Papers › Dancing under the stars: video denoising in starlight
Dancing under the stars: video denoising in starlight
Kristina Monakhova, Stephan R. Richter, Laura Waller, Vladlen Koltun
Imaging in low light is extremely challenging due to low photon counts. Using sensitive CMOS cameras, it is currently possible to take videos at night under moonlight (0.05-0.3 lux illumination). In this paper, we demonstrate photorealistic video under starlight (no moon present, $<$0.001 lux) for the first time. To enable this, we develop a GAN-tuned physics-based noise model to more accurately represent camera noise at the lowest light levels. Using this noise model, we train a video denoiser using a combination of simulated noisy video clips and real noisy still images. We capture a 5-10 fps video dataset with significant motion at approximately 0.6-0.7 millilux with no active illumination. Comparing against alternative methods, we achieve improved video quality at the lowest light levels, demonstrating photorealistic video denoising in starlight for the first time.
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Image Denoising | ELD SonyA7S2 x100 | Starlight | PSNR (Raw) | 43.80 | #8 of 9 | Archive leaderboard | report |
| Image Denoising | ELD SonyA7S2 x100 | Starlight | SSIM (Raw) | 0.936 | #8 of 9 | Archive leaderboard | report |
| Image Denoising | ELD SonyA7S2 x200 | Starlight | PSNR (Raw) | 40.86 | #8 of 10 | Archive leaderboard | report |
| Image Denoising | ELD SonyA7S2 x200 | Starlight | SSIM (Raw) | 0.884 | #8 of 10 | Archive leaderboard | report |
| Image Denoising | SID SonyA7S2 x250 | Starlight | PSNR (Raw) | 36.25 | #9 of 10 | Archive leaderboard | report |
| Image Denoising | SID SonyA7S2 x250 | Starlight | SSIM (Raw) | 0.858 | #9 of 10 | Archive leaderboard | report |
| Image Denoising | SID x100 | Starlight | PSNR (Raw) | 40.47 | #7 of 8 | Archive leaderboard | report |
| Image Denoising | SID x100 | Starlight | SSIM | 0.926 | #7 of 8 | Archive leaderboard | report |
| Image Denoising | SID x300 | Starlight | PSNR (Raw) | 32.99 | #7 of 8 | Archive leaderboard | report |
| Image Denoising | SID x300 | Starlight | SSIM | 0.780 | #7 of 8 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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