opencvを使った画像の入出力

ImageStream.cpp

/*
 * ImageStream.cpp
 *
 *  Created on: 2013/05/14
 *      Author: root
 */

#include "SprixImageStream.h"
#include <iostream>
#include <sstream>
#include <string>

using namespace std;

/**
 * ファイルに書き出す
 */
int cv_output_file(InputArray src, string fileName) {
	const string file = string(fileName);
	//const string file_name_str = "/home/recognize/validation/" + file + ".jpg";

	vector<int> params(2);

	// 品質(0-100) defalt:95
	params[0] = CV_IMWRITE_JPEG_QUALITY;
	params[1] = 100;
	imwrite(fileName, src, params);

	return 0;
}

void output_keypoints_on_image(Mat img, vector<KeyPoint> key_points,
		string name) {
	vector<KeyPoint>::iterator itk;
	for (itk = key_points.begin(); itk != key_points.end(); ++itk) {

		//cout << itk->pt << endl;

		circle(img, itk->pt, 2, Scalar(0, 200, 0), 1);
	}

	cv_output_file(img, name);
	//namedWindow(name, CV_WINDOW_AUTOSIZE);
	//imshow(name, img);
	//waitKey(0);
}

string int_to_string(int number) {
	stringstream ss;
	ss << number;
	return ss.str();
}