Canny.cpp

#include "stdafx.h"

#pragma comment(lib, "opencv_core230d.lib")   
#pragma comment(lib, "opencv_highgui230d.lib")   
#pragma comment(lib, "opencv_imgproc230d.lib")   
#pragma comment(lib, "opencv_legacy230d.lib")   
#pragma comment(lib, "opencv_video230d.lib")

// opencvのヘッダの前で定義
#pragma warning(disable:4996)
#pragma warning(disable:4819)

#include <opencv/cv.h>
#include <opencv/cvaux.h>
#include <opencv/cxcore.h>
#include <opencv/highgui.h>

#include <iostream>

int _tmain(int argc, _TCHAR* argv[])
{
	cv::Mat img = cv::imread("test.jpg");
	if( img.empty() ) {
		std::cerr << "imread error..." << std::endl;
		return -1;
	}

	cv::Mat gray_img;
	cv::cvtColor(img, gray_img, CV_BGR2GRAY);

	cv::Mat edge;
	cv::Canny(gray_img, edge, 10, 100);

	cv::imshow("original", img);
	cv::imshow("edge", edge);

	cv::waitKey(0);	

	return 0;
}