diff --git a/modules/stitching/include/opencv2/stitching/detail/warpers.hpp b/modules/stitching/include/opencv2/stitching/detail/warpers.hpp index 4a9bafe64f..812d7d0dc6 100644 --- a/modules/stitching/include/opencv2/stitching/detail/warpers.hpp +++ b/modules/stitching/include/opencv2/stitching/detail/warpers.hpp @@ -342,6 +342,24 @@ protected: } }; +struct PlanePortraitProjector : ProjectorBase +{ + void mapForward(float x, float y, float &u, float &v); + void mapBackward(float u, float v, float &x, float &y); +}; + + +class PlanePortraitWarper : public RotationWarperBase +{ +public: + PlanePortraitWarper(float scale) { projector_.scale = scale; } + +protected: + void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br) + { + RotationWarperBase::detectResultRoiByBorder(src_size, dst_tl, dst_br); + } +}; } // namespace detail } // namespace cv diff --git a/modules/stitching/include/opencv2/stitching/detail/warpers_inl.hpp b/modules/stitching/include/opencv2/stitching/detail/warpers_inl.hpp index d1ff56d036..78eb75625e 100644 --- a/modules/stitching/include/opencv2/stitching/detail/warpers_inl.hpp +++ b/modules/stitching/include/opencv2/stitching/detail/warpers_inl.hpp @@ -389,6 +389,48 @@ void CylindricalPortraitProjector::mapBackward(float u0, float v0, float &x, flo else x = y = -1; } +inline +void PlanePortraitProjector::mapForward(float x, float y, float &u0, float &v0) +{ + float x0_ = r_kinv[0] * x + r_kinv[1] * y + r_kinv[2]; + float y0_ = r_kinv[3] * x + r_kinv[4] * y + r_kinv[5]; + float z_ = r_kinv[6] * x + r_kinv[7] * y + r_kinv[8]; + + float x_ = y0_; + float y_ = x0_; + + x_ = t[0] + x_ / z_ * (1 - t[2]); + y_ = t[1] + y_ / z_ * (1 - t[2]); + + float u,v; + u = scale * x_; + v = scale * y_; + + u0 = -u; + v0 = v; +} + + +inline +void PlanePortraitProjector::mapBackward(float u0, float v0, float &x, float &y) +{ + float u, v; + u = -u0; + v = v0; + + u = u / scale - t[0]; + v = v / scale - t[1]; + + float z; + x = k_rinv[0] * v + k_rinv[1] * u + k_rinv[2] * (1 - t[2]); + y = k_rinv[3] * v + k_rinv[4] * u + k_rinv[5] * (1 - t[2]); + z = k_rinv[6] * v + k_rinv[7] * u + k_rinv[8] * (1 - t[2]); + + x /= z; + y /= z; +} + + } // namespace detail } // namespace cv