致命错误C1083:不能打开包含文件:'opencv2/core。没有这样的文件或目录。

I keep getting this error "Fatal error C1083: Cannot open include file: 'opencv2/core.hpp': No such file or directory". I am using Visual Studio 2012 and OpenCV 3.0 and opencv2/core.hpp is in OpenCV 3 so I'm not sure what the problem is. I have set up the additional include directories in the debug property pages. Any idea what my problem is?I keep getting this error "Fatal error C1083: C