#include "opencv2/highgui/highgui.hpp"
#include "opencv2/features2d/features2d.hpp"
+#include "opencv2/contrib/contrib.hpp"
#include <iostream>
#include <fstream>
void printPrompt( const string& applName )
{
- cout << "/*\n"
- << " * This is a sample on matching descriptors detected on one image to descriptors detected in image set.\n"
- << " * So we have one query image and several train images. For each keypoint descriptor of query image\n"
- << " * the one nearest train descriptor is found the entire collection of train images. To visualize the result\n"
- << " * of matching we save images, each of which combines query and train image with matches between them (if they exist).\n"
- << " * Match is drawn as line between corresponding points. Count of all matches is equel to count of\n"
- << " * query keypoints, so we have the same count of lines in all set of result images (but not for each result\n"
- << " * (train) image).\n"
- << " */\n" << endl;
+ cout << "/*\n"
+ << " * This is a sample on matching descriptors detected on one image to descriptors detected in image set.\n"
+ << " * So we have one query image and several train images. For each keypoint descriptor of query image\n"
+ << " * the one nearest train descriptor is found the entire collection of train images. To visualize the result\n"
+ << " * of matching we save images, each of which combines query and train image with matches between them (if they exist).\n"
+ << " * Match is drawn as line between corresponding points. Count of all matches is equel to count of\n"
+ << " * query keypoints, so we have the same count of lines in all set of result images (but not for each result\n"
+ << " * (train) image).\n"
+ << " */\n" << endl;
cout << endl << "Format:\n" << endl;
cout << "./" << applName << " [detectorType] [descriptorType] [matcherType] [queryImage] [fileWithTrainImages] [dirToSaveResImages]" << endl;
void readTrainFilenames( const string& filename, string& dirName, vector<string>& trainFilenames )
{
- const char dlmtr = '/';
-
trainFilenames.clear();
ifstream file( filename.c_str() );
if ( !file.is_open() )
return;
- size_t pos = filename.rfind(dlmtr);
+ size_t pos = filename.rfind('\\');
+ char dlmtr = '\\';
+ if (pos == String::npos)
+ {
+ pos = filename.rfind('/');
+ dlmtr = '/';
+ }
dirName = pos == string::npos ? "" : filename.substr(0, pos) + dlmtr;
+
while( !file.eof() )
{
string str; getline( file, str );
cout << "< Computing descriptors for keypoints..." << endl;
descriptorExtractor->compute( queryImage, queryKeypoints, queryDescriptors );
descriptorExtractor->compute( trainImages, trainKeypoints, trainDescriptors );
+
+ int totalTrainDesc = 0;
+ for( vector<Mat>::const_iterator tdIter = trainDescriptors.begin(); tdIter != trainDescriptors.end(); tdIter++ )
+ totalTrainDesc += tdIter->rows;
+
+ cout << "Query descriptors count: " << queryDescriptors.rows << "; Total train descriptors count: " << totalTrainDesc << endl;
cout << ">" << endl;
}
vector<DMatch>& matches, Ptr<DescriptorMatcher>& descriptorMatcher )
{
cout << "< Set train descriptors collection in the matcher and match query descriptors to them..." << endl;
+ TickMeter tm;
+
+ tm.start();
descriptorMatcher->add( trainDescriptors );
+ descriptorMatcher->train();
+ tm.stop();
+ double buildTime = tm.getTimeMilli();
+
+ tm.start();
descriptorMatcher->match( queryDescriptors, matches );
+ tm.stop();
+ double matchTime = tm.getTimeMilli();
+
CV_Assert( queryDescriptors.rows == (int)matches.size() || matches.empty() );
+
+ cout << "Number of matches: " << matches.size() << endl;
+ cout << "Build time: " << buildTime << " ms; Match time: " << matchTime << " ms" << endl;
cout << ">" << endl;
}
{
maskMatchesByTrainImgIdx( matches, i, mask );
drawMatches( queryImage, queryKeypoints, trainImages[i], trainKeypoints[i],
- matches, drawImg, Scalar::all(-1), Scalar::all(-1), mask );
+ matches, drawImg, Scalar(255, 0, 0), Scalar(0, 255, 255), mask );
string filename = resultDir + "/res_" + trainImagesNames[i];
if( !imwrite( filename, drawImg ) )
cout << "Image " << filename << " can not be saved (may be because directory " << resultDir << " does not exist)." << endl;