predict_collector.hpp

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#ifndef __OPENCV_PREDICT_COLLECTOR_HPP__
#define __OPENCV_PREDICT_COLLECTOR_HPP__
 
#include <vector>
#include <map>
#include <utility>
#include <cfloat>
 
#include "opencv2/core/base.hpp"
 
namespace cv {
namespace face {
 
class CV_EXPORTS_W PredictCollector
{
public:
    virtual ~PredictCollector() {}
 
    virtual void init(size_t size) { CV_UNUSED(size); }
 
    virtual bool collect(int label, double dist) = 0;
};
 
class CV_EXPORTS_W StandardCollector : public PredictCollector
{
public:
    struct PredictResult
    {
        int label;
        double distance;
        PredictResult(int label_ = -1, double distance_ = DBL_MAX) : label(label_), distance(distance_) {}
    };
protected:
    double threshold;
    PredictResult minRes;
    std::vector<PredictResult> data;
public:
    StandardCollector(double threshold_ = DBL_MAX);
    void init(size_t size) CV_OVERRIDE;
    bool collect(int label, double dist) CV_OVERRIDE;
    CV_WRAP int getMinLabel() const;
    CV_WRAP double getMinDist() const;
    CV_WRAP std::vector< std::pair<int, double> > getResults(bool sorted = false) const;
    std::map<int, double> getResultsMap() const;
    CV_WRAP static Ptr<StandardCollector> create(double threshold = DBL_MAX);
};
 
}
}
 
#endif