Enhance video taken with only starlight by using a physics-based noise model
Enhance video taken with only starlight by using a physics-based noise model
Dancing under the stars: video denoising in starlight
arXiv paper abstract https://arxiv.org/abs/2204.04210v1
arXiv PDF paper https://arxiv.org/pdf/2204.04210v1.pdf
Imaging in low light is extremely challenging due to low photon counts.
… demonstrate photorealistic video under starlight (no moon present, <0.001 lux) for the first time.
To enable this, … develop a GAN-tuned physics-based noise model to more accurately represent camera noise at the lowest light levels.
Using this noise model, … train a video denoiser using a combination of simulated noisy video clips and real noisy still images.
… capture a 5–10 fps video dataset with significant motion at approximately 0.6–0.7 millilux with no active illumination.
… achieve improved video quality at the lowest light levels, demonstrating photorealistic video denoising in starlight for the first time.
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