void AsiftKeypoints::inireadSiftParameters(std::string name){
ptree pt;
if(this->path.isExist(name)){
read_ini(name, pt);
inireadSiftParameters(pt);
}else{
std::cout << "not exist " << name << endl;
default_sift_parameters(siftparams);
iniwriteSiftParameters(name);
}
}
/// SIFT matches
static void SIFT(const Image<unsigned char> &im1,
const Image<unsigned char> &im2,
std::vector<Match>& vec_matchings,
float fMatchRatio=0.6f) {
//Convert images to float
Image<float> If1, If2;
libs::convertImage(im1, &If1);
libs::convertImage(im2, &If2);
siftPar param;
default_sift_parameters(param);
param.MatchRatio = fMatchRatio;
param.DoubleImSize=0;
keypointslist keyp1, keyp2;
compute_sift_keypoints(If1.data(), keyp1, If1.Width(), If1.Height(), param);
std::cout<< "sift:: 1st image: " << keyp1.size() << " keypoints"<<std::endl;
compute_sift_keypoints(If2.data(), keyp2, If2.Width(), If2.Height(), param);
std::cout<< "sift:: 2nd image: " << keyp2.size() << " keypoints"<<std::endl;
// Find putatives matches
compute_sift_matches(keyp1, keyp2, vec_matchings, param);
std::cout << "sift:: matches: " << vec_matchings.size() <<std::endl;
}
/// Usage: siftMatch imgIn imgIn2 fileOut [imgOut]
/// Output in text file fileOut the matches evaluated by SIFT method between
/// the images imgIn and imgIn2 (PNG format). If imgOut is in the argument list,
/// this is an image file where matches will be shown (PNG format).
int main(int argc, char **argv)
{
if(argc != 4 && argc != 5) {
std::cerr << "Usage: " << argv[0] << " imgIn imgIn2 fileOut [imgOut]"
<< std::endl;
return 1;
}
//////////////////////////////////////////////// Input
int w1, h1;
float* ipixels1;
if(! load(argv[1], ipixels1, w1, h1))
return 1;
//////////////////////////////////////////////// Input
int w2, h2;
float* ipixels2;
if(! load(argv[2], ipixels2, w2, h2))
return 1;
///////////////////////////////////////// Applying Sift
siftPar siftparameters;
default_sift_parameters(siftparameters);
siftparameters.DoubleImSize=0;
keypointslist keyp1, keyp2;
compute_sift_keypoints(ipixels1,keyp1,w1,h1,siftparameters);
std::cout<< "siftMatch:: 1st image: " << keyp1.size() << " keypoints"<<std::endl;
compute_sift_keypoints(ipixels2,keyp2,w2,h2,siftparameters);
std::cout<< "siftMatch:: 2nd image: " << keyp2.size() << " keypoints"<<std::endl;
matchingslist matchings;
compute_sift_matches(keyp1,keyp2,matchings,siftparameters);
std::cout << "siftMatch:: matches: " << matchings.size() <<std::endl;
//////////////////////////////////////////////////////////////// Save file with matches
saveMatch(argv[3], matchings);
//////////////////////////////////////////////// Output image containing line matches
if(argc > 4) {
int wo = std::max(w1,w2);
int ho = h1+h2;
float *opixels = new float[wo*ho];
for(int j = 0; j < h1; j++)
for(int i = 0; i < w1; i++) opixels[j*wo+i] = ipixels1[j*w1+i];
for(int j = 0; j < h2; j++)
for(int i = 0; i < w2; i++) opixels[(h1 + j)*wo + i] = ipixels2[j*w2 + i];
//////////////////////////////////////////////////////////////////// Draw matches
matchingslist::iterator ptr = matchings.begin();
for(; ptr != matchings.end(); ++ptr)
draw_line(opixels,
(int) ptr->x1, (int) ptr->y1,
(int) ptr->x2, (int) ptr->y2 + h1,
255.0f, wo, ho);
///////////////////////////////////////////////////////////////// Save imgOut
io_png_write_f32(argv[4], opixels, (size_t)wo, (size_t)ho, 1);
delete[] opixels;
}
/////////////////////////////////////////////////////////////// Delete memory
free(ipixels1);
free(ipixels2);
return 0;
}
