/usr/include/opencv2/reg/mappergradproj.hpp is in libopencv-contrib-dev 3.2.0+dfsg-4build2.
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#ifndef MAPPERGRADPROJ_H_
#define MAPPERGRADPROJ_H_
#include "mapper.hpp"
namespace cv {
namespace reg {
//! @addtogroup reg
//! @{
/*!
* Gradient mapper for a projective transformation
*/
class CV_EXPORTS MapperGradProj: public Mapper
{
public:
MapperGradProj(void);
~MapperGradProj(void);
virtual void calculate(const cv::Mat& img1, const cv::Mat& img2, cv::Ptr<Map>& res) const;
cv::Ptr<Map> getMap(void) const;
};
//! @}
}} // namespace cv::reg
#endif // MAPPERGRADPROJ_H_
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