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minerU_readme.md
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---
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language:
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- zh
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- en
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license: apache-2.0
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library_name: transformers
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pipeline_tag: feature-extraction
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tags:
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- pdf-to-markdown
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- feature-extraction
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---
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# MinerU PDF to Markdown Model
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这个模型可以将PDF文档转换为Markdown格式。
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## Model Description
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MinerU使用多模型组合架构:
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- Layout: 文档布局分析 (Detectron2)
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- MFD: 数学公式检测 (PyTorch)
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- MFR: 数学公式识别 (BERT-based)
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- TabRec: 表格识别与重建 (T5-based)
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## Intended Uses
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本模型用于将PDF文档自动转换为Markdown格式,支持:
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- 文本布局分析
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- 数学公式识别
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- 表格结构重建
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## Usage
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```python
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from transformers import pipeline
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converter = pipeline("document-conversion", model="kitjesen/MinerU")
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markdown = converter("document.pdf")
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```
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## Limitations and Bias
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- 最大支持页数:100页
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- PDF文件大小限制:50MB
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- 支持语言:中文、英文
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## Training Data
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模型使用以下数据训练:
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- 学术论文数据集
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- 教材文档数据集
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- 技术文档数据集
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## Training Procedure
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使用多阶段训练流程:
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1. 预训练各个子模型
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2. 联合训练优化
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3. 端到端微调
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## Evaluation Results
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- 文本识别准确率:95%
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- 公式识别准确率:90%
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- 表格重建准确率:85%
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## Environmental Impact
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- 硬件要求:GPU with 8GB+ VRAM
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- 推理时间:~2s/页
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## Technical Specifications
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**Model Architecture**
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- Layout: Detectron2 (FasterRCNN)
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- MFD: Custom CNN
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- MFR: BERT-based
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- TabRec: T5-based
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**Hardware Requirements**
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- RAM: 16GB+
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- GPU: 8GB+ VRAM
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- Storage: 5GB
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**Software Requirements**
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- Python >= 3.7
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- PyTorch >= 1.9.0
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- transformers >= 4.28.0
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- detectron2
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