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Unsupervised Deep Video Denoising with Untrained Network

AAAI 2023 · Video › Video segmentation and tracking · approach: Video restoration with temporal priors · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use VER2R instead of R2R for real-noise trainingThe proposed video denoiser · Real raw video, meanPSNR (dB): 44.70 -> 45.64Helped
Add motion correction (ablation)The proposed video denoiser · DAVIS, σ=20 and σ=40PSNR (dB): 36.17 -> 36.49; 33.18 -> 33.29Helped
Add temporal attention (ablation)The proposed video denoiser · DAVIS, σ=20 and σ=40PSNR (dB): 35.36 -> 36.49; 32.70 -> 33.29Helped
Use the full spatial-temporal denoiser rather than only the spatial denoiser (ablation)The proposed video denoiser · DAVIS, σ=20 and σ=40PSNR (dB): 34.77 -> 36.49; 31.91 -> 33.29Helped
Use 5 adjacent frames rather than 3 (ablation)The proposed video denoiser · DAVIS, σ=20 and σ=40PSNR (dB): 36.09 -> 36.49; 33.04 -> 33.29Helped
Replace temporal-only fusion with 3D spatial-temporal attention kernels (ablation)The proposed video denoiser · DAVIS, σ=20 and σ=40PSNR (dB): 36.49 -> 36.37; 33.29 -> 33.30Mixed

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