c++ - Using cvGet2D function - opencv

Question

Helo, I dont know where is error/ I think it is connected with cvGet2D function but where is sth wrong??

  IplImage *img = cvLoadImage("car1.jpg",0);
  CvScalar s;

  for(int i=0;i<img->height;i++)
  {
      for(int j=0;j<img->width;j++)
      {
          s = cvGet2D(img,i,j);
      }
  }

---

After some time there is info Process returned -1073741819 <0xC0000005>

Answer 1

You also forgot to say exactly what's the problem.

I'll assume you didn't test the result of cvLoadImage() and the application crashed at the first for loop:

IplImage *img = cvLoadImage("car1.jpg",0);
if (!img) 
{
    printf("!!! Failed to load image
");
    return;
}