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rewrote matchTemplate in C++; added border awareness to crossCorr (ticket #557)

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Vadim Pisarevsky
2010-11-12 20:55:32 +00:00
parent 66d10b1815
commit 9e7b8d5f67
4 changed files with 39 additions and 10 deletions
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29
samples/c/image.cpp
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@@ -4,6 +4,8 @@
using namespace cv; // all the new API is put into "cv" namespace. Export its content
#if 0
// enable/disable use of mixed API in the code below.
#define DEMO_MIXED_API_USE 1
@@ -108,3 +110,30 @@ int main( int argc, char** argv )
// all the memory will automatically be released by Vector<>, Mat and Ptr<> destructors.
}
#else
int main(int argc, char *argv[])
{
Mat im(160, 160, CV_32F);
randu(im, Scalar(0.0), Scalar(1.0));
Mat dd = Mat::zeros(17,1,CV_32F);
Mat lp = Mat::zeros(17,1,CV_32F);
dd.at<float>(0) = 0.5;
dd.at<float>(16) = -0.5;
lp.at<float>(0) = 0.5;
lp.at<float>(16) = 0.5;
int p = 16;
Mat H = dd*lp.t();
Mat imcrop(im, Rect(17, 17, im.cols-2*p, im.rows-2*p));
Mat out1, out2;
filter2D(imcrop, out1, CV_32F, H, Point(-1,-1));
sepFilter2D(imcrop, out2, CV_32F, lp, dd, Point(-1,-1));
Mat temp;
out1.convertTo(temp, CV_16U, 65535.0, 32768.0);
imshow("filtered1.png", temp);
out2.convertTo(temp, CV_16U, 65535.0, 32768.0);
imshow("filtered2.png", temp);
waitKey();
}
#endif