Created
March 16, 2019 12:46
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Função para realizar uma convolução de forma genérica em uma imagem (OpenCV)
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#include <opencv2/opencv.hpp> | |
Mat convoluirGenerica(Mat& img, float **masc, int M, int N){ | |
float output=0; | |
Mat resp = img.clone(); | |
int m=(M-1)/2; | |
int n=(N-1)/2; | |
for (int x=0; x<img.rows;x++){ | |
for (int y=0; y<img.cols; y++){ | |
resp.at<uchar>(x,y) = 0; | |
} | |
} | |
int i=0,j=0; | |
for (int x=m; x<img.rows-m;x++){ | |
for (int y=n; y<img.cols-n; y++) { | |
output=0; | |
for (int ml=-m; ml<=m; ml++){ | |
for (int mc=-n; mc<=n; mc++) { | |
output += img.at<uchar>(x-mc,y-ml) * masc[mc+ m][ml+n]; | |
if(output>255) | |
output=255; | |
if(output<0) | |
output=0; | |
} | |
} | |
resp.at<uchar>(x,y) = (int)output; | |
} | |
} | |
return (resp); | |
} |
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