请看下面的代码
#include <iostream>
#include <opencv2\highgui\highgui.hpp>
#include <opencv2\core\core.hpp>
using namespace std;
using namespace cv;
void reduceColor(Mat&,int=64);
int main()
{
Mat image = imread("C:/Users/Public/Pictures/Sample Pictures/Koala.jpg");
namedWindow("Image");
imshow("Image",image);
//reduceColor(image,64);
waitKey(0);
}
void reduceColor(Mat &image,int division)
{
int numberOfRows = image.rows;
int numberOfColumns = image.cols * image.channels();
for(int i=0;i<numberOfRows;i++)
{
uchar *data = image.ptr<uchar>(i);
for(int pixel=0;pixel<numberOfColumns;pixel++)
{
data[i] = data[i]/division*division + division/2;
}
}
namedWindow("Image2");
imshow("Image2",image);
}
这是计算机视觉。我正在尝试通过浏览所有像素和通道来读取图像并减少其颜色。但是,颜色并没有减少!它只是显示原始图像!请帮忙!