1.ubuntu安裝QT
https://blog.csdn.net/wanzhen4330/article/details/82622664
2.交叉編譯ARM的opencv
https://blog.csdn.net/HeroGuo_JP/article/details/88412901
https://www.cnblogs.com/emouse/archive/2013/04/01/2993842.html
3.移植到ARM板
將交叉編譯的ARM-opencv安裝目錄下的文件Lib目錄下的文件拷貝到開發板/lib目錄下,必須是根目錄/lib下
4.將交叉編譯的可執行文件拷貝到板子上運行