(很详细,极力推荐)
[OpenCV] -- win7下配置OpenCV的Qt开发环境 - 代码人生 - 博客频道 - CSDN.NET http://blog.csdn.net/qiurisuixiang/article/details/8665278
Qt Creator+MinGW+OpenCV2.3.1 开发环境搭建(windows 7 系统) - Akagi201 - 博客园 http://www.cnblogs.com/Akagi201/archive/2012/03/27/2419762.html
Qt5.4.2Mingw编译配置opencv2.4.9 - bladeandmaster88的博客 - 博客频道 - CSDN.NET
http://blog.csdn.net/bladeandmaster88/article/details/51591579
win32下安装mingw32和cmake来编译opencv2.4.9 - 系统技巧 - 次元立方网 - 电脑知识与技术互动交流平台 http://www.it165.net/os/html/201501/11451.html
Qt4.8.5+QCreator2.1+opencv2.2 开发环境 win7安装配置指南 - 模式识别与计算机视觉 - 博客园 http://www.cnblogs.com/changkaizhao/articles/3269323.html
--------------------------------------------------------------------------------
Qt5.4.2Mingw编译配置opencv2.4.9 - bladeandmaster88的博客 - 博客频道 - CSDN.NET http://blog.csdn.net/bladeandmaster88/article/details/51591579
OpenCV&Qt学习之一——打开图片文件并显示 - emouse - 博客园 http://www.cnblogs.com/emouse/archive/2013/03/29/2988717.html
CMake+MinGW编译OpenCV-2.4.7 - eagelangel的专栏 - 博客频道 - CSDN.NET http://blog.csdn.net/eagelangel/article/details/17715913
--------------------------------------------------------------------------------
Qt - 郭小郭的专栏 - 博客频道 - CSDN.NET http://blog.csdn.net/guoqianqian5812/article/category/3087327