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README.md

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+# CleanFD Dataset
+
+Fake image detection dataset for training and evaluation.
+
+## Download & Extract
+
+```bash
+# huggingface_hub 설치 (필요시)
+pip install huggingface_hub
+
+# 다운로드
+huggingface-cli download leekwoon/cleanfd-dataset --repo-type dataset --local-dir ./cleanfd_data
+
+# 무결성 확인 (선택사항)
+cd cleanfd_data
+md5sum -c checksums.md5
+
+# 파일 합치기 및 압축 해제
+cat data.tar.gz.part_* | tar -xzvf -
+```
+
+## Directory Structure
+
+```
+data/
+├── train/
+│   ├── real/
+│   │   ├── coco/
+│   │   └── lsun/
+│   └── fake/
+│       ├── aligned/
+│       ├── ldm/
+│       ├── sd21_inpainted_*/
+│       └── ...
+├── val/
+│   ├── real/
+│   └── fake/
+├── test/
+│   ├── real/redcaps/
+│   └── fake/ (sd, Midjourney, flux, etc.)
+└── test_processed/
+    ├── real/
+    └── fake/
+```
+
+## Train Data Sources
+
+- **real**: COCO, LSUN
+- **fake**:
+  - aligned (Rajan aligned inversions)
+  - ldm (Latent Diffusion Model)
+  - sd21_inpainted_* (B-Free inpainting data)
+  - lsun_inpaint_* (LSUN inpainting)
+
+## Test Data Sources
+
+- **real**: RedCaps
+- **fake**: SD, Midjourney, Kandinsky, Playground, PixelArt, LCM, Flux, Wuerstchen, Amused, Chameleon, Loki, WildRF