MomentMask.cpp

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#include "EdgeDetection/MomentMask.h"

#include <cmath>

namespace EdgeDetection
{
        double MomentMask::GetValue(Rectangle rectangle)
        {
                double p = degreeX + 1;
                double q = degreeY + 1;

                double valueX = pow(rectangle.GetRight(), p) - pow(rectangle.GetLeft(), p);
                double valueY = pow(rectangle.GetBottom(), q) - pow(rectangle.GetTop(), q);

                return (valueX * valueY) / (p * q);
        }
        bool MomentMask::CanCalculateIntegral(Rectangle rectangle)
        {
                bool leftTopInside = rectangle.GetLeftTop().GetLength() <= 1;
                bool rightTopInside = rectangle.GetRightTop().GetLength() <= 1;
                bool leftBottomInside = rectangle.GetLeftBottom().GetLength() <= 1;
                bool rightBottomInside = rectangle.GetRightBottom().GetLength() <= 1;

                return (leftTopInside && rightTopInside && leftBottomInside && rightBottomInside) || (!leftTopInside && !rightTopInside && !leftBottomInside && !rightBottomInside);
        }
        double MomentMask::CalculateIntegral(Rectangle rectangle)
        {
                return (rectangle.GetCenter().GetLength() <= 1 ? 1.00 : 0.00) * GetValue(rectangle);
        }
        double MomentMask::EstimateIntegral(Rectangle rectangle)
        {
                return (rectangle.GetCenter().GetLength() <= 1 ? 0.75 : 0.25) * GetValue(rectangle);
        }
};