标签:turn names read stream sig clu smooth void imwrite
#include <opencv2\highgui\highgui.hpp> #include <iostream> #include<vector> using namespace cv; using namespace std; void gaussianFilter2(vector<uchar> corrupted, vector<uchar> &smooth, int width, int height) { int templates[25] = { 1, 4, 7, 4, 1, 4, 16, 26, 16, 4, 7, 26, 41, 26, 7, 4, 16, 26, 16, 4, 1, 4, 7, 4, 1 }; //滤波器模板 smooth = corrupted; //复制像素 for (int j = 2; j<height - 2; j++) //边缘不处理 { for (int i = 6; i<width - 7; i++) { int sum = 0; int index = 0; for (int m = j - 2; m<j + 3; m++) { for (int n = i - 6; n<i + 7; n+=3) { sum += corrupted[m*width + n] * templates[index++]; } } sum /= 273; if (sum > 255) sum = 255; smooth[j*width + i] = sum; } } for (int j = 0; j< 2; j++) //上边缘处理 { for (int i = 6; i<width-7 ; i++) { int sum = 0; int index = 0; for (int m = j - 2; m<j + 3; m++) { int mt = m; if (mt < 0)mt = -mt; for (int n = i - 6; n<i + 7; n += 3) { sum += corrupted[mt*width + n] * templates[index++]; } } sum /= 273; if (sum > 255) sum = 255; smooth[j*width + i] = sum; } } for (int j = height-2; j< height; j++) //下边缘处理 { for (int i = 6; i<width - 7; i++) { int sum = 0; int index = 0; for (int m = j - 2; m<j + 3; m++) { int mt = m; if (mt >height-1)mt =2*height-1-mt; for (int n = i - 6; n<i + 7; n += 3) { sum += corrupted[mt*width + n] * templates[index++]; } } sum /= 273; if (sum > 255) sum = 255; smooth[j*width + i] = sum; } } for (int j = 0; j< height; j++) //左边缘处理 { for (int i = 0; i<6; i++) { int sum = 0; int index = 0; for (int m = j - 2; m<j + 3; m++) { int mt = m; if (mt >height - 1)mt = 2 * height - 1 - mt; if (mt < 0)mt = -mt; for (int n = i - 6; n<i + 7; n += 3) { int nt = n; if (nt < 0)nt = -nt; sum += corrupted[mt*width + nt] * templates[index++]; } } sum /= 273; if (sum > 255) sum = 255; smooth[j*width + i] = sum; } } for (int j = 0; j< height; j++) //右边缘处理 { for (int i = width - 7; i<width; i++) { int sum = 0; int index = 0; for (int m = j - 2; m<j + 3; m++) { int mt = m; if (mt >height - 1)mt = 2 * (height - 1) - mt; if (mt < 0)mt = -mt; for (int n = i - 6; n<i + 7; n += 3) { int nt = n; if (nt > width-1)nt = 2*(width-1)-nt; sum += corrupted[mt*width + nt] * templates[index++]; } } sum /= 273; if (sum > 255) sum = 255; smooth[j*width + i] = sum; } } } int main() { Mat img = imread("123.jpg", 3); // namedWindow("MyWindow"); // imshow("MyWindow", img); vector<uchar> array(img.rows*img.cols*3); if (img.isContinuous()) { array.assign(img.datastart, img.dataend); } vector<uchar> no(img.rows*img.cols*3); gaussianFilter2(array, no, int(img.cols)*3, img.rows); Mat now((int)img.rows, (int)img.cols, CV_8UC3 ); for (int i = 0; i < img.rows; i++) for (int j = 0; j < img.cols; j++) { now.at<Vec3b>(i, j)[0] = no[i*img.cols*3 + j*3]; now.at<Vec3b>(i, j)[1] = no[i*img.cols*3 + j*3 + 1]; now.at<Vec3b>(i, j)[2] =no[i*img.cols*3 + j*3 + 2] ; } // imwrite("1123.jpg", now); namedWindow("MyWindow1"); imshow("MyWindow1", now); waitKey(0); return 0; }
vs2015+opencv3.3.1 实现 彩色高斯滤波器 包括边缘处理
标签:turn names read stream sig clu smooth void imwrite
原文地址:http://www.cnblogs.com/goudanli/p/7906718.html