TemplateMatching.hpp

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#pragma once
 
#include <FAST/ProcessObject.hpp>
 
namespace fast {
 
class Image;
 
class FAST_EXPORT TemplateMatching : public ProcessObject {
    FAST_OBJECT(TemplateMatching)
    public:
        enum class MatchingMetric {
            NORMALIZED_CROSS_CORRELATION,
            SUM_OF_SQUARED_DIFFERENCES,
            SUM_OF_ABSOLUTE_DIFFERENCES,
        };
        void setRegionOfInterest(Vector2i center, Vector2i offset);
        Vector2i getBestFitPixelPosition() const;
        Vector2f getBestFitSubPixelPosition() const;
        void setMatchingMetric(MatchingMetric type);
    private:
        TemplateMatching();
        void execute() override;
 
        MatchingMetric m_type = MatchingMetric::SUM_OF_ABSOLUTE_DIFFERENCES;
        Vector2i m_center = Vector2i(-1, -1);
        Vector2i m_offset;
        Vector2i m_bestFitPosition;
        std::shared_ptr<Image> outputScores;
 
};
 
}