Retargeting Image
Input = An image file Output = An image file that is now retargeted
** must have opencv installed in the computer Opencv can be installed in linux by following instructions from this website: http://www.codebind.com/cpp-tutorial/install-opencv-ubuntu-cpp/
compile the code by: g++ main.cpp -o output pkg-config --cflags --libs opencv
run the code by the following command:
./output image new_width new_height output