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README.md
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---
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title: ZeroIG Low-Light Enhancement
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emoji: π
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colorFrom: blue
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colorTo: purple
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sdk: gradio
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sdk_version: 4.44.0
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app_file: app.py
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pinned: false
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license: mit
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---
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# ZeroIG: Zero-Shot Illumination-Guided Joint Denoising and Adaptive Enhancement
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π **CVPR 2024** | Zero-shot low-light image enhancement without training data
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## π Quick Start
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Upload a low-light image and get an enhanced version in seconds! No training required.
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## π About
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This space implements **ZeroIG**, a novel zero-shot method for jointly denoising and enhancing low-light images. The method is completely independent of training data and noise distribution.
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### β¨ Key Features
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- **Zero-shot**: No training data required
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- **Joint processing**: Simultaneous denoising and enhancement
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- **Illumination-guided**: Smart adaptive enhancement
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- **Prevents artifacts**: Avoids over-enhancement and localized overexposure
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- **Real-time**: Fast processing for practical use
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### π¬ How it Works
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1. **Illumination Estimation**: Extracts near-authentic illumination from the input
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2. **Adaptive Enhancement**: Applies different enhancement levels based on pixel intensity
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3. **Joint Denoising**: Removes noise while preserving image details
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4. **Artifact Prevention**: Prevents common enhancement artifacts
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## π Performance
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ZeroIG outperforms state-of-the-art methods on standard benchmarks while requiring no training data.
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## π― Use Cases
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- **Photography**: Rescue underexposed photos
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- **Security**: Enhance surveillance footage
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- **Mobile**: Real-time camera enhancement
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- **Medical**: Improve low-light medical imaging
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- **Astronomy**: Enhance night sky photography
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## πΌοΈ Supported Formats
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- JPEG, PNG, TIFF, BMP
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- RGB color images
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- Various resolutions (optimized for typical photo sizes)
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## β‘ Tips for Best Results
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- Works best with real low-light photos (not artificially darkened)
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- Indoor and outdoor scenes both supported
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- Processing time varies with image size (typically 10-30 seconds)
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## π Citation
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If you use this work, please cite:
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```bibtex
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@inproceedings{shi2024zero,
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title={ZERO-IG: Zero-Shot Illumination-Guided Joint Denoising and Adaptive Enhancement for Low-Light Images},
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author={Shi, Yiqi and Liu, Duo and Zhang, Liguo and Tian, Ye and Xia, Xuezhi and Fu, Xiaojing},
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booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition},
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pages={3015--3024},
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year={2024}
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}
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```
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## π Links
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- π [Paper](https://openaccess.thecvf.com/content/CVPR2024/papers/Shi_ZERO-IG_Zero-Shot_Illumination-Guided_Joint_Denoising_and_Adaptive_Enhancement_for_Low-Light_CVPR_2024_paper.pdf)
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- π» [Code](https://github.com/Doyle59217/ZeroIG)
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- π [Supplement](https://openaccess.thecvf.com/content/CVPR2024/supplemental/Shi_ZERO-IG_Zero-Shot_Illumination-Guided_CVPR_2024_supplemental.pdf)
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## π οΈ Technical Details
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- **Framework**: PyTorch
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- **CUDA**: Supported for GPU acceleration
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- **Memory**: Optimized for various image sizes
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- **Dependencies**: See requirements.txt
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## π₯ Authors
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Yiqi Shi, Duo Liu, Liguo Zhang, Ye Tian, Xuezhi Xia, Xiaojing Fu
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## π License
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MIT License - see LICENSE file for details
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---
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*Built with β€οΈ using Gradio and Hugging Face Spaces*
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