Screenshot

Install

Ubuntu(14.04, 14.10):

    sudo apt-add-repository -y ppa:xiangxw5689/saliency-marker
    sudo apt-get update
    sudo apt-get -y install saliency-marker

Compile

Install CMake and Qt5, then:

    mkdir build
    cd build
    cmake ..
    make

Sould work on Windows, Mac and other Linux distributions.