srcnativelibs.Include.OpenCV.opencv2.flann.ground_truth.h Maven / Gradle / Ivy

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 * Copyright 2008-2009  Marius Muja ([email protected]). All rights reserved.
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#ifndef OPENCV_FLANN_GROUND_TRUTH_H_
#define OPENCV_FLANN_GROUND_TRUTH_H_

#include "dist.h"
#include "matrix.h"


namespace cvflann
{

template 
void find_nearest(const Matrix& dataset, typename Distance::ElementType* query, int* matches, int nn,
                  int skip = 0, Distance distance = Distance())
{
    typedef typename Distance::ResultType DistanceType;
    int n = nn + skip;

    std::vector match(n);
    std::vector dists(n);

    dists[0] = distance(dataset[0], query, dataset.cols);
    match[0] = 0;
    int dcnt = 1;

    for (size_t i=1; i=1 && dists[j]
void compute_ground_truth(const Matrix& dataset, const Matrix& testset, Matrix& matches,
                          int skip=0, Distance d = Distance())
{
    for (size_t i=0; i(dataset, testset[i], matches[i], (int)matches.cols, skip, d);
    }
}


}

#endif //OPENCV_FLANN_GROUND_TRUTH_H_