Canny Edge Detection

#include <opencv\highgui.h>
#include <opencv2\opencv.hpp>
#include <opencv cv.h>

using namespace cv;

int main() {
	
	IplImage *inputImg = cvLoadImage("lena.jpg", CV_LOAD_IMAGE_GRAYSCALE);
	IplImage *edgeDetection1 = cvCreateImage(cvGetSize(inputImg), IPL_DEPTH_8U, 1);
	IplImage *edgeDetection2 = cvCreateImage(cvGetSize(inputImg), IPL_DEPTH_8U, 1);
	IplImage *edgeDetection3 = cvCreateImage(cvGetSize(inputImg), IPL_DEPTH_8U, 1);

	cvNamedWindow("InputImage", CV_WINDOW_AUTOSIZE);
	cvShowImage("InputImage", inputImg);
	
	cvCanny(inputImg, edgeDetection1, 50, 100, 3);
	cvCanny(inputImg, edgeDetection2, 50, 200, 3);
	cvCanny(inputImg, edgeDetection3, 10, 100, 3);

	cvShowImage("Edge1", edgeDetection1);
	cvShowImage("Edge2", edgeDetection2);
	cvShowImage("Edge3", edgeDetection3);

	cvWaitKey(0);
	return 0;
}

캐니 엣지를 활용한 윤곽선 검출 예제 입니다.

결과화면은 다음과 같습니다.