void erode_and_dilate( cv::Mat & img) {

	cv::Mat pom = img.clone();

	int value;
	/*for (int i = 0; i< width * height; i++)
	{
		edgemap_8uc1_img.at<unsigned char>(width, height)[i]
	}*/

	for (int y = 1; y < img.cols - 1; y++) {
		for (int x = 1; x < img.rows - 1; x++) {
			value = img.at<uchar>(x, y);
			if (value == 255) {
				pom.at<uchar>(x - 1, y - 1) = 255;
				pom.at<uchar>(x - 1, y) = 255;
				pom.at<uchar>(x - 1, y + 1) = 255;
				pom.at<uchar>(x, y - 1) = 255;
				pom.at<uchar>(x, y + 1) = 255;
				pom.at<uchar>(x + 1, y - 1) = 255;
				pom.at<uchar>(x + 1, y) = 255;
				pom.at<uchar>(x + 1, y + 1) = 255;
			}
		}
	}
	for (int y = 0; y < img.cols; y++) {
		for (int x = 0; x < img.rows; x++) {
			img.at<uchar>(x, y) = pom.at<uchar>(x, y);
		}
	}

	for (int y = 1; y < img.cols - 1; y++) {
		for (int x = 1; x < img.rows - 1; x++) {
			value = img.at<uchar>(x, y);
			if (value == 255 && (
				img.at<uchar>(x - 1, y - 1) != 255 ||
				img.at<uchar>(x - 1, y) != 255 ||
				img.at<uchar>(x - 1, y + 1) != 255 ||
				img.at<uchar>(x, y - 1) != 255 ||
				img.at<uchar>(x, y + 1) != 255 ||
				img.at<uchar>(x + 1, y - 1) != 255 ||
				img.at<uchar>(x + 1, y) != 255 ||
				img.at<uchar>(x + 1, y + 1) != 255)) {
				pom.at<uchar>(x, y) = 0;

			}
		}
	}
	for (int y = 0; y < img.cols; y++) {
		for (int x = 0; x < img.rows; x++) {
			img.at<uchar>(x, y) = pom.at<uchar>(x, y);
		}
	}
}