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geopi1 committed Aug 25, 2020
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### Datasets
Download the Datasets (a bicubically downscaled version of DIV2K):

[Download DIV2K](https://drive.google.com/drive/folders/1wITaNr7KNg_keUnK4myKjUoKA4HGeONA?usp=sharing)
This link will download 2 folders:
* DIV2K_LR - the low resolution input
* DIV2K_HR_ds2 - Ground truth high resolution images
The following links will download the data folders:
* [DIV2K_HR_ds2](https://technionmail-my.sharepoint.com/:f:/g/personal/pisha_campus_technion_ac_il/EvDI2KscamdIthHRiThIGkIBlDVlADiD6C89g4w0Yr6qbQ?e=Y7MBql) - Ground truth high resolution images
* [DIV2K_LR](https://technionmail-my.sharepoint.com/:f:/g/personal/pisha_campus_technion_ac_il/EpBY9tozdZhNiM7m1M4yQtsB-GGHnDKHQK_KidTVYpCwVQ?e=u4hhZ1) - the low resolution input

To reproduce the results place the DIV2K_LR images in ./input_images
### Prerequisites
Tested and ran on:
* UBUNTU 18.04
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| 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) |

To download the results use the following links:

* [USRGAN_results](https://technionmail-my.sharepoint.com/:f:/g/personal/pisha_campus_technion_ac_il/Evr8_LPl4YREoNp8Lvy4TVcBoXoqrxCB32dQDgDeFz0MQw?e=omnuhY) - USRGAN Results
* [USRNet_results](https://technionmail-my.sharepoint.com/:f:/g/personal/pisha_campus_technion_ac_il/Ej-ltn6AfO1PlaV1qdXKODABkEGoPZPSnJdQvDB_2OjrWg?e=mSAbKx) - USRNet Results

Each will download 800 folders where each folder has the following files:
1. <im_number>_kernel_x2.mat - the estimated kernel
2. <im_number>\_x4\_<net_type>\_defaultdefualt_noise.png - HR reconstruction with default kernel and default noise levels
3. <im_number>\_x4\_<net_type>\_defaultdefualt_noise_LE.png - side-by-side of (2) and NN interpolation LR image
4. <im_number>\_x4\_<net_type>\_defaultest_noise.png - HR reconstruction with default kernel and estimated noise levels
5. <im_number>\_x4\_<net_type>\_defaultdest_noise_LE.png - side-by-side of (4) and NN interpolation LR image
6. <im_number>\_x4\_<net_type>\_KernelGANdefault_noise.png - HR reconstruction with estimated kernel and default noise levels
7. <im_number>\_x4\_<net_type>\_KernelGANdefault_noise_LE.png - side-by-side of (6) and NN interpolation LR image
8. <im_number>\_x4\_<net_type>\_KernelGANest_noise.png - HR reconstruction with estimated kernel and estimated noise levels
9. <im_number>\_x4\_<net_type>\_KernelGANest_noise_LE.png - side-by-side of (8) and NN interpolation LR image

5. psnr_log.txt - psnr & SSIM calculation for each image

## Visual Results
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.
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