# Image Denoising on Kodak (PSNR by Sigma)

Source: [Image Denoising on Kodak (PSNR by Sigma)](<https://www.sota2.com/research/sota/image-denoising-on-kodak-psnr-by-sigma>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-04-21T10:25:41.483Z

Evaluation of image denoising performance on the Kodak dataset, reporting PSNR metrics specifically measured at noise levels sigma=15, sigma=25, and sigma=50.

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Image Denoising |
| Dataset (including any stated split) | Kodak |
| Metric | PSNR (dB, sigma=15) |
| Unit | SCALAR |
| Direction | Higher is better |
| Results loaded | 11 of 11 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [PSNR (dB, sigma=15)](<https://www.sota2.com/research/sota/image-denoising-on-kodak-psnr-by-sigma.md?metric=PSNR%20(dB%2C%20sigma%3D15)>): Higher is better; unit: SCALAR.

- [PSNR (dB, sigma=25)](<https://www.sota2.com/research/sota/image-denoising-on-kodak-psnr-by-sigma.md?metric=PSNR%20(dB%2C%20sigma%3D25)>): Higher is better; unit: SCALAR.

- [PSNR (dB, sigma=50)](<https://www.sota2.com/research/sota/image-denoising-on-kodak-psnr-by-sigma.md?metric=PSNR%20(dB%2C%20sigma%3D50)>): Higher is better; unit: SCALAR.

## Recorded results

| Method | PSNR (dB, sigma=15) | Result date | Report paper |
| --- | --- | --- | --- |
| Restormer | 35.44 | Not recorded | 69e704a47d0172140ec7ede1 |
| DSCA-Former | 35.42 | Not recorded | 69e704a47d0172140ec7ede1 |
| NLFeMF (25/15/9 nbr) | 35.37 | Not recorded | 69e704a47d0172140ec7ede1 |
| NLFeMF (15/9/7 nbr) | 35.33 | Not recorded | 69e704a47d0172140ec7ede1 |
| DRUNet | 35.31 | Not recorded | 69e704a47d0172140ec7ede1 |
| NLFeMF (15/7/5 nbr) | 35.3 | Not recorded | 69e704a47d0172140ec7ede1 |
| CTNet | 35.24 | Not recorded | 69e704a47d0172140ec7ede1 |
| NLFeMF (15 nbr) | 34.88 | Not recorded | 69e704a47d0172140ec7ede1 |
| FFDNet | 34.63 | Not recorded | 69e704a47d0172140ec7ede1 |
| DnCNN | 34.6 | Not recorded | 69e704a47d0172140ec7ede1 |
| BM3D | 34.28 | Not recorded | 69e704a47d0172140ec7ede1 |

### Restormer

PSNR (dB, sigma=15): 35.44. Result ID: 69e7509347f34ce924ce3824.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6bfc1e209131cea316e3.md>)

[Implementation](<https://github.com/swz30/Restormer>)

Recorded evaluation configuration: {"Params (M)":"26.1"}. This record does not assert independent reproduction.

### DSCA-Former

PSNR (dB, sigma=15): 35.42. Result ID: 69e7509347f34ce924ce3826.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

Recorded evaluation configuration: {"Params (M)":"65.1"}. This record does not assert independent reproduction.

### NLFeMF (25/15/9 nbr)

PSNR (dB, sigma=15): 35.37. Result ID: 69e7509347f34ce924ce382a.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

Recorded evaluation configuration: {"Params (M)":"15.3"}. This record does not assert independent reproduction.

### NLFeMF (15/9/7 nbr)

PSNR (dB, sigma=15): 35.33. Result ID: 69e7509347f34ce924ce3829.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

Recorded evaluation configuration: {"Params (M)":"7.5"}. This record does not assert independent reproduction.

### DRUNet

PSNR (dB, sigma=15): 35.31. Result ID: 69e7509347f34ce924ce3823.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6a551e209131cea2776a.md>)

Recorded evaluation configuration: {"Params (M)":"32.6"}. This record does not assert independent reproduction.

### NLFeMF (15/7/5 nbr)

PSNR (dB, sigma=15): 35.3. Result ID: 69e7509347f34ce924ce3828.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

Recorded evaluation configuration: {"Params (M)":"5.4"}. This record does not assert independent reproduction.

### CTNet

PSNR (dB, sigma=15): 35.24. Result ID: 69e7509347f34ce924ce3825.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70eb1e209131cea4e057.md>)

Recorded evaluation configuration: {"Params (M)":"49.0"}. This record does not assert independent reproduction.

### NLFeMF (15 nbr)

PSNR (dB, sigma=15): 34.88. Result ID: 69e7509347f34ce924ce3827.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

Recorded evaluation configuration: {"Params (M)":"0.786"}. This record does not assert independent reproduction.

### FFDNet

PSNR (dB, sigma=15): 34.63. Result ID: 69e7509347f34ce924ce3822.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa64a71e209131cea05e27.md>)

[Implementation](<https://github.com/cszn/FFDNet>)

Recorded evaluation configuration: {"Params (M)":"0.854"}. This record does not assert independent reproduction.

### DnCNN

PSNR (dB, sigma=15): 34.6. Result ID: 69e7509347f34ce924ce3821.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa63631e209131ce9fe4fc.md>)

[Implementation](<https://github.com/cszn/DnCNN>)

Recorded evaluation configuration: {"Params (M)":"0.854"}. This record does not assert independent reproduction.

### BM3D

PSNR (dB, sigma=15): 34.28. Result ID: 69e7509347f34ce924ce3820.

[Reporting paper](<https://www.sota2.com/research/paper/69e704a47d0172140ec7ede1.md>)

Recorded evaluation configuration: {"Params (M)":"-"}. This record does not assert independent reproduction.

Page 1 of 1. This is an index page, not the full collection.
