《AI实战》PaddleOCR入门 - 01_orc项目ai-CSDN博客

本文链接：https://blog.csdn.net/luojie140/article/details/114101949

博客围绕PaddleOCR展开，介绍了项目搭建步骤。包括下载项目代码、安装CPU环境（含PaddlePaddle 2.0和OCR项目环境）、下载模型文件，最后说明了单张图片预测的操作，返回项目根目录运行命令即可得到识别结果。

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0. PaddleOCR介绍

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1. 下载项目代码

git clone https://github.com/PaddlePaddle/PaddleOCR.git

2. 安装环境

由于笔者使用笔记本进行验证，这里只讲CPU环境的安装，GPU环境参考链接内容

2.1 安装PaddlePaddle 2.0

pip3 install --upgrade pip

# If you have cuda9 or cuda10 installed on your machine, please run the following command to install
python3 -m pip install paddlepaddle-gpu==2.0.0 -i https://mirror.baidu.com/pypi/simple

# If you only have cpu on your machine, please run the following command to install
python3 -m pip install paddlepaddle==2.0.0 -i https://mirror.baidu.com/pypi/simple

2.2 ORC项目环境安装

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pip install -r requirements.txt

3. 模型文件下载

下载链接

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也可以使用一下命令下载:

mkdir inference && cd inference
# Download the detection model of the ultra-lightweight Chinese OCR model and uncompress it
wget https://paddleocr.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_mobile_v2.0_det_infer.tar && tar xf ch_ppocr_mobile_v2.0_det_infer.tar
# Download the recognition model of the ultra-lightweight Chinese OCR model and uncompress it
wget https://paddleocr.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_mobile_v2.0_rec_infer.tar && tar xf ch_ppocr_mobile_v2.0_rec_infer.tar
# Download the angle classifier model of the ultra-lightweight Chinese OCR model and uncompress it
wget https://paddleocr.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_mobile_v2.0_cls_infer.tar && tar xf ch_ppocr_mobile_v2.0_cls_infer.tar
cd ..

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下载完成之后路径为:

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4. 单张图片预测

返回项目根目录，运行如下命令

python3 tools/infer/predict_system.py --image_dir="./doc/imgs/11.jpg" --det_model_dir="./inference/ch_ppocr_mobile_v2.0_det_infer/"  --rec_model_dir="./inference/ch_ppocr_mobile_v2.0_rec_infer/" --cls_model_dir="./inference/ch_ppocr_mobile_v2.0_cls_infer/" --use_angle_cls=True --use_space_char=True

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