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[ECCV 2024] GLARE: Low Light Image Enhancement via Generative Latent Feature based Codebook Retrieval [Paper]

Introduction

This repository represents the official implementation of our ECCV 2024 paper titled GLARE: Low Light Image Enhancement via Generative Latent Feature based Codebook Retrieval. If you find this repo useful, please give it a star ⭐ and consider citing our paper in your research. Thank you.

We present GLARE, a novel network for low-light image enhancement.

• Codebook-based LLIE: exploit normal-light (NL) images to extract NL codebook prior as the guidance.
• Generative Feature Learning: develop an invertible latent normalizing flow strategy for feature alignment.
• Adaptive Feature Transformation: adaptively introduces input information into the decoding process and allows flexible adjustments for users.
• Future: network structure can be meticulously optimized to improve efficiency and performance in the future.

Overall Framework

📢 News

2024-12-19: Train code will be released in one week. ⭐ <br> 2024-09-25: Our another paper ECMamba: Consolidating Selective State Space Model with Retinex Guidance for Efficient Multiple Exposure Correction has been accepted by NeurIPS 2024. Code and pre-print will be released at: <a href="https://github.com/LowlevelAI/ECMamba"><img src="https://img.shields.io/github/stars/LowlevelAI/ECMamba"/></a>. :rocket:<br> 2024-09-21: Inference code for unpaired images and pre-trained models for LOL-v2-real is released! :rocket:<br> 2024-07-21: Inference code and pre-trained models for LOL is released! Feel free to use them. ⭐ <br> 2024-07-21: License is updated to Apache License, Version 2.0. 💫 <br> 2024-07-19: Paper is available at: <a href="https://arxiv.org/pdf/2407.12431"><img src="https://img.shields.io/badge/arXiv-PDF-b31b1b" height="16"></a>. :tada: <br> 2024-07-01: Our paper has been accepted by ECCV 2024. Code and Models will be released. :rocket:<br>

∞ TODO

• 🔜 Training code.

🛠️ Setup

The inference code was tested on:

• Ubuntu 22.04 LTS, Python 3.8, CUDA 11.3, GeForce RTX 2080Ti or higher GPU RAM.

📦 Repository

Clone the repository (requires git):

git clone https://github.com/LowLevelAI/GLARE.git
cd GLARE

💻 Dependencies

• Make Conda Environment: Using Conda to create the environment:

  conda create -n glare python=3.8
  conda activate glare
  

• Then install dependencies:

  conda install pytorch=1.11 torchvision cudatoolkit=11.3 -c pytorch
  pip install addict future lmdb numpy opencv-python Pillow pyyaml requests scikit-image scipy tqdm yapf einops tb-nightly natsort
  pip install pyiqa==0.1.4 
  pip install pytorch_lightning==1.6.0
  pip install --force-reinstall charset-normalizer==3.1.0
  

• Build CUDA extensions:

  cd GLARE/defor_cuda_ext
  BASICSR_EXT=True python setup.py develop
  

• Remove CUDA extensions (/GLARE/defor_cuda_ext/basicsr/ops/dcn/deform_conv_ext.xxxxxx.so) to the path: /GLARE/code/models/modules/ops/dcn/.

🏃 Testing on benchmark datasets

📷 Download following datasets:

LOL Google Drive

LOL-v2 Google Drive

⬇ Download pre-trained models

Download pre-trained weights for LOL, pre-trained weights for LOL-v2-real and place them to folder pretrained_weights_lol, pretrained_weights_lol-v2-real, respectively.

🚀 Run inference

For LOL dataset

python code/infer_dataset_lol.py

For LOL-v2-real dataset

python code/infer_dataset_lolv2-real.py

For unpaired testing, please make sure the dataroot_unpaired in the .yml file is correct.

python code/infer_unpaired.py

You can find all results in results/. Enjoy!

🏋️ Training

Comming Soon~

✏️ Contributing

Please refer to this instruction.

🎓 Citation

Please cite our paper:

@InProceedings{Han_ECCV24_GLARE,
    author    = {Zhou, Han and Dong, Wei and Liu, Xiaohong and Liu, Shuaicheng and Min, Xiongkuo and Zhai, Guangtao and Chen, Jun},
    title     = {GLARE: Low Light Image Enhancement via Generative Latent Feature based Codebook Retrieval},
    booktitle = {Proceedings of the European Conference on Computer Vision (ECCV)},
    year      = {2024}
}

@article{GLARE,
      title = {GLARE: Low Light Image Enhancement via Generative Latent Feature based Codebook Retrieval}, 
      author = {Zhou, Han and Dong, Wei and Liu, Xiaohong and Liu, Shuaicheng and Min, Xiongkuo and Zhai, Guangtao and Chen, Jun},
      journal = {arXiv preprint arXiv:2407.12431},
      year = {2024}
}

🎫 License

This work is licensed under the Apache License, Version 2.0 (as defined in the LICENSE).

By downloading and using the code and model you agree to the terms in the LICENSE.