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| # Text-Guided-Image-Colorization | |
| This project utilizes the power of **Stable Diffusion (SDXL/SDXL-Light)** and the **BLIP (Bootstrapping Language-Image Pre-training)** captioning model to provide an interactive image colorization experience. Users can influence the generated colors of objects within images, making the colorization process more personalized and creative. | |
| ## Table of Contents | |
| - [Features](#features) | |
| - [Installation](#installation) | |
| - [Quick Start](#quick-start) | |
| - [Dataset Usage](#dataset-usage) | |
| - [Training](#training) | |
| - [Evaluation](#evaluation) | |
| - [Results](#results) | |
| - [License](#license) | |
| ## Features | |
| - **Interactive Colorization**: Users can specify desired colors for different objects in the image. | |
| - **ControlNet Approach**: Enhanced colorization capabilities through retraining with ControlNet, allowing SDXL to better adapt to the image colorization task. | |
| - **High-Quality Outputs**: Leverage the latest advancements in diffusion models to generate vibrant and realistic colorizations. | |
| - **User-Friendly Interface**: Easy-to-use interface for seamless interaction with the model. | |
| ## Installation | |
| To set up the project locally, follow these steps: | |
| 1. **Clone the Repository**: | |
| ```bash | |
| git clone https://github.com/nick8592/text-guided-image-colorization.git | |
| cd text-guided-image-colorization | |
| ``` | |
| 2. **Install Dependencies**: | |
| Make sure you have Python 3.7 or higher installed. Then, install the required packages: | |
| ```bash | |
| pip install -r requirements.txt | |
| ``` | |
| Install `torch` and `torchvision` matching your CUDA version: | |
| ```bash | |
| pip install torch torchvision --index-url https://download.pytorch.org/whl/cuXXX | |
| ``` | |
| Replace `XXX` with your CUDA version (e.g., `118` for CUDA 11.8). For more info, see [PyTorch Get Started](https://pytorch.org/get-started/locally/). | |
| 3. **Download Pre-trained Models**: | |
| | Models | Hugging Face (Recommand) | Other | | |
| |:---:|:---:|:---:| | |
| |SDXL-Lightning Caption|[link](https://huggingface.co/nickpai/sdxl_light_caption_output)|[link](https://gofile.me/7uE8s/FlEhfpWPw) (2kNJfV)| | |
| |SDXL-Lightning Custom Caption (Recommand)|[link](https://huggingface.co/nickpai/sdxl_light_custom_caption_output)|[link](https://gofile.me/7uE8s/AKmRq5sLR) (KW7Fpi)| | |
| ```bash | |
| text-guided-image-colorization/sdxl_light_caption_output | |
| └── checkpoint-30000 | |
| ├── controlnet | |
| │ ├── diffusion_pytorch_model.safetensors | |
| │ └── config.json | |
| ├── optimizer.bin | |
| ├── random_states_0.pkl | |
| ├── scaler.pt | |
| └── scheduler.bin | |
| ``` | |
| ## Quick Start | |
| 1. Run the `gradio_ui.py` script: | |
| ```bash | |
| python gradio_ui.py | |
| ``` | |
| 2. Open the provided URL in your web browser to access the Gradio-based user interface. | |
| 3. Upload an image and use the interface to control the colors of specific objects in the image. But still the model can generate images without a specific prompt. | |
| 4. The model will generate a colorized version of the image based on your input (or automatic). See the [demo video](https://x.com/weichenpai/status/1829513077588631987). | |
|  | |
| ## Dataset Usage | |
| You can find more details about the dataset usage in the [Dataset-for-Image-Colorization](https://github.com/nick8592/Dataset-for-Image-Colorization). | |
| ## Training | |
| For training, you can use one of the following scripts: | |
| - `train_controlnet.sh`: Trains a model using [Stable Diffusion v2](https://huggingface.co/stabilityai/stable-diffusion-2-1) | |
| - `train_controlnet_sdxl.sh`: Trains a model using [SDXL](https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0) | |
| - `train_controlnet_sdxl_light.sh`: Trains a model using [SDXL-Lightning](https://huggingface.co/ByteDance/SDXL-Lightning) | |
| Although the training code for SDXL is provided, due to a lack of GPU resources, I wasn't able to train the model by myself. Therefore, there might be some errors when you try to train the model. | |
| ## Evaluation | |
| For evaluation, you can use one of the following scripts: | |
| - `eval_controlnet.sh`: Evaluates the model using [Stable Diffusion v2](https://huggingface.co/stabilityai/stable-diffusion-2-1) for a folder of images. | |
| - `eval_controlnet_sdxl_light.sh`: Evaluates the model using [SDXL-Lightning](https://huggingface.co/ByteDance/SDXL-Lightning) for a folder of images. | |
| - `eval_controlnet_sdxl_light_single.sh`: Evaluates the model using [SDXL-Lightning](https://huggingface.co/ByteDance/SDXL-Lightning) for a single image. | |
| ## Results | |
| ### Prompt-Guided | |
| | Caption | Condition 1 | Condition 2 | Condition 3 | | |
| |:---:|:---:|:---:|:---:| | |
| |  |  |  | | | |
| | a photography of a woman in a soccer uniform kicking a soccer ball | + "green shirt"| + "purple shirt" | + "red shirt" | | |
| |  |  |  | | | |
| | a photography of a photo of a truck | + "bright red car"| + "dark blue car" | + "black car" | | |
| |  |  |  | | | |
| | a photography of a cat wearing a hat on his head | + "orange hat"| + "pink hat" | + "yellow hat" | | |
| ### Prompt-Free | |
| Ground truth images are provided solely for reference purpose in the image colorization task. | |
| | Grayscale Image | Colorized Result | Ground Truth | | |
| |:---:|:---:|:---:| | |
| |  |  |  | | |
| |  |  |  | | |
| |  |  |  | | |
| |  |  |  | | |
| |  |  |  | | |
| ## License | |
| This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for more details. | |