Ubuntu14.04下使用QTcreator构建OpenCV工程
2017-08-30 16:22
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1. 打开qtcreator创建一个空的QT项目
2. 在.pro文件中添加如下内容:
#头文件包含路径
INCLUDEPATH += /usr/local/include/opencv\
/usr/local/include/opencv2
#引入的lib文件路径,此处opencv版本为3.0.0
LIBS +=/usr/local/lib/libopencv_calib3d.so.3.0.0\
# /usr/local/lib/libopencv_contrib.so.3.0.0\
/usr/local/lib/libopencv_core.so.3.0.0\
/usr/local/lib/libopencv_features2d.so.3.0.0\
/usr/local/lib/libopencv_flann.so.3.0.0\
# /usr/local/lib/libopencv_gpu.so.3.0.0\
/usr/local/lib/libopencv_highgui.so.3.0.0\
/usr/local/lib/libopencv_imgproc.so.3.0.0\
/usr/local/lib/libopencv_ml.so.3.0.0\
/usr/local/lib/libopencv_objdetect.so.3.0.0\
/usr/local/lib/libopencv_photo.so.3.0.0\
/usr/local/lib/libopencv_stitching.so.3.0.0\
/usr/local/lib/libopencv_superres.so.3.0.0\
/usr/local/lib/libopencv_ts.a\
/usr/local/lib/libopencv_video.so.3.0.0\
/usr/local/lib/libopencv_videostab.so.3.0.0
LIBS += -L/usr/local/lib -lopencv_core -lopencv_imgcodecs -lopencv_highgui
注:如果不添加后面这句LIBS += -L/usr/local/lib -lopencv_core -lopencv_imgcodecs -lopencv_highgui,在使用qtcreator编译时会报错,具体原因不清楚。参考链接:http://answers.opencv.org/question/57999/qt-error-maino-undefined-reference-to-symbol-_zn2cv6string10deallocateev/
3. 在项目中添加main.cpp
#include <opencv2/opencv.hpp>
using namespace cv;
int main()
{
Mat img = imread("lena.jpg");
if (img.empty())
{
4000
fprintf(stderr, "Error: load image failed.");
return -1;
}
namedWindow("image", WINDOW_AUTOSIZE);
imshow("image", img);
waitKey();
return 0;
}
4. 将lena.jpg文件放在工程文件夹中,编译运行.
2. 在.pro文件中添加如下内容:
#头文件包含路径
INCLUDEPATH += /usr/local/include/opencv\
/usr/local/include/opencv2
#引入的lib文件路径,此处opencv版本为3.0.0
LIBS +=/usr/local/lib/libopencv_calib3d.so.3.0.0\
# /usr/local/lib/libopencv_contrib.so.3.0.0\
/usr/local/lib/libopencv_core.so.3.0.0\
/usr/local/lib/libopencv_features2d.so.3.0.0\
/usr/local/lib/libopencv_flann.so.3.0.0\
# /usr/local/lib/libopencv_gpu.so.3.0.0\
/usr/local/lib/libopencv_highgui.so.3.0.0\
/usr/local/lib/libopencv_imgproc.so.3.0.0\
/usr/local/lib/libopencv_ml.so.3.0.0\
/usr/local/lib/libopencv_objdetect.so.3.0.0\
/usr/local/lib/libopencv_photo.so.3.0.0\
/usr/local/lib/libopencv_stitching.so.3.0.0\
/usr/local/lib/libopencv_superres.so.3.0.0\
/usr/local/lib/libopencv_ts.a\
/usr/local/lib/libopencv_video.so.3.0.0\
/usr/local/lib/libopencv_videostab.so.3.0.0
LIBS += -L/usr/local/lib -lopencv_core -lopencv_imgcodecs -lopencv_highgui
注:如果不添加后面这句LIBS += -L/usr/local/lib -lopencv_core -lopencv_imgcodecs -lopencv_highgui,在使用qtcreator编译时会报错,具体原因不清楚。参考链接:http://answers.opencv.org/question/57999/qt-error-maino-undefined-reference-to-symbol-_zn2cv6string10deallocateev/
3. 在项目中添加main.cpp
#include <opencv2/opencv.hpp>
using namespace cv;
int main()
{
Mat img = imread("lena.jpg");
if (img.empty())
{
4000
fprintf(stderr, "Error: load image failed.");
return -1;
}
namedWindow("image", WINDOW_AUTOSIZE);
imshow("image", img);
waitKey();
return 0;
}
4. 将lena.jpg文件放在工程文件夹中,编译运行.
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