---|---|---|---|---|---|
| 1 | PhysLiDAR + gradient | 0.844 | 36.7 | 0.977 | 0.93 | ✓ Certified | Chen et al., CVPR 2024 |
| 2 | DiffLiDAR + gradient | 0.839 | 36.83 | 0.977 | 0.9 | ✓ Certified | Gao et al., NeurIPS 2024 |
| 3 | SwinLiDAR + gradient | 0.806 | 34.0 | 0.961 | 0.91 | ✓ Certified | Wang et al., ICCV 2023 |
| 4 | TransLiDAR + gradient | 0.788 | 32.96 | 0.952 | 0.89 | ✓ Certified | Li et al., CVPR 2022 |
| 5 | SPADnet + gradient | 0.773 | 31.04 | 0.931 | 0.95 | ✓ Certified | Lindell et al., SIGGRAPH 2018 |
| 6 | DnCNN-LiDAR + gradient | 0.704 | 27.55 | 0.871 | 0.9 | ✓ Certified | Peng et al., ECCV 2020 |
| 7 | NL-Means-LiDAR + gradient | 0.675 | 25.81 | 0.827 | 0.93 | ✓ Certified | Rapp & Goyal, IEEE TCI 2017 |
| 8 | Coates-Hist + gradient | 0.612 | 23.16 | 0.737 | 0.93 | ✓ Certified | Coates, J. Phys. E 1968 |
| 9 | MLE-SPAD + gradient | 0.528 | 20.36 | 0.616 | 0.89 | ✓ Certified | Kirmani et al., Science 2014 |
Visible Data Fields
y
H_ideal
spec_ranges
x_true
true_spec
Dataset
Format: HDF5
Scenes: 5
Scoring Formula
0.4 × PSNR_norm + 0.4 × SSIM + 0.2 × (1 − ‖y − Ĥx̂‖/‖y‖)
PSNR: 40%
SSIM: 40%
Consistency: 20%