9. sobel Filter / Canny Edge

코드

#include "opencv2/opencv.hpp"  

#include <opencv/cv.h>

#include <iostream>

using namespace cv;

using namespace std;

int main() {

Mat image = imread("image/food.jpg", CV_LOAD_IMAGE_COLOR);

namedWindow("video", CV_WINDOW_AUTOSIZE);

namedWindow("Canny", CV_WINDOW_AUTOSIZE);

namedWindow("Sobel", CV_WINDOW_AUTOSIZE);

// Original Image to Gray Image

Mat gray;

cvtColor(image, gray, CV_BGR2GRAY);

// Sobel Filter

Mat sobelX;

Mat sobelY;

Sobel(gray, sobelX, CV_8U, 1, 0);

Sobel(gray, sobelY, CV_8U, 0, 1);

Mat imageSobel;

imageSobel = abs(sobelX) + abs(sobelY);

Mat imageCanny;

Canny(gray, imageCanny, 50, 200);

imshow("video", image);

imshow("Canny", imageCanny);

imshow("Sobel", imageSobel);

waitKey(0);

}

결과값