最新的OpenCV2.0图像视觉库。由于不能被VS直接调用，所以先使用CMake导出VC++项目文件，再用VS2008编译 OpenCV Debug和Release版本库，生成可以被VC++ 2008 Express调用的OpenCV动态库。-The latest OpenCV2.0 visual library. As the VS can not be called directly, so first use CMake to e