integral.cpp
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#include <opencv2/imgproc/imgproc.hpp>
#include <openbr_plugin.h>
namespace br
{
/*!
* \ingroup transforms
* \brief Computes integral image.
* \author Josh Klontz \cite jklontz
*/
class IntegralTransform : public UntrainableTransform
{
Q_OBJECT
void project(const Template &src, Template &dst) const
{
cv::integral(src, dst);
}
};
BR_REGISTER(Transform, IntegralTransform)
/*!
* \ingroup transforms
* \brief Computes magnitude and/or angle of image.
* \author Josh Klontz \cite jklontz
*/
class GradientTransform : public UntrainableTransform
{
Q_OBJECT
Q_ENUMS(Channel)
Q_PROPERTY(Channel channel READ get_channel WRITE set_channel RESET reset_channel STORED false)
public:
enum Channel { Magnitude, Angle, MagnitudeAndAngle };
private:
BR_PROPERTY(Channel, channel, Angle)
void project(const Template &src, Template &dst) const
{
if (src.m().type() != CV_8UC1) qFatal("Requires CV_8UC1 input.");
cv::Mat dx, dy, magnitude, angle;
cv::Sobel(src, dx, CV_32F, 1, 0);
cv::Sobel(src, dy, CV_32F, 0, 1);
cv::cartToPolar(dx, dy, magnitude, angle, true);
if ((channel == Magnitude) || (channel == MagnitudeAndAngle))
dst.append(magnitude);
if ((channel == Angle) || (channel == MagnitudeAndAngle))
dst.append(angle);
}
};
BR_REGISTER(Transform, GradientTransform)
} // namespace br
#include "integral.moc"