需要的工具:
1、安装QT SDK环境
2、安装CMake for Windows
3、OpenCV最新Windows源码
步骤:
1、将QT SDK安装目录下的{QtSDK}\mingw\bin添加到系统环境变量PATH中
2、打开CMake,设置源码位置和源码构造位置
![](data:image/png;base64,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)
3、点击configure,选择如下
![](data:image/png;base64,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)
4、选择c和c++编译器,就是QT SDK下mingw/bin下mingw32-gcc和mingw32-g++
![](data:image/png;base64,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)
5、configuer后generate
6、通过cmd进入到D:/OpenCV执行mingw32-make.exe编译开,稍等即可
7、完毕后D:/OpenCV下lib、bin目录会生成库文件,此时我们可以将lib、bin目录,加源码中include目录拷贝到单独目录,这些构成了OpenCV的SDK
8、打开QT Creater创建一个QT的空项目,修改pro文件添加OpenCV的include和lib
- INCLUDEPATH += D:\OpenCV\include
-
LIBS += D:\OpenCV\lib\*.a
9、创建c++源文件,添加如下代码
- #include <highgui.h>//包含opencv库头文件
-
#include <cv.h>
-
int main( int argc, char** argv ) {//主函数
-
cvNamedWindow( "Example2", CV_WINDOW_AUTOSIZE );//创建窗口,(名字,默认大小)
-
CvCapture *capture = NULL;// 视频获取结构, 用来作为视频获取函数的一个参数
-
capture = cvCreateCameraCapture(0);//打开摄像头,从摄像头中获取视频
-
IplImage* frame;//申请IplImage类型指针,就是申请内存空间来存放每一帧图像
-
while(1) {
-
frame = cvQueryFrame( capture );// 从摄像头中抓取并返回每一帧
-
if( !frame )
- break;
-
cvShowImage( "Example2", frame );//在窗口上显示每一帧
-
char c = cvWaitKey(33);//延时,每秒钟约33帧;符合人眼观看速度;
-
if( c == 27 )
- break;//由于是死循环,而且没有控制台,当按下键盘exc键,退出循环;
- }
-
cvReleaseCapture( &capture );//释放内存;
-
cvDestroyWindow( "Example2" );//销毁窗口
-
}
10、编译通过后执行会出现错误,这是由于缺少dll,将编译OpenCV成功后的bin目录添加到系统PAHT或者拷贝到项目目录下,再次调用成功
11、不过并没有使用OpenCV的c++接口,回头补充
参考文章:
QT+OPENCV视频采集QT Creator 编译 OpenCV
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