tesseract 环境 linux

Posted 2021-01-17 maoxianfei

python 环境

 wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh

chmod o+x Miniconda3-latest-Linux-x86_64.sh

pip install Pillow
pip install pytesseract
pip install xlwt
pip install requests

 

centos7安装依赖库

• 安装centos系统依赖

  yum install -y automake autoconf libtool gcc gcc-c++ 
  yum install -y libpng-devel libjpeg-devel libtiff-devel

• 安装leptonica

  wget http://www.leptonica.org/source/leptonica-1.72.tar.gz
  tar xvzf leptonica-1.72.tar.gz
  cd leptonica-1.72/ 
  ./configure 
  make && make install

• 安装tesseract-ocr

  wget https://github.com/tesseract-ocr/tesseract/archive/3.04.zip
  unzip 3.04.zip
  cd tesseract-3.04/ 
  ./configure
  make && make install 
  ldconfig  报错：error while loading shared libraries: libtesseract.so.3

• 部署模型

  • 在https://github.com/tesseract-ocr/tessdata 下载对应语言的模型文件
  • 将模型文件移动到/usr/local/share/tessdata

• 安装requirements.txt中的python依赖库

  pip install -r requirements.txt

tesseract配置

• 在/usr/local/share/tessdata创建eng.user-patterns写入

  表示识别6位字符（或数字）

• 在/usr/local/share/tessdata/configs创建myconfig写入

  #识别白名单
  tessedit_char_whitelist abcdefghijklmnopqrstuvwxyz0123546789
  #用户正则模式匹配
  user_patterns_suffix user-patterns