Created
March 16, 2019 14:43
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Operadores de Prewitt para processamento digital de imagens (Filtro 3x3)
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Mat operadoresPrewitt(Mat img){ | |
Mat imgResultante = img.clone(); | |
int gx,gy; | |
for(int i=0; i< img.rows; i++){ | |
for(int j=0; j < img.cols; j++){ | |
gx = (img.at<uchar>(i-1,j+1) + img.at<uchar>(i,j+1) + img.at<uchar>(i+1,j+1)) - | |
(img.at<uchar>(i-1, j-1) + img.at<uchar>(i, j-1) + img.at<uchar>(i+1, j-1)); | |
gy = (img.at<uchar>(i+1,j-1) + img.at<uchar>(i+1,j) + img.at<uchar>(i+1,j+1)) - | |
(img.at<uchar>(i-1, j-1) + img.at<uchar>(i-1, j) + img.at<uchar>(i-1, j+1)); | |
imgResultante.at<uchar>(i,j) = sqrt(pow(gx, 2) + pow(gy, 2)); | |
} | |
} | |
return imgResultante; | |
} |
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