Research map / Image generation / Image restoration
A Holistic Approach to Cross-Channel Image Noise Modeling and Its Application to Image Denoising
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D800 ISO 1600 test images (1–3) | PSNR: 38.14 -> 38.89 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D800 ISO 3200 test images (4–6) | PSNR: 37.20 -> 38.27 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D800 ISO 6400 test images (7–9) | PSNR: 32.76 -> 33.68 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D600 ISO 3200 test images (10–12) | PSNR: 37.17 -> 37.36 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Canon 5D Mark III ISO 3200 test images (13–15) | PSNR: 36.16 -> 36.22 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D800 ISO 6400 test images (7–9) | SSIM: 0.961 -> 0.968 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D800 ISO 1600 test images (1–3) | SSIM: 0.988 -> 0.990 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D800 ISO 3200 test images (4–6) | SSIM: 0.991 -> 0.993 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Nikon D600 ISO 3200 test images (10–12) | SSIM: 0.987 -> 0.988 | Helped |
| Use the proposed cross-channel, content-dependent noise model in BNLM | BNLM · Canon 5D Mark III ISO 3200 test images (13–15) | SSIM: 0.985 -> 0.987 | Helped |
| Estimate noise covariance using the proposed model rather than per-channel NLF | Noise estimation · Nikon D800 ISO 1600 test images (1–3) | covariance matrix error (mean): 5.02 -> 2.23 | Helped |
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