install-opencv2.ipynb

!apt-get -qq install -y libsm6 libxext6 && pip install -q -U opencv-python tensorflow==1.4 matplotlib==2.1.0 imutils==0.4.3 numpy==1.13.3 pandas==0.20.3

!apt-get install build-essential cmake libgtk-3-dev libboost-all-dev

!pip install virtualenvwrapper virtualenv
!virtualenv dish
!. dish/bin/activate
!pip install numpy scipy scikit-image
!pip install dlib==19.8.0

import dlib # test for dlib

!apt-get update && apt-get upgrade
!apt-get remove x264 libx264-dev
!apt-get install build-essential checkinstall cmake pkg-config yasm git gfortran ibjpeg8-dev libjasper-dev libpng12-dev
!apt-get install libtiff5-dev
!apt-get install libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev
!apt-get install libxine2-dev libv4l-dev
!apt-get install libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev
!apt-get install qt5-default libgtk2.0-dev libtbb-dev
!apt-get install libatlas-base-dev
!apt-get install libfaac-dev libmp3lame-dev libtheora-dev
!apt-get install libvorbis-dev libxvidcore-dev
!apt-get install libopencore-amrnb-dev libopencore-amrwb-dev
!apt-get install x264 v4l-utils
!apt-get install python-dev python-pip python3-dev python3-pip
!pip2 install -U pip numpy
!pip3 install -U pip numpy

!pip install numpy scipy matplotlib scikit-image scikit-learn ipython

import os
!git clone https://github.com/opencv/opencv.git && os.chdir('opencv') && git checkout 3.3.1 && cd ..
!git clone https://github.com/opencv/opencv_contrib.git && os.chdir('opencv_contrib') && git checkout 3.3.1 && cd ..

!cmake -D CMAKE_BUILD_TYPE=RELEASE \
      -D CMAKE_INSTALL_PREFIX=/usr/local \
      -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 ..

!nproc

!make -j2 # where 2 is the ouput from last command

!make install

!sh -c 'echo "/usr/local/lib" >> /etc/ld.so.conf.d/opencv.conf' && ldconfig

# test for opencv
import cv2
cv2.__version__