doc_mineru (#5662)
* doc_mineru * Delete bun.lock --------- Co-authored-by: xxYyh <xxyyh@xxYyhdeMacBook-Pro.local> Co-authored-by: Archer <545436317@qq.com>
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{
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"title": "本地模型使用",
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"pages": ["marker","xinference","bge-rerank","chatglm2","m3e","chatglm2-m3e","ollama"]
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"pages": ["marker","mineru","xinference","bge-rerank","chatglm2","m3e","chatglm2-m3e","ollama"]
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}
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---
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title: 接入 MinerU PDF 文档解析
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description: 使用 MinerU 解析 PDF 文档,可实现图片提取、布局识别、表格识别和公式识别
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---
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## 背景
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PDF 是一个相对复杂的文件格式,在 FastGPT 内置的 pdf 解析器中,依赖的是 pdfjs 库解析,该库基于逻辑解析,无法有效的理解复杂的 pdf 文件。所以我们在解析 pdf 时候,如果遇到图片、表格、公式等非简单文本内容,会发现解析效果不佳。
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市面上目前有多种解析 PDF 的方法,比如使用 [MinerU](https://github.com/opendatalab/MinerU),该项目使用了 YOLO、PaddleOCR以及表格识别等模型,基于视觉解析,可以有效提取图片、表格、公式等复杂内容。
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社区版用户可以在`config.json`文件中添加`systemEnv.customPdfParse`配置,来使用 MinerU 解析 PDF 文件。商业版用户直接在 Admin 后台根据表单指引填写即可,使用教程中会详细解释。
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## 使用教程
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硬件需求:16g+ 的gpu显存推理卡,最小 16GB+, 推荐 32GB+的内存,其他要求查看[官网](https://github.com/opendatalab/MinerU)
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### 1. 安装 MinerU
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这里介绍快速 Docker 安装的方法:
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拉取fastgpt-mineru镜像 ---> 创建容器启动解析服务 ---> 把部署好的url地址接入到fastgpt配置文件中
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```dockerfile
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docker pull crpi-h3snc261q1dosroc.cn-hangzhou.personal.cr.aliyuncs.com/fastgpt_ck/mineru:v1
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docker run --gpus all -itd -p 7231:8001 --name mode_pdf_minerU crpi-h3snc261q1dosroc.cn-hangzhou.personal.cr.aliyuncs.com/fastgpt_ck/mineru:v1
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```
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这里的mineru接入的是pipeline模式,并且在docker内部进行了并行化,会根据gpu数量创建多个进程来同时处理上传的pdf数据
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### 2. 添加 FastGPT 文件配置
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```json
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{
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xxx
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"systemEnv": {
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xxx
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"customPdfParse": {
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"url": "http://xxxx.com/v2/parse/file", // 自定义 PDF 解析服务地址 MinerU
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"key": "", // 自定义 PDF 解析服务密钥
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"doc2xKey": "", // doc2x 服务密钥
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"price": 0 // PDF 解析服务价格
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}
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}
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}
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```
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商业版请按下图配置
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**注意:** 通过配置文件添加的服务需要重启服务。
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### 3. 测试效果
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通过知识库上传一个 pdf 文件,并勾选上 `PDF 增强解析`。
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确认上传后,可以在日志中看到 LOG (LOG_LEVEL需要设置 info 或者 debug):
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```
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[Info] 2024-12-05 15:04:42 Parsing files from an external service
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[Info] 2024-12-05 15:07:08 Custom file parsing is complete, time: 1316ms
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```
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同样的,在应用中,你可以在文件上传配置里,勾选上 `PDF 增强解析`。
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## 效果展示
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以清华的 [ChatDev Communicative Agents for Software Develop.pdf](https://arxiv.org/abs/2307.07924) 为例,展示 MinerU 解析的效果:
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| ------------------------------- | ------------------------------- | ------------------------------- |
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|  |  |  |
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|  |  |  |
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上图是分块后的结果,下图是 pdf 原文。整体图片、公式、ocr手写体都可以提取出来,效果还是可以的。
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不过要注意的是,[MinerU](https://github.com/opendatalab/MinerU) 的协议是`GPL-3.0 license`,请在遵守协议的前提下使用。
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@@ -19,6 +19,7 @@ description: FastGPT 文档目录
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- [/docs/introduction/development/custom-models/chatglm2-m3e](/docs/introduction/development/custom-models/chatglm2-m3e)
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- [/docs/introduction/development/custom-models/m3e](/docs/introduction/development/custom-models/m3e)
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- [/docs/introduction/development/custom-models/marker](/docs/introduction/development/custom-models/marker)
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- [/docs/introduction/development/custom-models/mineru](/docs/introduction/development/custom-models/mineru)
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- [/docs/introduction/development/custom-models/ollama](/docs/introduction/development/custom-models/ollama)
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- [/docs/introduction/development/custom-models/xinference](/docs/introduction/development/custom-models/xinference)
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- [/docs/introduction/development/design/dataset](/docs/introduction/development/design/dataset)
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