Realsense-Test/OpenCV_3.4_Installation.txt at master · pkr97/Realsense-Test · GitHub

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# Update and Upgrade
sudo apt-get update
sudo apt-get upgrade

# Install Dependencies
sudo apt-get install build-essential
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev

#to process images:
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev

#to process videos:
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get install libxvidcore-dev libx264-dev

#For GUI:
sudo apt-get install libgtk-3-dev

#For optimization:
sudo apt-get install libatlas-base-dev gfortran pylint

#To build OpenCV binding for both python 2 and 3.
sudo apt-get install python2.7-dev python3.5-dev

# To Download OpenCV 3.4.0, go to terminal and type:
wget https://github.com/opencv/opencv/archive/3.4.0.zip -O opencv-3.4.0.zip

# To Download OpenCV Contrib 3.4.0 (Contrib has very useful algorithms which is a must for anyone working on Computer Vision), go to terminal and type:
wget https://github.com/opencv/opencv_contrib/archive/3.4.0.zip -O opencv_contrib-3.4.0.zip

# We need to unzip to extract the zip files. Install unzip if not installed using the command:
sudo apt-get install unzip

# Now extract OpenCV and OpenCV Contrib:
unzip opencv-3.4.0.zip
unzip opencv_contrib-3.4.0.zip

# Make a directory named build inside OpenCV-3.4.0:
cd  opencv-3.4.0
mkdir build
cd build

# Now we are going to configure cmake:
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.0/modules -DOPENCV_ENABLE_NONFREE=True ..

# The command will take some time to execute. Wait for few seconds.

# If the configuration is done without error, we will use make command to build.

make -j4 (where 4 is number of cores)

# Install in the location /usr/local using command
sudo make install

# Reinitialize static libs using the following command
sudo ldconfig

# reboot
reboot

# check opencv Version
pkg-config --modversion opencv