48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
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#include <algorithm>
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#include <opencv2/core.hpp>
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#include <opencv2/highgui.hpp>
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#include <opencv2/imgproc.hpp>
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#include <iostream>
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using namespace cv;
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int main(){
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Mat_<Vec3b> img = imread("kurama.jpg", IMREAD_COLOR); //ha itt meg van adva a templatebe a tipus akkor kesobb nem kella
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//feher pontokat feketere:
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//grayscale
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/*for(int i = 0; i < img.rows; i++){
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for(int j = 0; j < img.cols; j++){
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if(img.at<uchar>(i,j) > 230){
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img.at<uchar>(i,j) = 0;
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}
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}
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}*/
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Vec3b white(255,255,255);
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Vec3b black(0,0,0);
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for(int i = 0; i < img.rows; i++){
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for(int j = 0; j < img.cols; j++){
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/*if(img.at<Vec3b>(i,j)[0] > 230){ //[] melyik szin csatorna (bgr)
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img.at<Vec3b>(i,j) = black;
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}*/
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//if(img(i,j)[0] > 230){
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// img(i,j) = black;
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//}
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}
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}
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for(auto &p : img){
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//csak akkor kell referencia ha modositani akarjuk
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if(p[0] > 230){
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p = black;
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}
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}
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imshow("img", img);
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waitKey();
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return 0;
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}
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