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Notification messages about bad parameters in command line were added in CommandLineParser. Update sample, using parser

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This commit is contained in:
Kirill Kornyakov
2011-06-08 06:45:21 +00:00
parent c7a42e9682
commit aad9b3219c
3 changed files with 92 additions and 35 deletions
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40
samples/cpp/brief_match_test.cpp
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@@ -4,6 +4,7 @@
* Created on: Oct 17, 2010
* Author: ethan
*/
#include "opencv2/core/core.hpp"
#include "opencv2/calib3d/calib3d.hpp"
#include "opencv2/features2d/features2d.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@@ -11,6 +12,7 @@
#include <vector>
#include <iostream>
using namespace std;
using namespace cv;
using std::cout;
@@ -18,13 +20,15 @@ using std::cerr;
using std::endl;
using std::vector;
void help(char **av)
{
cerr << "usage: " << av[0] << " im1.jpg im2.jpg"
<< "\n"
<< "This program shows how to use BRIEF descriptor to match points in features2d\n"
<< "It takes in two images, finds keypoints and matches them displaying matches and final homography warped results\n"
<< endl;
void help()
{
printf("\nThis program shows how to use BRIEF descriptor to match points in features2d\n"
"It takes in two images, finds keypoints and matches them displaying matches and final homography warped results\n"
"Usage: \n"
" ./brief_match_test [--first_file]=<first file name, left01.jpg as default> \n"
" [--second_file]=<second file name, left02.jpg as default> \n"
"Example: \n"
"./brief_match_test --first_file=left01.jpg --second_file=left02.jpg \n");
}
//Copy (x,y) location of descriptor matches found from KeyPoint data structures into Point2f vectors
@@ -55,16 +59,22 @@ double match(const vector<KeyPoint>& /*kpts_train*/, const vector<KeyPoint>& /*k
int main(int ac, char ** av)
int main(int ac, const char ** av)
{
if (ac != 3)
{
help(av);
return 1;
}
help();
CommandLineParser parser(ac, av);
string im1_name, im2_name;
im1_name = av[1];
im2_name = av[2];
im1_name = parser.get<string>("first_file", "left01.jpg");
im2_name = parser.get<string>("second_file", "left02.jpg");
if (im1_name.empty() || im2_name.empty())
{
help();
printf("\n You have to indicate two files first_file and second_file \n");
return -1;
}
Mat im1 = imread(im1_name, CV_LOAD_IMAGE_GRAYSCALE);
Mat im2 = imread(im2_name, CV_LOAD_IMAGE_GRAYSCALE);