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#ifndef __OPENCV_SHAPE_SHAPE_TRANSFORM_HPP__
#define __OPENCV_SHAPE_SHAPE_TRANSFORM_HPP__
#include <vector>
#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
namespace cv
{
//! @addtogroup shape
//! @{
/** @brief Abstract base class for shape transformation algorithms.
*/
class CV_EXPORTS_W ShapeTransformer : public Algorithm
{
public:
/** @brief Estimate the transformation parameters of the current transformer algorithm, based on point matches.
@param transformingShape Contour defining first shape.
@param targetShape Contour defining second shape (Target).
@param matches Standard vector of Matches between points.
*/
CV_WRAP virtual void estimateTransformation(InputArray transformingShape, InputArray targetShape,
std::vector<DMatch>& matches) = 0;
/** @brief Apply a transformation, given a pre-estimated transformation parameters.
@param input Contour (set of points) to apply the transformation.
@param output Output contour.
*/
CV_WRAP virtual float applyTransformation(InputArray input, OutputArray output=noArray()) = 0;
/** @brief Apply a transformation, given a pre-estimated transformation parameters, to an Image.
@param transformingImage Input image.
@param output Output image.
@param flags Image interpolation method.
@param borderMode border style.
@param borderValue border value.
*/
CV_WRAP virtual void warpImage(InputArray transformingImage, OutputArray output,
int flags=INTER_LINEAR, int borderMode=BORDER_CONSTANT,
const Scalar& borderValue=Scalar()) const = 0;
};
/***********************************************************************************/
/***********************************************************************************/
/** @brief Definition of the transformation
ocupied in the paper "Principal Warps: Thin-Plate Splines and Decomposition of Deformations", by
F.L. Bookstein (PAMI 1989). :
*/
class CV_EXPORTS_W ThinPlateSplineShapeTransformer : public ShapeTransformer
{
public:
/** @brief Set the regularization parameter for relaxing the exact interpolation requirements of the TPS
algorithm.
@param beta value of the regularization parameter.
*/
CV_WRAP virtual void setRegularizationParameter(double beta) = 0;
CV_WRAP virtual double getRegularizationParameter() const = 0;
};
/** Complete constructor */
CV_EXPORTS_W Ptr<ThinPlateSplineShapeTransformer>
createThinPlateSplineShapeTransformer(double regularizationParameter=0);
/***********************************************************************************/
/***********************************************************************************/
/** @brief Wrapper class for the OpenCV Affine Transformation algorithm. :
*/
class CV_EXPORTS_W AffineTransformer : public ShapeTransformer
{
public:
CV_WRAP virtual void setFullAffine(bool fullAffine) = 0;
CV_WRAP virtual bool getFullAffine() const = 0;
};
/** Complete constructor */
CV_EXPORTS_W Ptr<AffineTransformer> createAffineTransformer(bool fullAffine);
//! @}
} // cv
#endif