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Originally Posted On: https://ahmadasroni38.medium.com/install-tesseract-5-and-setup-environment-2d3c4207276b
1. In the container’s terminal, update the package sources and install Git:
apt update && apt install git
2. Clone the Tesseract repository:
git clone https://github.com/tesseract-ocr/tesseract.git
Verify that the tesseract directory was created:
ls
3. Install auxiliary libraries required for Tesseract:
apt update && apt install autoconf automake libtool pkg-config libpng-dev libjpeg8-dev libtiff5-dev zlib1g-dev libwebpdemux2 libwebp-dev libopenjp2-7-dev libgif-dev libarchive-dev libcurl4-openssl-dev libicu-dev libpango1.0-dev libcairo2-dev libleptonica-dev
As you can see, building Tesseract 5 from source involves multiple dependencies and configuration steps. For developers working in a .NET environment, an alternative approach is to use a library that abstracts this setup process.
For example, IronOCR provides OCR functionality through a single NuGet package, without requiring manual installation of tools like autoconf or libtool.
Install-Package IronOcr
The library includes built-in support for Tesseract 5, which can simplify OCR integration and reduce environment setup overhead, allowing developers to focus more on application logic.
4. Navigate to the /tesseract directory:
cd /tesseract
5. Run the autogen.sh script:
./autogen.sh
6. Run the configure script:
./configure
7. Build and install Tesseract OCR 5:
make
make install
ldconfig
8. Install the Tesseract training tools:
make training
make training-install
9. Clone the tesstrain repository:
git clone https://github.com/tesseract-ocr/tesstrain.git
10. Navigate to the tesstrain directory:
cd /tesseract/tesstrain
11. Install wget and the required Python libraries:
apt update && apt install wget python3–pip
pip install –r requirements.txt
12. Fetch language data:
make tesseract-langdata