include <opencv2 core="" core.hpp="">

include <opencv2\highgui\highgui.hpp>

include <opencv2\imgproc\imgproc.hpp>

include <opencv2\nonfree\features2d.hpp>

include <iostream>

#include <opencv2/core/core.hpp>
#include <opencv2\highgui\highgui.hpp>
#include <opencv2\imgproc\imgproc.hpp>
#include <opencv2\nonfree\features2d.hpp>
#include <iostream>

using namespace std;
using namespace cv;
 
cv;
Mat IMG(5620, 4894, CV_8UC3, Scalar(0, 0, 0));
int main()
{
/* Input Image of 4894*5620 size */
Mat image = imread("C:\Users\IIST\Desktop\Madi\NRSC_OCT\a.tif",IMREAD_ANYDEPTH);
imread("C:\\Users\\IIST\\Desktop\\Madi\\NRSC_OCT\\a.tif",IMREAD_ANYDEPTH);
 //Mat image = imread("D:\SC15M053\PROGRAM imread("D:\\SC15M053\\PROGRAM AND OUTPUTS\NRSC\post_image\53N07_cl.img", OUTPUTS\\NRSC\\post_image\\53N07_cl.img", IMREAD_ANYDEPTH);
int ch = image.channels();
int R = image.rows;
int C = image.cols;
cout << "Channles : " << ch << endl << "Rows are : " << R << endl << "Cols are : " << C << endl;
int max = image.at<vec3b>(0, image.at<Vec3b>(0, 0)[0];;
//int max = image.at<vec3b>(258, image.at<Vec3b>(258, 519)[2];
for (int i = 0; i < R; i++)
{
for (int j = 0; j < C; j++)
{
if (max < image.at<vec3b>(i, image.at<Vec3b>(i, j)[0])
max = image.at<vec3b>(i, image.at<Vec3b>(i, j)[0];
}
}
cout << "Maximum value of band : " << max << endl;
cin.get();
return(0);
}}

Exception: Unhandled exception at 0x000007FFFF05AEA8 in FirstOpencv2.exe: Microsoft C++ exception: cv::Exception at memory location 0x00000034A04EF4E0.