ubuntu下基于c++的opencv学习

TARGET&＃61;./demo #目标文件
SRCS:&＃61;$(wildcard ./src/*.cpp ./*.cpp)
OBJS:&＃61;$(patsubst %cpp,%o,$(SRCS))
CFLG &＃61; -g -Wall -I/usr/local/include -Iinc -I./ -std&＃61;c&＃43;&＃43;11
LDFG &＃61; -Wl,-rpath,/usr/local/lib -L./ -L/usr/local/lib -L./inc -lrt -lpthread -lopencv_core -lopencv_highgui -lopencv_imgproc -lopencv_videoio &＃96;pkg-config opencv --cflags --libs &＃96;
CXX &＃61; g&＃43;&＃43;
$(TARGET) : $(OBJS) $(CXX) -o $(TARGET) $(OBJS) $(LDFG)
%.o:%.cpp $(CXX) $(CFLG) -c $<-o $&＃64;
.PHONY :
clean clean: -rm ./*.o -rm ./src/*.o -rm ./bin/*

//对图像bee,jpg腐蚀
1 #include
2 using namespace cv;
3 int main(int argc,char **argv)
4 {
5 Mat srcImg&＃61;imread("bee.jpg");
6 imshow("begin",srcImg);
7 Mat element &＃61;getStructuringElement(MORPH_RECT,Size(5,5));
8 Mat dstImg;
9 erode(srcImg,dstImg,element);//srcImg为原图 dstImg为腐蚀后的图 element为上面getStructuringElement(MORPH_RECT,Size(5,5)返回的值&＃xff08;内核矩阵&＃xff09;
10 imshow("after",dstImg);
11 waitKey(0);
12 return 0;
13 }

1 #include
2 using namespace cv;
3 int main(int argc,char **argv)
4 {
5 Mat srcImg&＃61;imread("social.jpg");
6 imshow("begin",srcImg);
7 Mat dstImg;
8 blur(srcImg,dstImg,Size(8,8));
9 imshow("after",dstImg);
10 waitKey(0);
11 return 0;
12 }

#include
using namespace cv;
int main(int argc,char** argv)
{
Mat srcImg&＃61;imread("ox.jpg");
imshow("begin",srcImg);
Mat grayImg,dstImg;
cvtColor(srcImg,grayImg,CV_BGR2GRAY);//图像变为灰度图像
blur(grayImg,dstImg,Size(4,4));//图像模糊
Canny(dstImg,dstImg,3,3,3);
imshow("after",dstImg);
waitKey(0);
return 0;
}

#include
using namespace cv;
int main()
{Mat edges;VideoCapture capture(0);//从摄像头写入视频capture.open(0);while(1){Mat frame;capture>>frame;//读取当前帧imshow("orginal",frame);cvtColor(frame,edges,COLOR_BGR2GRAY);blur(edges,edges,Size(6,6));Canny(edges,edges,0,22,3);imshow("change",edges);waitKey(10);}return 0;
}