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geopi1 committed Aug 24, 2020
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Expand Up @@ -7,6 +7,8 @@ for Blind Super Resolution via [Kernel Estimation](https://arxiv.org/abs/1909.06
In this project we aim to extend USRNet [1] for Blind Super Resolution. We
added a step of blind kernel estimation [2] and noise STD estimation [3] algorithm. These additions show SOTA performance in Blind-SR

Written with Eyal Naor - https://github.com/eyalnaor

![Default](./results/0002_x4_usrnetdefaultdefault_noise_LE.png)
## Getting Started

Expand Down Expand Up @@ -71,20 +73,18 @@ This will calculate the mean PSNR and SSIM on the SR<->HR on all the results
## Numerical Results
| Metric | Default | Default + Noise Est. | Kernel Est. | Kernel Est. + Noise Est. |
| ------------- | -------------- | -------------------- | ---------------- | ------------------------ |
| PSNR | 22.35 dB | 22.30 (-0.05) dB | <span style=color:green;”> 26.31 (+3.96) dB</span> | 26.29 (+3.94) dB |
| PSNR | 22.35 dB | 22.30 (-0.05) dB | 26.31 (+3.96) dB | 26.29 (+3.94) dB |
| SSIM | 0.756 | 0.755 (-0.001) | 0.797 (+0.041) | 0.797 (+0.041) |

## Visual Results
On the left, the LR image and on the Right the reconstructed HR image.
On each image we see (top) the default USRNet estimation with the default kernel, (middle) Blind-USRNet with the estimated kernel and (bottom) Ground Truth.
The blur kernel of the LR image is at the top left corner.
Default:
![Default](./results/0002_x4_usrnetdefaultdefault_noise_LE.png)
Ours:
![Ours](./results/0002_x4_usrnetKernelGANdefault_noise_LE.png)
Default:
![Default](./results/0008_x4_usrnetdefaultdefault_noise_LE.png)
Ours:
![Ours](./results/0008_x4_usrnetKernelGANdefault_noise_LE.png)
Example 1:
![Default](./results/Picture1.png)
Example 2:
![Ours](./results/Picture2.png)
Example 3:
![Default](./results/Picture3.png)

## License

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