依赖

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

github: https://github.com/danbloomberg/leptonica

• git clone https://github.com/danbloomberg/leptonica
• cd leptonica
• ./autogen.sh
• ./configure
• make
• make install

安装tesseract-ocr

github: https://github.com/tesseract-ocr/tesseract

• git clone https://github.com/tesseract-ocr/tesseract
• cd tesseract
• ./autogen.sh
• ./configure
• make
• make install
• ldconfig

下载训练库

https://github.com/jiangxd0716/tessdata

放入 /usr/local/share/tessdata

检查

[root@booking conf.d]# tesseract --version
tesseract 5.0.0
 leptonica-1.82.0
  libjpeg 6b (libjpeg-turbo 1.5.3) : libpng 1.6.34 : libtiff 4.0.9 : zlib 1.2.11
 Found AVX2
 Found AVX
 Found FMA
 Found SSE4.1
 Found OpenMP 201511

代码部署

添加依赖包，可在 http://tess4j.sourceforge.net/ 下载。

github代码：https://github.com/jiangxd0716/ocr