Программа для проведения гистограммной атаки

#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
 
using namespace cv;
 
int main()
{
    Mat image = imread("image.jpg", IMREAD_GRAYSCALE); // Load the image in grayscale
    Mat brightnessMatrix = Mat::zeros(image.size(), CV_32F); // Create an empty matrix to hold the brightness values
 
    for (int i = 0; i < image.rows; i++)
    {
        for (int j = 0; j < image.cols; j++)
        {
            brightnessMatrix.at<float>(i,j) = image.at<uchar>(i,j); // Extract the brightness value of each pixel and store it in the matrix
        }
    }
 
    return 0;
}

#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
 
using namespace cv;
 
int main()
{
    Mat image = imread("image.jpg", IMREAD_GRAYSCALE); // Load the image in grayscale
    Mat brightnessMatrix = Mat::zeros(image.size(), CV_32F); // Create an empty matrix to hold the brightness values
 
    for (int i = 0; i < image.rows; i++)
    {
        for (int j = 0; j < image.cols; j++)
        {
            brightnessMatrix.at<float>(i,j) = image.at<uchar>(i,j); // Extract the brightness value of each pixel and store it in the matrix
        }
    }
 
    int histSize = 256; // Number of bins in the histogram
    float range[] = { 0, 256 }; // Range of values in the histogram
    const float* histRange = { range };
    bool uniform = true, accumulate = false;
    Mat hist;
 
    calcHist(&brightnessMatrix, 1, 0, Mat(), hist, 1, &histSize, &histRange, uniform, accumulate); // Calculate the histogram
 
    return 0;
}