Не могу устранить ошибки

#include "pch.h"
#include <opencv2/core/cuda.hpp>
#include <opencv2/opencv.hpp>
#
#include <vector>
#include <iostream>
 
using namespace cv;
using namespace std;
int main()
{
    Mat src1 = imread("1.tif", CV_LOAD_IMAGE_GRAYSCALE);
    Mat src2 = imread("2.tif", CV_LOAD_IMAGE_GRAYSCALE);
 
    Mat upperMatf, lowerMatf, resultMatf, resultMat; // buffers for CPU calculations
 
    cuda::GpuMat buf1, buf2, result; //GPU buffers
 
    if (!src1.data) exit(1); //can read input images and exit
    if (!src2.data) exit(1);
    Mat src1f, src2f; //buffers for float
    src1.convertTo(src1f, CV_32FC1, 1.0 / 255.0); //convert to float
    src2.convertTo(src2f, CV_32FC1, 1.0 / 255.0); //convert to float
 
    // this is GPU work
    buf1.upload(src1f); //uploading to GPU first image in float form
    buf2.upload(src2f); //--
    result = buf1 - buf2; //elementwise addition of two matrixes on CUDA
    buf1 += buf2; // elementwise substraction of two matrixes on CUDA
    result = result / buf1; // float point devision on CUDA
    result.download(resultMatf);// downloading result from CUDA 
    
    
    Mat upperMap(src1);
    Mat lowerMap(src2);
 
    //calculations of CPU
    upperMatf = src1f - src2f;
    lowerMatf = src1f + src2f;
    resultMatf = upperMatf / lowerMatf;
 
 
    //anyway
    //normalizing result for file output
    double minVal = 0; // minimal value in matrix
    double maxVal = 0; //maximal value in matrix
    Point minLoc, maxLoc; //location of elements in matrix
    minMaxLoc(resultMatf, &minVal, &maxVal, &minLoc, &maxLoc, noArray());
    //just for test purposes 
    cout << "min val : " << minVal << endl;
    cout << "max val: " << maxVal << endl;
    double range = maxVal - minVal;
 
    resultMatf += abs(minVal); //matrix bias to positive values
    double factor = 255 / range; // normalising
    resultMatf.convertTo(resultMat, CV_8UC1, factor); //converting to gray scale char
    // additional params for saving in jpeg format
    vector<int> compression_params;
    compression_params.push_back(CV_IMWRITE_JPEG_QUALITY);
    compression_params.push_back(100);
    //writing out in tif format
    imwrite("out.tif", resultMat /*, compression_params*/);
    //waiting for some input
    cin.get();
    return 0;
}