deepin-ocr/3rdparty/opencv-4.5.4/modules/gapi/samples/slides_sobel_cv.cpp
wangzhengyang 718c41634f feat: 切换后端至PaddleOCR-NCNN,切换工程为CMake
1.项目后端整体迁移至PaddleOCR-NCNN算法,已通过基本的兼容性测试
2.工程改为使用CMake组织,后续为了更好地兼容第三方库,不再提供QMake工程
3.重整权利声明文件,重整代码工程,确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN,切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c
2022-05-10 10:22:11 +08:00

28 lines
544 B
C++

#include <opencv2/videoio.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/gapi.hpp>
#include <opencv2/gapi/core.hpp>
#include <opencv2/gapi/imgproc.hpp>
int main(int argc, char *argv[])
{
(void) argc;
(void) argv;
using namespace cv;
Mat in_mat = imread("lena.png");
Mat gx, gy;
Sobel(in_mat, gx, CV_32F, 1, 0);
Sobel(in_mat, gy, CV_32F, 0, 1);
Mat mag;
sqrt(gx.mul(gx) + gy.mul(gy), mag);
Mat out_mat;
mag.convertTo(out_mat, CV_8U);
imwrite("lena-out.png", out_mat);
return 0;
}