Following are the commands used in Chapter 6, Detecting Edges and Contours in Images:

sudo apt-get install geany
sudo apt-get -y install python-pip 
sudo apt-get -y install python-opencv
sudo apt-get -y install python-numpy 
sudo apt-get -y install python-scipy 
sudo pip install --upgrade cython 
sudo pip install -U scikit-learn 
sudo pip install imutils 
sudo apt-get -y install python-sklearn
sudo apt-get -y install python-skimage