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SSP-AI-Generated-Image-Detection

This is the official implementation for the following research paper:

A Single Simple Patch is All You Need for AI-generated Image Detection [arxiv]

Jiaxuan Chen, Jieteng Yao, and Li Niu

Note that in the paper, we proposed Enhanced SSP (ESSP) to improve its robustness against blur and compression. Currently, we only release the code of SSP (the flowchart is shown in the following figure). The code of ESSP will be released soon.

Environment Setup

You can install the required packages by running the command:

pip install -r requirements.txt

Dataset

The training set and testing set used in the paper can be downloaded from GenImage. This dataset contains data from eight generators. After downloading the dataset, you need to specify the root path in the options. The dataset can be organized as follows:

GenImage/
├── imagenet_ai_0419_biggan
    ├── train
        ├── ai
        ├── nature
    ├── val
        ├── ai
        ├── nature
└── imagenet_ai_0419_sdv4
    ├── train
        ├── ai
        ├── nature
    ├── val
        ├── ai
        ├── nature
└── imagenet_ai_0419_vqdm
    ...
└── imagenet_ai_0424_sdv5
    ...
└── imagenet_ai_0424_wukong
    ...
└── imagenet_ai_0508_adm
    ...
└── imagenet_glide
    ...
└── imagenet_midjourney
    ...

Training and Validation

You can simply run the following script to train and validate your model:

sh train_val.sh

Testing

You can simply run the following script to test your model:

sh test.sh

Our pretrained models on eight dataests can be downloaded from Baidu Cloud (code:bcmi) or OneDrive.

Results on GenImage

The results of ResNet50 baseline and our SSP method with different training and test subsets. In each slot, the left number is the result of ResNet50 and the right number is the result of our SSP.