[CVPR 2021] Unsupervised Degradation Representation Learning for Blind Super-Resolution

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Deep LearningDASR
Overview

DASR

Pytorch implementation of "Unsupervised Degradation Representation Learning for Blind Super-Resolution", CVPR 2021

[arXiv]

Overview

Requirements

  • Python 3.6
  • PyTorch == 1.1.0
  • numpy
  • skimage
  • imageio
  • matplotlib
  • cv2

Train

1. Prepare training data

1.1 Download the DIV2K dataset and the Flickr2K dataset.

1.2 Combine the HR images from these two datasets in your_data_path/DF2K/HR to build the DF2K dataset.

2. Begin to train

Run ./main.sh to train on the DF2K dataset. Please update dir_data in the bash file as your_data_path.

Test

1. Prepare test data

Download benchmark datasets (e.g., Set5, Set14 and other test sets) and prepare HR/LR images in your_data_path/benchmark.

2. Begin to test

Run ./test.sh to test on benchmark datasets. Please update dir_data in the bash file as your_data_path.

Visualization of Degradation Representations

Comparative Results

Noise-Free Degradations with Isotropic Gaussian Kernels

General Degradations with Anisotropic Gaussian Kernels and Noises

Unseen Degradations

Real Degradations (AIM real-world SR challenge)

Citation

@InProceedings{Wang2021Unsupervised,
  author    = {Wang, Longguang and Wang, Yingqian and Dong, Xiaoyu and Xu, Qingyu and Yang, Jungang and An, Wei and Guo, Yulan},
  title     = {Unsupervised Degradation Representation Learning for Blind Super-Resolution},
  booktitle = {CVPR},
  year      = {2021},
}

Acknowledgements

This code is built on EDSR (PyTorch), IKC and MoCo. We thank the authors for sharing the codes.

Owner
Longguang Wang
Longguang Wang
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