ubuntu系统下运行QT程序,调用opencv

参照网址:https://blog.csdn.net/wanzhen4330/article/details/82622664
下载QT如果很慢:

下载qt:官网很慢,去一些快的源下载;
https://mirrors.tuna.tsinghua.edu.cn/qt/archive/qt/5.9/5.9.0/
下载qt-opensource-linux-x64-5.9.0.run

下载opencv:
https://github.com/opencv/opencv
进入github之后,如图复制链接地址,去别的地方下载。
ubuntu系统下运行QT程序,调用opencv_第1张图片这里下载更快:
https://shrill-pond-3e81.hunsh.workers.dev/
ubuntu系统下运行QT程序,调用opencv_第2张图片最后打开Qt Creat:
新建:
ubuntu系统下运行QT程序,调用opencv_第3张图片新建Qt Console Application:
ubuntu系统下运行QT程序,调用opencv_第4张图片然后基本就是下一步:
ubuntu系统下运行QT程序,调用opencv_第5张图片ubuntu系统下运行QT程序,调用opencv_第6张图片
ubuntu系统下运行QT程序,调用opencv_第7张图片完成之后,先更改pro文件:
ubuntu系统下运行QT程序,调用opencv_第8张图片在后面添加代码:

INCLUDEPATH += /usr/local/include \
               /usr/local/include/opencv \
               /usr/local/include/opencv4

LIBS += /usr/local/lib/libopencv_highgui.so \
        /usr/local/lib/libopencv_core.so    \
        /usr/local/lib/libopencv_imgproc.so \
        /usr/local/lib/libopencv_imgcodecs.so
LIBS += -L/usr/local/lib -lopencv_core -lopencv_imgcodecs -lopencv_highgui

ubuntu系统下运行QT程序,调用opencv_第9张图片main的地方添加代码:

#include 
#include 
#include 
using namespace cv;
 
int main()
{
    Mat img = imread("/home/percipio/Pictures/123.png");
    imshow("123", img);
    waitKey(0);
    return 0;
}

运行即可

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