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SkyTransfer

Introduction

An AI tool based on SkyAR(https://github.com/jiupinjia/SkyAR.git). SkyTransfer only have the function of transfering the images. The result image is the image you get after transfering the sky of the style image to the content image.

Requirements

In the file called Requirements.txt, you can find all the packages you need to install before running the code.

pip install -r Requirements.txt

Usage

First, you need to download the pretrained model from the link below: https://drive.google.com/file/d/1COMROzwR4R_7mym6DL9LXhHQlJmJaV0J/view?usp=sharing

Then, you need to unzip the file and put the checkpoints_G_coord_resnet50 folder in the same folder with the start.py file.

python start.py --path ./config/config-my_photo-galaxy.json

Then you can get an image int the ./output folder. In order to difference the output images, the name of the output image folder in ./output ends with the time you run the code.

You can also use the --path to specify the config file you want to use. Here is the example of the config file:

{
    "net_G": "coord_resnet50",
    "ckptdir": "./checkpoints_G_coord_resnet50",

    "datadir": "./imageinput",
    "skybox": "seaSunSet.jpg",
  
    "in_size_w": 384,
    "in_size_h": 384,
    "out_size_w": 845,
    "out_size_h": 480,
  
    "skybox_center_crop": 0.5,
    "auto_light_matching": true,
    "relighting_factor": 0.8,
    "recoloring_factor": 0.5,
    "halo_effect": true,
  
    "output_dir": "./output",
    "save_jpgs": true
  }

WARNING: The skybox is the style image you want to transfer to the content image. You have better not change the name of it.

New Mode ( in the branch beta)

Now you can change the app mode to Server mode. In this mode, you can send http request to the server and get the result image.

python start.py --on-server True

Then you can find the server is running on the port 9889.

INFO:     Started server process [xxxxx]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
INFO:     Uvicorn running on http://127.0.0.1:9889 (Press CTRL+C to quit)

You can send the request to the server using the url below:

http://localhost:9889/api/sky-transfer

The request method is POST. Use form-data to send the request. The key of the image you want to transfer is file. The other key is maskId, which is the id of the mask you want to use in the skybox dir.

Result

Input image: Output image: If the color of the input image is too dark, the result image will be too dark to see the details.

Reference

@inproceedings{zou2020skyar,
    title={Castle in the Sky: Dynamic Sky Replacement and Harmonization in Videos},
    author={Zhengxia Zou},
    year={2020},
    journal={arXiv preprint arXiv:2010.11800},
}

Last but not least, thanks for the author of SkyAR, Zhengxia Zou.