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- /**
- * @file Laplace_Demo.cpp
- * @brief Sample code showing how to detect edges using the Laplace operator
- * @author OpenCV team
- */
- #include "opencv2/imgproc/imgproc.hpp"
- #include "opencv2/highgui/highgui.hpp"
- #include <stdlib.h>
- #include <stdio.h>
- using namespace cv;
- /**
- * @function main
- */
- int main( int, char** argv )
- {
- Mat src, src_gray, dst;
- int kernel_size = 3;
- int scale = 1;
- int delta = 0;
- int ddepth = CV_16S;
- const char* window_name = "Laplace Demo";
- /// Load an image
- src = imread( argv[1] );
- if( !src.data )
- { return -1; }
- /// Remove noise by blurring with a Gaussian filter
- GaussianBlur( src, src, Size(3,3), 0, 0, BORDER_DEFAULT );
- /// Convert the image to grayscale
- cvtColor( src, src_gray, COLOR_RGB2GRAY );
- /// Create window
- namedWindow( window_name, WINDOW_AUTOSIZE );
- /// Apply Laplace function
- Mat abs_dst;
- Laplacian( src_gray, dst, ddepth, kernel_size, scale, delta, BORDER_DEFAULT );
- convertScaleAbs( dst, abs_dst );
- /// Show what you got
- imshow( window_name, abs_dst );
- waitKey(0);
- return 0;
- }
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