Single Photon Challenge

Sacha Jungerman1, Atul Ingle2, Sotiris Nousias3, Mian Wei4, Mel White5, Mohit Gupta1

1University of Wisconsin - Madison, 2Portland State University, 3Purdue University,
4Carnegie Mellon University, 5US Naval Research Lab

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gQIR_SD35+HistMatched

Submitted: April 8, 2026, 12:44 p.m.  —  Public

https://arxiv.org/abs/2602.20417

Code: https://github.com/Aryan-Garg/gQIR_SD35

Mean PSNR ↑ 5% Low PSNR ↑ 1% Low PSNR ↑ Mean MS-SSIM ↑ 5% Low MS-SSIM ↑ 1% Low MS-SSIM ↑ Mean LPIPS ↓ 5% Low LPIPS ↓ 1% Low LPIPS ↓
19.529 14.157 12.834 0.863 0.724 0.679 0.237 0.370 0.404

Ground Truth
Reconstruction
Ground Truth
Reconstruction
Ground Truth
Reconstruction
Ground Truth
Reconstruction
Ground Truth
Reconstruction