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[Preprint] "CERL: Coordinated Enhancement for Real-World Low-Light Noisy Images" by Zeyuan Chen, Yifan Jiang, Dong Liu and Zhangyang Wang

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CERL: A Unified Optimization Framework forLight Enhancement with Realistic Noise

Code used for CERL: A Unified Optimization Framework for Light Enhancement with Realistic Noise.

Representitive Results

representive_results

Overal Architecture

architecture

Training

python train.py

The parameters of fine-tuned denoising network (DnCNN) will be saved in ./checkpoints for testing.

Testing

  • Download pre-trained model parameters from Google Drive. Put them in ./checkpoints
  • Use pre-trained EnlightenGAN model to generate enhanced noisy images. Put them in ./test_imgs
python test.py

Realistic Low-light Mobile Photography (RLMP)

RLMP is a new benchmark of the real-world image low-light enhancement task. Images are captured by different types of smartphones. Compared with previous low-light datasets, images in RLMP typically display much more noticeable ISO noise, which complements the existing benchmarks and significantly challenges current enhancement methods. You can get RLMP from this link.

Citation

if you find this repo is helpful, please cite

@article{chen2021cerl,
  title={CERL: A Unified Optimization Framework for Light Enhancement with Realistic Noise},
  author={Zeyuan Chen and Yifan Jiang and Dong Liu and Zhangyang Wang},
  journal={arXiv preprint arXiv:2108.00478},
  year={2021}
}

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[Preprint] "CERL: Coordinated Enhancement for Real-World Low-Light Noisy Images" by Zeyuan Chen, Yifan Jiang, Dong Liu and Zhangyang Wang

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