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installOpenCV.sh
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installOpenCV.sh
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#!/bin/bash
############## WELCOME #############
# Step 0: Take inputs
# Clean build directories
rm -rf opencv/build
rm -rf opencv_contrib/build
rm -rf installation
echo "OpenCV installation by learnOpenCV.com"
echo "Select OpenCV version to install (1 or 2)"
echo "1. OpenCV 3.4.1 (default)"
echo "2. Master"
read cvVersionChoice
if [ "$cvVersionChoice" -eq 2 ]; then
cvVersion="master"
else
cvVersion="3.4.1"
fi
# Create directory for installation
mkdir installation
mkdir installation/OpenCV-"$cvVersion"
# Save current working directory
cwd=$(pwd)
# Step 1: Update packages
echo "Updating packages"
sudo apt-get -y update
sudo apt-get -y upgrade
echo "================================"
echo "Complete"
# Step 2: Install OS libraries
echo "Installing OS libraries"
sudo apt-get -y remove x264 libx264-dev
## Install dependencies
sudo apt-get -y install build-essential checkinstall cmake pkg-config yasm
sudo apt-get -y install git gfortran
sudo apt-get -y install libjpeg8-dev libjasper-dev libpng12-dev
sudo apt-get -y install libtiff5-dev
sudo apt-get -y install libtiff-dev
sudo apt-get -y install libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev
sudo apt-get -y install libxine2-dev libv4l-dev
cd /usr/include/linux
sudo ln -s -f ../libv4l1-videodev.h videodev.h
cd $cwd
sudo apt-get -y install libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev
sudo apt-get -y install libgtk2.0-dev libtbb-dev qt5-default
sudo apt-get -y install libatlas-base-dev
sudo apt-get -y install libfaac-dev libmp3lame-dev libtheora-dev
sudo apt-get -y install libvorbis-dev libxvidcore-dev
sudo apt-get -y install libopencore-amrnb-dev libopencore-amrwb-dev
sudo apt-get -y install libavresample-dev
sudo apt-get -y install x264 v4l-utils
# Optional dependencies
sudo apt-get -y install libprotobuf-dev protobuf-compiler
sudo apt-get -y install libgoogle-glog-dev libgflags-dev
sudo apt-get -y install libgphoto2-dev libeigen3-dev libhdf5-dev doxygen
echo "================================"
echo "Complete"
# Step 3: Install Python libraries
echo "Install Python libraries"
sudo apt-get -y install python-dev python-pip python3-dev python3-pip
sudo -H pip2 install -U pip numpy
sudo -H pip3 install -U pip numpy
sudo apt-get -y install python3-testresources
# Install virtual environment
sudo -H pip2 install virtualenv virtualenvwrapper
sudo -H pip3 install virtualenv virtualenvwrapper
echo "# Virtual Environment Wrapper" >> ~/.bashrc
echo "source /usr/local/bin/virtualenvwrapper.sh" >> ~/.bashrc
#source ~/.bashrc
cd $cwd
source /usr/local/bin/virtualenvwrapper.sh
echo "================================"
echo "Complete"
echo "Creating Python environments"
############ For Python 2 ############
# create virtual environment
mkvirtualenv OpenCV-"$cvVersion"-py2 -p python2
workon OpenCV-"$cvVersion"-py2
# now install python libraries within this virtual environment
pip install numpy scipy matplotlib scikit-image scikit-learn ipython
# quit virtual environment
deactivate
######################################
############ For Python 3 ############
# create virtual environment
mkvirtualenv OpenCV-"$cvVersion"-py3 -p python3
workon OpenCV-"$cvVersion"-py3
# now install python libraries within this virtual environment
pip install numpy scipy matplotlib scikit-image scikit-learn ipython
# quit virtual environment
deactivate
######################################
echo "================================"
echo "Complete"
# Step 4: Download opencv and opencv_contrib
echo "Downloading opencv and opencv_contrib"
git clone https://github.com/opencv/opencv.git
cd opencv
git checkout $cvVersion
cd ..
git clone https://github.com/opencv/opencv_contrib.git
cd opencv_contrib
git checkout $cvVersion
cd ..
echo "================================"
echo "Complete"
# Step 5: Compile and install OpenCV with contrib modules
echo "================================"
echo "Compiling and installing OpenCV with contrib modules"
cd opencv
mkdir build
cd build
# For system wide installation:
# Change CMAKE_INSTALL_PREFIX=/usr/local \
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=$cwd/installation/OpenCV-"$cvVersion" \
-D INSTALL_C_EXAMPLES=ON \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D WITH_TBB=ON \
-D WITH_V4L=ON \
-D WITH_QT=ON \
-D WITH_OPENGL=ON \
-D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules \
-D BUILD_EXAMPLES=ON ..
make -j4
make install
# Create symlink in virtual environment
py2binPath=$(find $cwd/installation/OpenCV-$cvVersion/lib/ -type f -name "cv2.so")
py3binPath=$(find $cwd/installation/OpenCV-$cvVersion/lib/ -type f -name "cv2.cpython*.so")
# Link the binary python file
cd ~/.virtualenvs/OpenCV-$cvVersion-py2/lib/python2.7/site-packages/
ln -f -s $py2binPath cv2.so
cd ~/.virtualenvs/OpenCV-$cvVersion-py3/lib/python3.5/site-packages/
ln -f -s $py3binPath cv2.so
# Print instructions
echo "================================"
echo "Installation complete. Printing test instructions."
echo workon OpenCV-"$cvVersion"-py2
echo "ipython"
echo "import cv2"
echo "cv2.__version__"
if [ $cvVersionChoice -eq 2 ]; then
echo "The output should be 4.0.0-pre"
else
echo The output should be "$cvVersion"
fi
echo "deactivate"
echo workon OpenCV-"$cvVersion"-py3
echo "ipython"
echo "import cv2"
echo "cv2.__version__"
if [ $cvVersionChoice -eq 2 ]; then
echo "The output should be 4.0.0-pre"
else
echo The output should be "$cvVersion"
fi
echo "deactivate"
echo "Installation completed successfully"