use tot label face landmark
sudo apt-get install libxext6 libxext-dev libqt4-dev libqt4-gui libqt4-sql sudo apt-get install qt4-dev-tools qt4-doc qt4-qtconfig qt4-demos qt4-designer sudo apt-get install python-qt4 sudo apt-get install python-qt4-* sudo apt-get install python-qscintilla2
3q