程序如下:
// ImageDis.cpp
#include < opencv2/opencv.hpp>
using namespace std;
using namespace cv;
int main(int argc, char* argv[])
{
const char* imagename = "kitty.jpg";
//从文件中读入图像
Mat img = imread(imagename);
//如果读入图像失败
if(img.empty())
{
fprintf(stderr, "Can not load image %s\n", imagename);
return -1;
}
//显示图像
imshow("image", img);
//此函数等待按键,按键盘任意键就返回
waitKey();
return 0;
}
编译命令如下:
g++ -g -o ImageD.exe ImageDis.cpp -I C:\MinGW\include -L C:\MinGW\lib -llibopencv_core341 -llibopencv_highgui341 -llibopencv_imgproc341 -llibopencv_imgcodecs341
运行ImageD.exe发生Appcrach。
用gdb调试:
Breakpoint 1, main (argc=1, argv=0x538890) at ImageD.cpp:13
13 Mat img = imread(imagename);
执行line 13时,发生下列错误退出。
Program received signal SIGSEGV, Segmentation fault.
0x6fed4333 in libstdc++-6!_ZNSt6localeaSERKS_ ()
from C:\MinGW\bin\libstdc++-6.dll