最近opencv库更新到了2.4.9，作为小码农的我紧跟时代的步伐，装了2.4.9这个库。以下是我的配置步骤：
1、从http://opencv.org/上下载opencv2.4.9文件，由于我用的是windows,直接下载那个exe文件；
2、双击已下载的exe文件，将之解压到你的安装目录，我的是：D:\Program Files\opencv，你可以根据自己喜好解压到你指定的目录；
3、增加环境变量，系统属性->环境变量->编辑path，加上D:\Program
Files\opencv\opencv\build\x86\vc10\bin，并用“；”号和前面的环境变量相隔开；
4、用VS2010新建一个控制台程序，右击解决方案的工程名，打开属性框；
4.1 配置属性->VC++目录
包含文件添加：D:\Program Files\opencv\opencv\build\include\opencv2
D:\Program Files\opencv\opencv\build\include\opencv
D:\Program Files\opencv\opencv\build\include
库目录添加：D:\Program Files\opencv\opencv\build\x86\vc10\lib
以上操作release和debug一样。
4.2 链接器->输入->附加依赖项
release：
opencv_calib3d249.lib
opencv_contrib249.lib
opencv_core249.lib
opencv_features2d249.lib
opencv_flann249.lib
opencv_gpu249.lib
opencv_highgui249.lib
opencv_imgproc249.lib
opencv_legacy249.lib
opencv_ml249.lib
opencv_objdetect249.lib
opencv_ts249.lib
opencv_video249.lib
debug:
opencv_calib3d249d.lib
opencv_contrib249d.lib
opencv_core249d.lib
opencv_features2d249d.lib
opencv_flann249d.lib
opencv_gpu249d.lib
opencv_highgui249d.lib
opencv_imgproc249d.lib
opencv_legacy249d.lib
opencv_ml249d.lib
opencv_objdetect249d.lib
opencv_ts249d.lib
opencv_video249d.lib
5、测试一下
OK，表明配置成功了！