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kirl a64690477a Dataset: add READMEs, organize scripts, update .gitignore
- Add README.md to all 16 dataset directories with script references
- Centralize generation scripts under scripts/ with full README
- Update .gitignore to cover all data directories, keep only metadata
- Remove redundant CCPD/.gitignore (parent covers same rules)
- Remove stale scripts/test/ (254MB pipeline residue)
- Fix label parser reference: scripts are authoritative source of truth
2026-06-23 14:41:39 +08:00

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# CCPD 原始真图
> **以脚本为准**:`scripts/sample_ccpd_full.py` 决定如何读取和转换此目录。
| 项目 | 详情 |
|---|---|
| 来源 | CCPD2019 + CCPD2020 公开数据集 |
| 规模 | 353,158 张 |
| 标签格式 | CCPD 文件名编码(`parse_ccpd_filename` 解析) |
| 下游脚本 | `scripts/sample_ccpd_full.py` → `CCPD_REAL_TRANS/` |
| 训练用途 | 不直接用于训练,仅作为生成脚本的输入源 |
```
CCPD/
├── CCPD2019/ # ccpd_base / blur / challenge / fn / rotate / tilt / weather / np
└── CCPD2020/ # 同上结构
```
│ ├── ccpd_tilt/ # 30,216 张
│ ├── ccpd_weather/ # 9,999 张
│ └── splits/ # 标注文件(本地,不入库)
├── CCPD2020/ # 原始 CCPD2020(本地,不入库)
│ └── ccpd_green/ # 11,776 张
├── .gitignore # 排除 CCPD2019/ CCPD2020/
└── README.md # 本文件
```
## 解压 7z 归档(如有)
```bash
7z x CCPD2019_ccpd_base.7z -oCCPD2019/
7z x CCPD2019_ccpd_blur.7z -oCCPD2019/
# ... 依此类推
```
## 自有数据集
本目录后续用于存放项目自有的车牌数据集(非 CCPD),通过 Git LFS 管理。