Hidden

FPM — Hidden Tier

(5 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
led_position -0.07 – 0.23 mm
na_error 0.0965 – 0.1115
defocus -1.4 – 4.6 μm

Hidden Tier Leaderboard

# Method Score PSNR SSIM Consistency Trust Source
1 Gradient Descent FPM + gradient 0.643 25.08 0.805 0.85 ✓ Certified Tian & Waller, Optica 2015
2 PtychoDV + gradient 0.618 24.68 0.792 0.77 ✓ Certified Shamshad et al., IEEE TCI 2019
3 Alternating Projections + gradient 0.511 19.91 0.594 0.87 ✓ Certified Zheng et al., Nat. Photonics 2013
4 Fourier PtychoNet + gradient 0.455 18.84 0.542 0.75 ✓ Certified Jiang et al., BOE 2018

Dataset

Scenes: 5

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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