Download_df2k

Result of download_df2k.sh file would be ...

$ tree -d ./datasets
.
├── DF2K
│   ├── DF2K_train_HR
│   ├── DF2K_train_LR_bicubic
│   │   ├── X2
│   │   ├── X3
│   │   └── X4
│   └── DF2K_train_LR_unknown
│       ├── X2
│       ├── X3
│       └── X4
├── DIV2K
│   ├── DIV2K_train_HR
│   ├── DIV2K_train_LR_bicubic
│   │   ├── X2
│   │   ├── X3
│   │   └── X4
│   ├── DIV2K_train_LR_unknown
│   │   ├── X2
│   │   ├── X3
│   │   └── X4
│   ├── DIV2K_valid_HR
│   ├── DIV2K_valid_LR_bicubic
│   │   ├── X2
│   │   ├── X3
│   │   └── X4
│   └── DIV2K_valid_LR_unknown
│       ├── X2
│       ├── X3
│       └── X4
├── Flickr2K
│   ├── Flickr2K_HR
│   ├── Flickr2K_LR_bicubic
│   │   ├── X2
│   │   ├── X3
│   │   └── X4
│   └── Flickr2K_LR_unknown
│       ├── X2
│       ├── X3
│       └── X4

Result of download_lsdir.sh file would be ...

$ tree -d ./LSDIR
.
├── Train
│   ├── HR
│   └── LR
│       ├── X2
│       ├── X3
│       └── X4
└── Valid
    ├── HR
    └── LR
        ├── X2
        ├── X3
        └── X4

If all filenaes of hr/lr must be same, run change_filename.py after download_df2k.sh

For other benchmarks, check this

Refs

DIV2K

@InProceedings{Agustsson_2017_CVPR_Workshops,
	author = {Agustsson, Eirikur and Timofte, Radu},
	title = {NTIRE 2017 Challenge on Single Image Super-Resolution: Dataset and Study},
	booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops},
	month = {July},
	year = {2017}
} 

@InProceedings{Timofte_2017_CVPR_Workshops,
author = {Timofte, Radu and Agustsson, Eirikur and Van Gool, Luc and Yang, Ming-Hsuan and Zhang, Lei and Lim, Bee and others},
title = {NTIRE 2017 Challenge on Single Image Super-Resolution: Methods and Results},
booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops},
month = {July},
year = {2017}
}

@InProceedings{Timofte_2018_CVPR_Workshops,
author = {Timofte, Radu and Gu, Shuhang and Wu, Jiqing and Van Gool, Luc and Zhang, Lei and
Yang, Ming-Hsuan and Haris, Muhammad and others},
title = {NTIRE 2018 Challenge on Single Image Super-Resolution: Methods and Results},
booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops},
month = {June},
year = {2018}
}

@InProceedings{Timofte_2018_CVPR_Workshops,
author = {Timofte, Radu and Gu, Shuhang and Wu, Jiqing and Van Gool, Luc and Zhang, Lei and
Yang, Ming-Hsuan and Haris, Muhammad and others},
title = {NTIRE 2018 Challenge on Single Image Super-Resolution: Methods and Results},
booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops},
month = {June},
year = {2018}
}

@InProceedings{Ignatov_2018_ECCV_Workshops,
author = {Ignatov, Andrey and Timofte, Radu and others},
title = {PIRM challenge on perceptual image enhancement on smartphones: report},
booktitle = {European Conference on Computer Vision (ECCV) Workshops},
month = {January},
year = {2019}
}

Flickr2K

@InProceedings{Lim_2017_CVPR_Workshops,
  author = {Lim, Bee and Son, Sanghyun and Kim, Heewon and Nah, Seungjun and Lee, Kyoung Mu},
  title = {Enhanced Deep Residual Networks for Single Image Super-Resolution},
  booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops},
  month = {July},
  year = {2017}
}