How To Install libopencv3.2-jni on Ubuntu 18.04

In this tutorial we learn how to install libopencv3.2-jni on Ubuntu 18.04. libopencv3.2-jni is Java jni library for the computer vision library

Introduction

In this tutorial we learn how to install libopencv3.2-jni on Ubuntu 18.04.

What is libopencv3.2-jni

libopencv3.2-jni is:

This package contains Java jni library 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 libopencv3.2-jni on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libopencv3.2-jni Using apt-get

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

sudo apt-get update

After updating apt database, We can install libopencv3.2-jni using apt-get by running the following command:

sudo apt-get -y install libopencv3.2-jni

Install libopencv3.2-jni Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libopencv3.2-jni using apt by running the following command:

sudo apt -y install libopencv3.2-jni

Install libopencv3.2-jni 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 Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libopencv3.2-jni using aptitude by running the following command:

sudo aptitude -y install libopencv3.2-jni

How To Uninstall libopencv3.2-jni on Ubuntu 18.04

To uninstall only the libopencv3.2-jni package we can use the following command:

sudo apt-get remove libopencv3.2-jni

Uninstall libopencv3.2-jni And Its Dependencies

To uninstall libopencv3.2-jni and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libopencv3.2-jni

Remove libopencv3.2-jni Configurations and Data

To remove libopencv3.2-jni configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libopencv3.2-jni

Remove libopencv3.2-jni configuration, data, and all of its dependencies

We can use the following command to remove libopencv3.2-jni configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libopencv3.2-jni

References

Summary

In this tutorial we learn how to install libopencv3.2-jni package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.