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Old Photo Restoration (Official PyTorch Implementation)

Project Page | Paper (CVPR version) | Paper (Journal version) | Pretrained Model | Colab Demo | Replicate Demo & Docker Image 🔥

Bringing Old Photos Back to Life, CVPR2020 (Oral)

Old Photo Restoration via Deep Latent Space Translation, TPAMI 2022

Ziyu Wan1, Bo Zhang2, Dongdong Chen3, Pan Zhang4, Dong Chen2, Jing Liao1, Fang Wen2
1City University of Hong Kong, 2Microsoft Research Asia, 3Microsoft Cloud AI, 4USTC

✨ News

2022.3.31: Our new work regarding old film restoration will be published in CVPR 2022. For more details, please refer to the project website and github repo.

The framework now supports the restoration of high-resolution input.

Training code is available and welcome to have a try and learn the training details.

You can now play with our Colab and try it on your photos.


The code is tested on Ubuntu with Nvidia GPUs and CUDA installed. Python>=3.6 is required to run the code.


Clone the Synchronized-BatchNorm-PyTorch repository for

cd Face_Enhancement/models/networks/
git clone
cp -rf Synchronized-BatchNorm-PyTorch/sync_batchnorm .
cd ../../../
cd Global/detection_models
git clone
cp -rf Synchronized-BatchNorm-PyTorch/sync_batchnorm .
cd ../../

Download the landmark detection pretrained model

cd Face_Detection/
bzip2 -d shape_predictor_68_face_landmarks.dat.bz2
cd ../

Download the pretrained model, put the file Face_Enhancement/ under ./Face_Enhancement, and put the file Global/ under ./Global. Then unzip them respectively.

cd Face_Enhancement/
cd ../
cd Global/
cd ../

Install dependencies:

pip install -r requirements.txt

🚀 How to use?

Note: GPU can be set 0 or 0,1,2 or 0,2; use -1 for CPU

1) Full Pipeline

You could easily restore the old photos with one simple command after installation and downloading the pretrained model.

For images without scratches:

python --input_folder [test_image_folder_path] \
              --output_folder [output_path] \
              --GPU 0

For scratched images:

python --input_folder [test_image_folder_path] \
              --output_folder [output_path] \
              --GPU 0 \

For high-resolution images with scratches:

python --input_folder [test_image_folder_path] \
              --output_folder [output_path] \
              --GPU 0 \
              --with_scratch \

Note: Please try to use the absolute path. The final results will be saved in ./output_path/final_output/. You could also check the produced results of different steps in output_path.

2) Scratch Detection

Currently we don't plan to release the scratched old photos dataset with labels directly. If you want to get the paired data, you could use our pretrained model to test the collected images to obtain the labels.

cd Global/
python --test_path [test_image_folder_path] \
                    --output_dir [output_path] \
                    --input_size [resize_256|full_size|scale_256]

3) Global Restoration

A triplet domain translation network is proposed to solve both structured degradation and unstructured degradation of old photos.

cd Global/
python --Scratch_and_Quality_restore \
               --test_input [test_image_folder_path] \
               --test_mask [corresponding mask] \
               --outputs_dir [output_path]

python --Quality_restore \
               --test_input [test_image_folder_path] \
               --outputs_dir [output_path]

4) Face Enhancement

We use a progressive generator to refine the face regions of old photos. More details could be found in our journal submission and ./Face_Enhancement folder.

NOTE: This repo is mainly for research purpose and we have not yet optimized the running performance.

Since the model is pretrained with 256*256 images, the model may not work ideally for arbitrary resolution.

5) GUI

A user-friendly GUI which takes input of image by user and shows result in respective window.

How it works:

  1. Run file.
  2. Click browse and select your image from test_images/old_w_scratch folder to remove scratches.
  3. Click Modify Photo button.
  4. Wait for a while and see results on GUI window.
  5. Exit window by clicking Exit Window and get your result image in output folder.

How to train?

1) Create Training File

Put the folders of VOC dataset, collected old photos (e.g., Real_L_old and Real_RGB_old) into one shared folder. Then

cd Global/data/

Note: Remember to modify the code based on your own environment.

2) Train the VAEs of domain A and domain B respectively

cd ..
python --use_v2_degradation --continue_train --training_dataset domain_A --name domainA_SR_old_photos --label_nc 0 --loadSize 256 --fineSize 256 --dataroot [your_data_folder] --no_instance --resize_or_crop crop_only --batchSize 100 --no_html --gpu_ids 0,1,2,3 --self_gen --nThreads 4 --n_downsample_global 3 --k_size 4 --use_v2 --mc 64 --start_r 1 --kl 1 --no_cgan --outputs_dir [your_output_folder] --checkpoints_dir [your_ckpt_folder]

python --continue_train --training_dataset domain_B --name domainB_old_photos --label_nc 0 --loadSize 256 --fineSize 256 --dataroot [your_data_folder]  --no_instance --resize_or_crop crop_only --batchSize 120 --no_html --gpu_ids 0,1,2,3 --self_gen --nThreads 4 --n_downsample_global 3 --k_size 4 --use_v2 --mc 64 --start_r 1 --kl 1 --no_cgan --outputs_dir [your_output_folder]  --checkpoints_dir [your_ckpt_folder]

Note: For the --name option, please ensure your experiment name contains "domainA" or "domainB", which will be used to select different dataset.

3) Train the mapping network between domains

Train the mapping without scratches:

python --use_v2_degradation --training_dataset mapping --use_vae_which_epoch 200 --continue_train --name mapping_quality --label_nc 0 --loadSize 256 --fineSize 256 --dataroot [your_data_folder] --no_instance --resize_or_crop crop_only --batchSize 80 --no_html --gpu_ids 0,1,2,3 --nThreads 8 --load_pretrainA [ckpt_of_domainA_SR_old_photos] --load_pretrainB [ckpt_of_domainB_old_photos] --l2_feat 60 --n_downsample_global 3 --mc 64 --k_size 4 --start_r 1 --mapping_n_block 6 --map_mc 512 --use_l1_feat --niter 150 --niter_decay 100 --outputs_dir [your_output_folder] --checkpoints_dir [your_ckpt_folder]

Traing the mapping with scraches:

python --no_TTUR --NL_res --random_hole --use_SN --correlation_renormalize --training_dataset mapping --NL_use_mask --NL_fusion_method combine --non_local Setting_42 --use_v2_degradation --use_vae_which_epoch 200 --continue_train --name mapping_scratch --label_nc 0 --loadSize 256 --fineSize 256 --dataroot [your_data_folder] --no_instance --resize_or_crop crop_only --batchSize 36 --no_html --gpu_ids 0,1,2,3 --nThreads 8 --load_pretrainA [ckpt_of_domainA_SR_old_photos] --load_pretrainB [ckpt_of_domainB_old_photos] --l2_feat 60 --n_downsample_global 3 --mc 64 --k_size 4 --start_r 1 --mapping_n_block 6 --map_mc 512 --use_l1_feat --niter 150 --niter_decay 100 --outputs_dir [your_output_folder] --checkpoints_dir [your_ckpt_folder] --irregular_mask [absolute_path_of_mask_file]

Traing the mapping with scraches (Multi-Scale Patch Attention for HR input):

python --no_TTUR --NL_res --random_hole --use_SN --correlation_renormalize --training_dataset mapping --NL_use_mask --NL_fusion_method combine --non_local Setting_42 --use_v2_degradation --use_vae_which_epoch 200 --continue_train --name mapping_Patch_Attention --label_nc 0 --loadSize 256 --fineSize 256 --dataroot [your_data_folder] --no_instance --resize_or_crop crop_only --batchSize 36 --no_html --gpu_ids 0,1,2,3 --nThreads 8 --load_pretrainA [ckpt_of_domainA_SR_old_photos] --load_pretrainB [ckpt_of_domainB_old_photos] --l2_feat 60 --n_downsample_global 3 --mc 64 --k_size 4 --start_r 1 --mapping_n_block 6 --map_mc 512 --use_l1_feat --niter 150 --niter_decay 100 --outputs_dir [your_output_folder] --checkpoints_dir [your_ckpt_folder] --irregular_mask [absolute_path_of_mask_file] --mapping_exp 1


If you find our work useful for your research, please consider citing the following papers :)

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},
  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},

If you are also interested in the legacy photo/video colorization, please refer to this work.


This project is currently maintained by Ziyu Wan and is for academic research use only. If you have any questions, feel free to contact [email protected].


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 [email protected] with any additional questions or comments.

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