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ComfyUI-Bringing-Old-Photos-Back-to-Life

Enhance old or low-quality images in ComfyUI. Optional features include automatic scratch removal and face enhancement. Requires installing a number of small checkpoints and VAEs.

Based on microsoft/Bringing-Old-Photos-Back-to-Life.

Screenshot of full node workflow for Bringing Old Photos Back to Life in ComfyUI.

1. Requirements

Before installing, make sure that any virtual environment is activated and if needed, prepend the target python executable before the pip command.

cd ./ComfyUI-Bringing-Old-Photos-Back-to-Life/
path\to\python.exe pip install -r requirements.txt --upgrade

PyTorch and TorchVision are also required, but should already be installed. (See the main ComfyUI repo for installation details.)

Installation Troubleshooting

You may encounter issues while trying to install dlib on Windows. Here are some possible solutions:

  1. Manually install requirements.

You may need to have CMake already installed on your system and CMake\bin added to your PATH to build Dlib.

path\to\python.exe -m pip install easydict matplotlib opencv-python scikit-image scipy

path\to\python.exe -m pip install cmake
path\to\python.exe -m pip install dlib==19.24.1
  1. Find pre-built wheels online.

Alternatively, some people have pre-built wheels for Dlib, however, there may not be any built with your version of python.

path\to\python.exe -m pip install path\to\dlib.whl

2. Models

BOPBTL Models (Stage 1)

Download - BOPBTL Models

Load Restore Old Photos Model

Set device_ids as a comma separated list of device ids (i.e. 0 or 1,2). Use -1 for cpu.

vae_a

Place in models/vae/.

  • restoration/VAE_A_quality/latest_net_G.pth
vae_b

Extract the following models and place them inside models/vae/.

  • restoration/VAE_B_quality/latest_net_G.pth
  • restoration/VAE_B_scratch/latest_net_G.pth (scratch_detection)
mapping_net

Extract the following models and place them inside models/checkpoints/.

  • restoration/mapping_quality/latest_net_mapping_net.pth
  • restoration/mapping_scratch/latest_net_mapping_net.pth (scratch_detection)
  • restoration/mapping_Patch_Attention/latest_net_mapping_net.pth (mapping_patch_attention)

Load Scratch Mask Model

scratch_model

Extract the following models and place them inside models/checkpoints/.

  • detection/FT_Epoch_latest.pt

Face Detection Models (Stages 2-4)

Load Face Detector Model (Dlib)

Download - shape_predictor_68_face_landmarks.dat

Extract the following models and place them inside models/facedetection/ (custom directory).

shape_predictor_68_face_landmarks
  • shape_predictor_68_face_landmarks.dat

Load Face Enhancer Model

Download - Face Enhancement Models

Extract the following models and place them inside models/checkpoints/.

Set device_ids as a comma separated list of device ids (i.e. 0 or 1,2). Use -1 for cpu.

face_enhance_model
  • Setting_9_epoch_100/latest_net_G.pth (256x256)
  • FaceSR_512/latest_net_G.pth (512x512)

3. Workflows

BOPBTL + Scratch Detection and Face Enhancement (Stages 1-4)

Screenshot of full node workflow for Bringing Old Photos Back to Life in ComfyUI.

Face Enhancement (Advanced) (Stages 2-4)

Screenshot of advanced face enhancement node workflow for Bringing Old Photos Back to Life in ComfyUI.

x4 BOPBTL + Scratch Detection and Face Enhancement (Advanced) (Stages 1-4)

Screenshot of full node x4 workflow with advanced face enhancement for Bringing Old Photos Back to Life in ComfyUI.

Running the models may fail if image dimensions are not multiples of 8 or 16 pixels (depends on the model used).

Screenshot of full node workflow for Bringing Old Photos Back to Life in ComfyUI, using ComfyUI Image Round nodes

Screenshot of advanced face enhancement node workflow for Bringing Old Photos Back to Life in ComfyUI, using ComfyUI Image Round nodes.

Screenshot of full node x4 workflow with advanced face enhancement for Bringing Old Photos Back to Life in ComfyUI, using ComfyUI Image Round nodes

4. Hints

  • Images may need to be scaled/cropped/padded to the nearest 8 or 16 pixels to avoid a crash. (Use something like my other ComfyUI-Image-Round nodes.)
  • "Detect Faces (Dlib)" and "Enhance Faces" nodes will currently return the original image if no faces were found.

Citation

@inproceedings{wan2020bringing,
  title={Bringing Old Photos Back to Life},
  author={Wan, Ziyu and Zhang, Bo and Chen, Dongdong and Zhang, Pan and Chen, Dong and Liao, Jing and Wen, Fang},
  booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition},
  pages={2747--2757},
  year={2020}
}
@article{wan2020old,
  title={Old Photo Restoration via Deep Latent Space Translation},
  author={Wan, Ziyu and Zhang, Bo and Chen, Dongdong and Zhang, Pan and Chen, Dong and Liao, Jing and Wen, Fang},
  journal={arXiv preprint arXiv:2009.07047},
  year={2020}
}

License

The codes and the pretrained model in this repository are under the MIT license as specified by the LICENSE file. We use our labeled dataset to train the scratch detection model.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

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