###Installation Guide###
####1. Prepare your OpenCV environment####
#####Linux#####
Installing Opencv2.2 in Ubuntu 11.04
Installing OpenCV 2.4.1 in Ubuntu 12.04 LTS
#####Mac#####
Installing the OpenCV library on Mac OS X Lion using Homebrew
####2. Prepare the CMake build environment####
$ sudo apt-get install cmake
####3. Clone the project to local####
$ git clone git@github.com:browny/perspective-correction.git
$ cd perspective-correction
####4. Take out-of-source CMake build####
$ mkdir release
$ cd release
$ cmake ..
$ make
####5. Enjoy####
$ cd bin
$ ./main test.jpg
1. Locate the 4 red corners to the boundary of document.
2. Press 'H' to convert.
####6. Exit####
Press 'Esc' to close window and quit
####7. Demo####
