Instalar OpenCV 3 en Ubuntu

instalar_opencv.sh

# Basado en http://milq.github.io/install-opencv-ubuntu-debian/
# y https://www.learnopencv.com/install-opencv3-on-ubuntu/
# OPENCV 3.3.1
# Ejecutar con sudo

######################################
# INSTALL OPENCV ON UBUNTU OR DEBIAN #
######################################

# |         THIS SCRIPT IS TESTED CORRECTLY ON         |
# |----------------------------------------------------|
# | OS             | OpenCV       | Test | Last test   |
# |----------------|--------------|------|-------------|
# | Ubuntu 16.04.2 | OpenCV 3.2.0 | OK   | 20 May 2017 |
# | Debian 8.8     | OpenCV 3.2.0 | OK   | 20 May 2017 |
# | Debian 9.0     | OpenCV 3.2.0 | OK   | 25 Jun 2017 |

# 1. KEEP UBUNTU OR DEBIAN UP TO DATE

sudo apt-get -y update
sudo apt-get -y upgrade
sudo apt-get -y dist-upgrade
sudo apt-get -y autoremove


# 2. INSTALL THE DEPENDENCIES

# Build tools:
sudo apt-get install -y build-essential cmake

# GUI (if you want to use GTK instead of Qt, replace 'qt5-default' with 'libgtkglext1-dev' and remove '-DWITH_QT=ON' option in CMake):
sudo apt-get install -y qt5-default libvtk6-dev

# Media I/O:
sudo apt-get install -y zlib1g-dev libjpeg-dev libwebp-dev libpng-dev libtiff5-dev libjasper-dev libopenexr-dev libgdal-dev

# Video I/O:
sudo apt-get install -y libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev libtheora-dev libvorbis-dev libxvidcore-dev libx264-dev yasm libopencore-amrnb-dev libopencore-amrwb-dev libv4l-dev libxine2-dev

# Parallelism and linear algebra libraries:
sudo apt-get install -y libtbb-dev libeigen3-dev

# Python:
sudo apt-get install -y python-dev python-tk python-numpy python3-dev python3-tk python3-numpy

# Java:
sudo apt-get install -y ant default-jdk

# Documentation:
sudo apt-get install -y doxygen


# 3. INSTALL THE LIBRARY (YOU CAN CHANGE '3.2.0' FOR THE LAST STABLE VERSION)
# PABLO: Elijo 3.3.1
# PABLO: Añado contrib

sudo apt-get install -y unzip wget
wget -no-clobber -O opencv_contrib_3.3.1.zip https://github.com/opencv/opencv_contrib/archive/3.3.1.zip
wget -no-clobber -O opencv_3.3.1.zip https://github.com/opencv/opencv/archive/3.3.1.zip
unzip -o opencv_3.3.1.zip
unzip -o opencv_contrib_3.3.1.zip
#rm opencv_contrib.3.3.1.zip
#rm opencv_3.3.1.zip
#mv opencv-3.3.1 OpenCV
cd opencv-3.3.1
mkdir build
cd build
# PABLO: Añado flags. Acá hay descripción: https://github.com/opencv/opencv/blob/master/CMakeLists.txt
#    ENABLE_CXX11 por https://opencv.org/opencv-3-3.html
#    BUILD_DOCS para documentacion
#    OPENCV_EXTRA_MODULES_PATH para incluir contrib
#    CMAKE_INSTALL_PREFIX=/usr/local \ para instalar en usr/local
cmake -D ENABLE_CXX11=ON \
      -D BUILD_DOCS=ON \
      -D CMAKE_INSTALL_PREFIX=/usr/local \
      -D WITH_QT=ON \
      -D WITH_OPENGL=ON \
      -D FORCE_VTK=ON \
      -D WITH_TBB=ON \
      -D WITH_GDAL=ON \
      -D WITH_XINE=ON \
      -D BUILD_EXAMPLES=ON \
      -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.3.1/modules \
      -D ENABLE_PRECOMPILED_HEADERS=OFF ..
make -j4
sudo make install
sudo ldconfig


# 4. EXECUTE SOME OPENCV EXAMPLES AND COMPILE A DEMONSTRATION

# To complete this step, please visit 'http://milq.github.io/install-opencv-ubuntu-debian'.

# PABLO: Compilar documentación (Doxygen)
cd doc
make doxygen