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| <p align="center"> | |
| <a href="README_ZH.md">中文</a> | <a href="README.md">English</a> | |
| </p> | |
| # Introduction | |
| 本数据集是从 [DocLayNet-v1.2](https://huggingface.co/datasets/ds4sd/DocLayNet-v1.2)数据集下载的47个parquet文件, | |
| - 选取了其中 `misc/selected_pngs.txt`的14184张图片进行标注,可以从这里获取具体是哪47个parquet文件。由于有些图片页码位置格式一致,就没有全部标注。有些图片没有页码,无法标注. | |
| - 实际标注了4899张,见`box_single/`(4816张)和`box_multi/`(83张). 提示:自行决定是否使用`box_multi/`数据集,因为可能会误导模型。 | |
| - 选取了部分(334张)没有页码的图片,用于训练YOLO模型,提供负例。见`no_boxes/`. | |
| - 此外,从[HuggingFace](https://huggingface.co/datasets/wqzh/Gaokao-Admission-Chart-Segment), 或者[ModelScope](https://www.modelscope.cn/datasets/wqzh117/Gaokao-Admission-Chart-Segment)中选取了中文格式的书籍进行标注,见`pipe-adp/`(1026张). | |
| # Labels | |
| ``` | |
| ├── DocLayout-PageNumDet/ | |
| ├── labels/ | |
| │ ├── box_single/ | |
| │ │ ├── image_1.txt | |
| │ │ ├── image_2.txt | |
| │ │ | |
| │ ├── no_boxes/ | |
| │ ├── image_a.txt (empty txt file) | |
| │ ├── image_b.txt | |
| ... | |
| ``` | |
| # Models | |
| ``` | |
| DocLayout-PageNumDet/models | |
| ├── ch_PP-OCRv3_rec_infer.onnx (paddleocr onnx) | |
| ├── ppocr_keys_v1.txt | |
| ├── yolo11-medium-page-best.pt (yolo11 pt, detect page box) | |
| ├── yolo11-medium-page-best-quant-ir9.onnx (onnx quantization) | |
| ├── yolo11-nano-page-best.pt | |
| ├── yolo11-nano-page-best-quant-ir9.onnx | |
| ├── yolo11-small-page-best.pt | |
| └── yolo11-small-page-best-quant-ir9.onnx | |
| ``` | |
| 为了更好的检测效果,可以考虑模型集成。 | |
| # RUN | |
| 加载一张图片,检测框,ocr识别,返回的是: | |
| [[x1, y1, x2, y2, conf, text], ...] | |
| 列表的长度为检测出的框的数量,六元组是每个框的坐标、置信度、检测的文本(页码)。 | |
| 每张图片裁剪出的页码会保存在`./tmp/`文件夹下,可自行查看。 | |
| ```shell | |
| #python src/det_and_ocr_pt.py <image_or_dir> | |
| #python src/det_and_ocr_onnx.py <image_or_dir> | |
| #python src/det_and_ocr_onnx_wo_opencv.py <image_or_dir> ## without opencv library | |
| # one image | |
| CUDA_VISIBLE_DEVICES=1 python src/det_and_ocr_pt.py examples/00-80T-80_433.png | |
| CUDA_VISIBLE_DEVICES=1 python src/det_and_ocr_onnx.py examples/00-80T-80_433.png | |
| # one dir | |
| CUDA_VISIBLE_DEVICES=1 python src/det_and_ocr_pt.py examples/ | |
| CUDA_VISIBLE_DEVICES=1 python src/det_and_ocr_onnx.py examples/ | |
| ``` | |
| # ONNX | |
| 对应的onnx权重导出命令为 | |
| ```shell | |
| python src/export_onnx.py | |
| ``` | |
| ## onnx file size comparison | |
| ``` | |
| 37M models/yolo11-small-page-best-ir9.onnx | |
| 37M models/yolo11-small-page-best.onnx | |
| 37M models/yolo11-small-page-best.onnx.data | |
| 19M models/yolo11-small-page-best.pt | |
| 9.3M models/yolo11-small-page-best-quant-ir9.onnx | |
| ``` | |