CentOS Tesseract 설치하기

 

CentOS 7 Tesseract-OCR 5.0.0 설치

 

• 에러 발생시 ImportError: libGL.so.1 on CentOS

yum install mesa-libGL

 

 

• “make” command not found 시

yum groupinstall "Development Tools"

 

 

• tesseract configure시 에러 아래 .bashrc에 추가

vi ~/.bashrc

export PKG_CONFIG_PATH=/usr/local/leptonica-1.79.0/lib/pkgconfig

source ~/.bashrc 

 

 

• leptonica , tesseract 모두 설치 후 .bashrc에 추가

export PATH=$PATH:/usr/local/tesseract-5.0/bin

export LD_LIBRARY_PATH=/usr/local/tesseract-5.0/lib

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/leptonica-1.79.0/lib

export TESSDATA_PREFIX=/usr/local/tesseract-5.0/share/tessdata  

 

 

• tesseract pixReadMempn Error

Tesseract runtime error: Error in pixReadMemPng: function not present

yum install libjpeg*

 

 

• Tesseract 버전

https://github.com/tesseract-ocr/tesseract/archive/refs/tags/5.0.0-alpha-20201231.tar.gz

 

 

• 언어 모델 데이터

https://github.com/tesseract-ocr/tessdata/raw/4.00/eng.traineddata
https://github.com/tesseract-ocr/tessdata/raw/4.00/kor.traineddata