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Open Source Computer Vision Library
https://opencv.org/
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29 lines
686 B
29 lines
686 B
5 years ago
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#include <opencv2/videoio.hpp>
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#include <opencv2/highgui.hpp>
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#include <opencv2/gapi.hpp>
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#include <opencv2/gapi/core.hpp>
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#include <opencv2/gapi/imgproc.hpp>
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int main(int argc, char *argv[])
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{
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(void) argc;
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(void) argv;
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using namespace cv;
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Mat in_mat = imread("lena.png");
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Mat out_mat;
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GMat in;
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GMat gx = gapi::Sobel(in, CV_32F, 1, 0);
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GMat gy = gapi::Sobel(in, CV_32F, 0, 1);
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GMat mag = gapi::sqrt( gapi::mul(gx, gx)
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+ gapi::mul(gy, gy));
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GMat out = gapi::convertTo(mag, CV_8U);
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GComputation sobel(GIn(in), GOut(out));
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sobel.apply(in_mat, out_mat);
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imwrite("lena-out.png", out_mat);
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return 0;
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}
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