在 Ubuntu下安装 labelImg (标数据用)

https://www.cnblogs.com/new-age/p/7071289.html

https://blog.csdn.net/u011574296/article/details/78953681

https://www.ubuntuupdates.org/package/core/trusty/universe/updates/libqt4-gui

pyrcc4 -o resources.py resources.qrc
pyrcc5 -o resources.py resources.qrc