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All Projects → WenlongZhang0517 → Ranksrgan

WenlongZhang0517 / Ranksrgan

ICCV 2019 (oral) RankSRGAN: Generative Adversarial Networks with Ranker for Image Super-Resolution. PyTorch implementation

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pytorchgangenerative-adversarial-networksuper-resolution

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RankSRGAN

Paper | Supplementary file | Project Page

RankSRGAN: Generative Adversarial Networks with Ranker for Image Super-Resolution

By Wenlong Zhang, Yihao Liu, Chao Dong, Yu Qiao

Dependencies

Codes

  • We update the codes version based on mmsr. The old version can be downloaded from Google Drive
  • This version is under testing. We will provide more details of RankSRGAN in near future.

How to Test

  1. Clone this github repo.
git clone https://github.com/WenlongZhang0724/RankSRGAN.git
cd RankSRGAN
  1. Place your own low-resolution images in ./LR folder.
  2. Download pretrained models from Google Drive. Place the models in ./experiments/pretrained_models/. We provide three Ranker models and three RankSRGAN models (see model list).
  3. Run test. We provide RankSRGAN (NIQE, Ma, PI) model and you can config in the test.py.
python test.py -opt options/test/test_RankSRGAN.yml
  1. The results are in ./results folder.

How to Train

Train Ranker

  1. Download DIV2K and Flickr2K from Google Drive or Baidu Drive
  2. Generate rank dataset ./datasets/generate_rankdataset/
  3. Run command:
python train_rank.py -opt options/train/train_Ranker.yml

Train RankSRGAN

We use a PSNR-oriented pretrained SR model to initialize the parameters for better quality.

  1. Prepare datasets, usually the DIV2K dataset.
  2. Prerapre the PSNR-oriented pretrained model. You can use the mmsr_SRResNet_pretrain.pth as the pretrained model that can be downloaded from Google Drive.
  3. Modify the configuration file options/train/train_RankSRGAN.json
  4. Run command:
python train.py -opt options/train/train_RankSRGAN.yml

or

python train_niqe.py -opt options/train/train_RankSRGAN.yml

Using the train.py can output the convergence curves with PSNR; Using the train_niqe.py can output the convergence curves with NIQE and PSNR.

Acknowledgement

Note that the project description data, including the texts, logos, images, and/or trademarks, for each open source project belongs to its rightful owner. If you wish to add or remove any projects, please contact us at [email protected].