mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.6 KiB
81 lines
2.6 KiB
#include <opencv2/videoio.hpp> |
|
#include <opencv2/highgui.hpp> |
|
#include <opencv2/gapi.hpp> |
|
#include <opencv2/gapi/core.hpp> |
|
#include <opencv2/gapi/imgproc.hpp> |
|
|
|
#include <opencv2/gapi/cpu/gcpukernel.hpp> |
|
|
|
#include <opencv2/gapi/fluid/core.hpp> |
|
#include <opencv2/gapi/fluid/imgproc.hpp> |
|
|
|
G_TYPED_KERNEL(IAdd, <cv::GMat(cv::GMat)>, "test.custom.add") { |
|
static cv::GMatDesc outMeta(const cv::GMatDesc &in) { return in; } |
|
}; |
|
G_TYPED_KERNEL(IFilter2D, <cv::GMat(cv::GMat)>, "test.custom.filter2d") { |
|
static cv::GMatDesc outMeta(const cv::GMatDesc &in) { return in; } |
|
}; |
|
G_TYPED_KERNEL(IRGB2YUV, <cv::GMat(cv::GMat)>, "test.custom.add") { |
|
static cv::GMatDesc outMeta(const cv::GMatDesc &in) { return in; } |
|
}; |
|
GAPI_OCV_KERNEL(CustomAdd, IAdd) { static void run(cv::Mat, cv::Mat &) {} }; |
|
GAPI_OCV_KERNEL(CustomFilter2D, IFilter2D) { static void run(cv::Mat, cv::Mat &) {} }; |
|
GAPI_OCV_KERNEL(CustomRGB2YUV, IRGB2YUV) { static void run(cv::Mat, cv::Mat &) {} }; |
|
|
|
int main(int argc, char *argv[]) |
|
{ |
|
if (argc < 3) |
|
return -1; |
|
|
|
cv::Mat input = cv::imread(argv[1]); |
|
cv::Mat output; |
|
|
|
{ |
|
//! [graph_def] |
|
cv::GMat in; |
|
cv::GMat gx = cv::gapi::Sobel(in, CV_32F, 1, 0); |
|
cv::GMat gy = cv::gapi::Sobel(in, CV_32F, 0, 1); |
|
cv::GMat g = cv::gapi::sqrt(cv::gapi::mul(gx, gx) + cv::gapi::mul(gy, gy)); |
|
cv::GMat out = cv::gapi::convertTo(g, CV_8U); |
|
//! [graph_def] |
|
|
|
//! [graph_decl_apply] |
|
//! [graph_cap_full] |
|
cv::GComputation sobelEdge(cv::GIn(in), cv::GOut(out)); |
|
//! [graph_cap_full] |
|
sobelEdge.apply(input, output); |
|
//! [graph_decl_apply] |
|
|
|
//! [apply_with_param] |
|
cv::gapi::GKernelPackage kernels = cv::gapi::combine |
|
(cv::gapi::core::fluid::kernels(), |
|
cv::gapi::imgproc::fluid::kernels()); |
|
sobelEdge.apply(input, output, cv::compile_args(kernels)); |
|
//! [apply_with_param] |
|
|
|
//! [graph_cap_sub] |
|
cv::GComputation sobelEdgeSub(cv::GIn(gx, gy), cv::GOut(out)); |
|
//! [graph_cap_sub] |
|
} |
|
//! [graph_gen] |
|
cv::GComputation sobelEdgeGen([](){ |
|
cv::GMat in; |
|
cv::GMat gx = cv::gapi::Sobel(in, CV_32F, 1, 0); |
|
cv::GMat gy = cv::gapi::Sobel(in, CV_32F, 0, 1); |
|
cv::GMat g = cv::gapi::sqrt(cv::gapi::mul(gx, gx) + cv::gapi::mul(gy, gy)); |
|
cv::GMat out = cv::gapi::convertTo(g, CV_8U); |
|
return cv::GComputation(in, out); |
|
}); |
|
//! [graph_gen] |
|
|
|
cv::imwrite(argv[2], output); |
|
|
|
//! [kernels_snippet] |
|
cv::gapi::GKernelPackage pkg = cv::gapi::kernels |
|
< CustomAdd |
|
, CustomFilter2D |
|
, CustomRGB2YUV |
|
>(); |
|
//! [kernels_snippet] |
|
return 0; |
|
}
|
|
|