qwebcam is a software to display a webcam image in a Qt application.

1) Install Open Computer Vision Library

apt-get install libcv-dev libcv0.9.7-0 libcvaux-dev libcvaux0.9.7-0 libhighgui-dev libhighgui0.9.7-0 opencv-doc

2) Install QT dev tools

apt-get install libqt4-gui libqt4-dev

tar zxvf qwebcam-0.0.1.tar.gz
cd qwebcam-0.0.1
qmake
make
./qwebcam