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| Mat LBP(Mat img_src)
{
bool affiche=true;
Mat img_gray;
Mat img_dst(img_src.rows-2, img_src.cols-2, CV_8UC1);
cvtColor(img_src, img_gray, CV_BGR2GRAY);
for(int i=1;i<img_gray.rows-1;i++)
{
for(int j=1;j<img_gray.cols-1;j++)
{
unsigned char center = img_gray.at<uchar>(i,j);
unsigned char code = 0;
code |= (img_gray.at<uchar>(i-1,j-1) > center) << 7;
code |= (img_gray.at<uchar>(i-1,j) > center) << 6;
code |= (img_gray.at<uchar>(i-1,j+1) > center) << 5;
code |= (img_gray.at<uchar>(i,j+1) > center) << 4;
code |= (img_gray.at<uchar>(i+1,j+1) > center) << 3;
code |= (img_gray.at<uchar>(i+1,j) > center) << 2;
code |= (img_gray.at<uchar>(i+1,j-1) > center) << 1;
code |= (img_gray.at<uchar>(i,j-1) > center) << 0;
img_dst.at<unsigned char>(i-1,j-1) = code;
}
}
if(affiche == true)
{
cv::imshow("image LBP", img_dst);
waitKey(10);
cv::imshow("grayscale",img_gray);
waitKey(10);
}
else
{
cv::destroyWindow("image LBP");
cv::destroyWindow("grayscale");
}
return img_dst;
} |
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