How To Install libopencv2.4-java on Debian 9

Introduction

In this tutorial we learn how to install libopencv2.4-java on Debian 9.

What is libopencv2.4-java

libopencv2.4-java is:

This package contains Java bindings for the OpenCV (Open Computer Vision) library.

The Open Computer Vision Library is a collection of algorithms and sample code for various computer vision problems. The library is compatible with IPL (Intel’s Image Processing Library) and, if available, can use IPP (Intel’s Integrated Performance Primitives) for better performance.

OpenCV provides low level portable data types and operators, and a set of high level functionalities for video acquisition, image processing and analysis, structural analysis, motion analysis and object tracking, object recognition, camera calibration and 3D reconstruction.

There are three methods to install libopencv2.4-java on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libopencv2.4-java Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libopencv2.4-java using apt-get by running the following command:

sudo apt-get -y install libopencv2.4-java

Install libopencv2.4-java Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libopencv2.4-java using apt by running the following command:

sudo apt -y install libopencv2.4-java

Install libopencv2.4-java Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libopencv2.4-java using aptitude by running the following command:

sudo aptitude -y install libopencv2.4-java

How To Uninstall libopencv2.4-java on Debian 9

To uninstall only the libopencv2.4-java package we can use the following command:

sudo apt-get remove libopencv2.4-java

Uninstall libopencv2.4-java And Its Dependencies

To uninstall libopencv2.4-java and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libopencv2.4-java

Remove libopencv2.4-java Configurations and Data

To remove libopencv2.4-java configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libopencv2.4-java

Remove libopencv2.4-java configuration, data, and all of its dependencies

We can use the following command to remove libopencv2.4-java configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libopencv2.4-java

Dependencies

libopencv2.4-java have the following dependencies:

• libopencv2.4-jni

References

• libopencv2.4-java website

Summary

In this tutorial we learn how to install libopencv2.4-java package on Debian 9 using different package management tools: apt, apt-get and aptitude.