?

圖像像素的四種算術運算：

1、加：add(src1, src2, addResult);

2、減：subtract(src1, src2, subResult);

3、乘：multiply(src1, src2, mulResult);

4、除：divide(src1, src2, divResult);

?

還可以使用以下方式進行：像素之間的 加、減、乘法

saturateResult.at<Vec3b>(row, col)[0] = saturate_cast<uchar>(b1 * b2);

saturateResult.at<Vec3b>(row, col)[1] = saturate_cast<uchar>(g1 * g2);

saturateResult.at<Vec3b>(row, col)[2] = saturate_cast<uchar>(r1 * r2);

#include "opencv2\opencv.hpp" #include <iostream>using namespace std; using namespace cv;int main(int argv, char** argc) {Mat src1 = imread("G:\\CVworkstudy\\program_wwx\\研習社140課時\\ZhaiZhigang140\\Blender_Suzanne1.jpg");Mat src2 = imread("G:\\CVworkstudy\\program_wwx\\研習社140課時\\ZhaiZhigang140\\Blender_Suzanne2.jpg");if (src1.empty()||src2.empty()){printf("Could not load image src1 or src2...\n");return -1;}Mat addResult = Mat::zeros(src1.size(), src1.type());add(src1, src2, addResult);imshow("addResult", addResult);Mat subResult = Mat::zeros(src1.size(), src1.type());subtract(src1, src2, subResult);imshow("subResult", subResult);Mat mulResult = Mat::zeros(src1.size(), src1.type());multiply(src1, src2, mulResult);imshow("mulResult", mulResult);Mat divResult = Mat::zeros(src1.size(), src1.type());divide(src1, src2, divResult);imshow("divResult", divResult);int b1 = 0, g1 = 0, r1 = 0;int b2 = 0, g2 = 0, r2 = 0;int b = 0, g = 0, r = 0;int height = src1.rows;int width = src1.cols;Mat saturateResult = Mat::zeros(src1.size(), src1.type());for (int row = 0; row < height; row++){for (int col = 0; col < width; col++) {b1 = src1.at<Vec3b>(row, col)[0];g1 = src1.at<Vec3b>(row, col)[1];r1 = src1.at<Vec3b>(row, col)[2];b2 = src2.at<Vec3b>(row, col)[0];g2 = src2.at<Vec3b>(row, col)[1];r2 = src2.at<Vec3b>(row, col)[2];saturateResult.at<Vec3b>(row, col)[0] = saturate_cast<uchar>(b1 * b2);saturateResult.at<Vec3b>(row, col)[1] = saturate_cast<uchar>(g1 * g2);saturateResult.at<Vec3b>(row, col)[2] = saturate_cast<uchar>(r1 * r2);}}imshow("saturateResult", saturateResult);waitKey(0);return 0; }

src1

src2

運行結果：

相加：

相減：

?

?相乘：

相除：

saturateResult：（相乘）

?

轉載于:https://www.cnblogs.com/Vince-Wu/p/11093958.html

總結

以上是生活随笔為你收集整理的OpenCv 005---图像像素的算术操作的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。