tesseract-ocr 依赖 leptonica, 而安装leptonica前需要先安装常用图片库。
1、安装依赖
1.1 安装g++
yum install gcc gcc-c++ make
1.2 安装autoconf automake libtool libjpeg-devellibpng-devel libtiff-devel zlib-devel
yum install autoconf automake libtool
安装常用图片库
yum install libjpeg-devel libpng-devel libtiff-devel zlib-devel
2、安装leptonica
下载leptonica
wget http://www.leptonica.org/source/leptonica-1.76.0.tar.gz
解压
tar -zxvf leptonica-1.76.0.tar.gz
进入目录后依次执行:
./configure
编译源码
make
make install
编译完成后,增加如下三个变量:
vim /etc/profile
export LD_LIBRARY_PATH=$LD_LIBRARY_PAYT:/usr/local/lib
export LIBLEPT_HEADERSDIR=/usr/local/include
export PKG_CONFIG_PATH=/usr/l