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- /*M///////////////////////////////////////////////////////////////////////////////////////
-//
-// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-// By downloading, copying, installing or using the software you agree to this license.
-// If you do not agree to this license, do not download, install,
-// copy or use the software.
-//
-//
-// License Agreement
-// For Open Source Computer Vision Library
-//
-// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
-// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
-//
-// * Redistribution's of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// * Redistribution's in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// * The name of the copyright holders may not be used to endorse or promote products
-// derived from this software without specific prior written permission.
-//
-// This software is provided by the copyright holders and contributors "as is" and
-// any express or implied warranties, including, but not limited to, the implied
-// warranties of merchantability and fitness for a particular purpose are disclaimed.
-// In no event shall the Intel Corporation or contributors be liable for any direct,
-// indirect, incidental, special, exemplary, or consequential damages
-// (including, but not limited to, procurement of substitute goods or services;
-// loss of use, data, or profits; or business interruption) however caused
-// and on any theory of liability, whether in contract, strict liability,
-// or tort (including negligence or otherwise) arising in any way out of
-// the use of this software, even if advised of the possibility of such damage.
-//
-//M*/
-
-#ifndef __OPENCV_STITCHING_WARPERS_HPP__
-#define __OPENCV_STITCHING_WARPERS_HPP__
-
-#include "opencv2/core/core.hpp"
-#include "opencv2/core/gpumat.hpp"
-#include "opencv2/imgproc/imgproc.hpp"
-
-namespace cv {
-namespace detail {
-
-class CV_EXPORTS RotationWarper
-{
-public:
- virtual ~RotationWarper() {}
-
- virtual Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R) = 0;
-
- virtual Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap) = 0;
-
- virtual Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Mat &dst) = 0;
-
- virtual void warpBackward(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Size dst_size, Mat &dst) = 0;
-
- virtual Rect warpRoi(Size src_size, const Mat &K, const Mat &R) = 0;
-
- float getScale() const { return 1.f; }
- void setScale(float) {}
-};
-
-
-struct CV_EXPORTS ProjectorBase
-{
- void setCameraParams(const Mat &K = Mat::eye(3, 3, CV_32F),
- const Mat &R = Mat::eye(3, 3, CV_32F),
- const Mat &T = Mat::zeros(3, 1, CV_32F));
-
- float scale;
- float k[9];
- float rinv[9];
- float r_kinv[9];
- float k_rinv[9];
- float t[3];
-};
-
-
-template <class P>
-class CV_EXPORTS RotationWarperBase : public RotationWarper
-{
-public:
- Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R);
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap);
-
- Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Mat &dst);
-
- void warpBackward(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Size dst_size, Mat &dst);
-
- Rect warpRoi(Size src_size, const Mat &K, const Mat &R);
-
- float getScale() const { return projector_.scale; }
- void setScale(float val) { projector_.scale = val; }
-
-protected:
-
- // Detects ROI of the destination image. It's correct for any projection.
- virtual void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br);
-
- // Detects ROI of the destination image by walking over image border.
- // Correctness for any projection isn't guaranteed.
- void detectResultRoiByBorder(Size src_size, Point &dst_tl, Point &dst_br);
-
- P projector_;
-};
-
-
-struct CV_EXPORTS PlaneProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS PlaneWarper : public RotationWarperBase<PlaneProjector>
-{
-public:
- PlaneWarper(float scale = 1.f) { projector_.scale = scale; }
-
- void setScale(float scale) { projector_.scale = scale; }
-
- Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R, const Mat &T);
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, const Mat &T, Mat &xmap, Mat &ymap);
-
- Point warp(const Mat &src, const Mat &K, const Mat &R, const Mat &T, int interp_mode, int border_mode,
- Mat &dst);
-
- Rect warpRoi(Size src_size, const Mat &K, const Mat &R, const Mat &T);
-
-protected:
- void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br);
-};
-
-
-struct CV_EXPORTS SphericalProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-// Projects image onto unit sphere with origin at (0, 0, 0).
-// Poles are located at (0, -1, 0) and (0, 1, 0) points.
-class CV_EXPORTS SphericalWarper : public RotationWarperBase<SphericalProjector>
-{
-public:
- SphericalWarper(float scale) { projector_.scale = scale; }
-
-protected:
- void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br);
-};
-
-
-struct CV_EXPORTS CylindricalProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-// Projects image onto x * x + z * z = 1 cylinder
-class CV_EXPORTS CylindricalWarper : public RotationWarperBase<CylindricalProjector>
-{
-public:
- CylindricalWarper(float scale) { projector_.scale = scale; }
-
-protected:
- void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br)
- {
- RotationWarperBase<CylindricalProjector>::detectResultRoiByBorder(src_size, dst_tl, dst_br);
- }
-};
-
-
-struct CV_EXPORTS FisheyeProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS FisheyeWarper : public RotationWarperBase<FisheyeProjector>
-{
-public:
- FisheyeWarper(float scale) { projector_.scale = scale; }
-};
-
-
-struct CV_EXPORTS StereographicProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS StereographicWarper : public RotationWarperBase<StereographicProjector>
-{
-public:
- StereographicWarper(float scale) { projector_.scale = scale; }
-};
-
-
-struct CV_EXPORTS CompressedRectilinearProjector : ProjectorBase
-{
- float a, b;
-
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS CompressedRectilinearWarper : public RotationWarperBase<CompressedRectilinearProjector>
-{
-public:
- CompressedRectilinearWarper(float scale, float A = 1, float B = 1)
- {
- projector_.a = A;
- projector_.b = B;
- projector_.scale = scale;
- }
-};
-
-
-struct CV_EXPORTS CompressedRectilinearPortraitProjector : ProjectorBase
-{
- float a, b;
-
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS CompressedRectilinearPortraitWarper : public RotationWarperBase<CompressedRectilinearPortraitProjector>
-{
-public:
- CompressedRectilinearPortraitWarper(float scale, float A = 1, float B = 1)
- {
- projector_.a = A;
- projector_.b = B;
- projector_.scale = scale;
- }
-};
-
-
-struct CV_EXPORTS PaniniProjector : ProjectorBase
-{
- float a, b;
-
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS PaniniWarper : public RotationWarperBase<PaniniProjector>
-{
-public:
- PaniniWarper(float scale, float A = 1, float B = 1)
- {
- projector_.a = A;
- projector_.b = B;
- projector_.scale = scale;
- }
-};
-
-
-struct CV_EXPORTS PaniniPortraitProjector : ProjectorBase
-{
- float a, b;
-
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS PaniniPortraitWarper : public RotationWarperBase<PaniniPortraitProjector>
-{
-public:
- PaniniPortraitWarper(float scale, float A = 1, float B = 1)
- {
- projector_.a = A;
- projector_.b = B;
- projector_.scale = scale;
- }
-
-};
-
-
-struct CV_EXPORTS MercatorProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS MercatorWarper : public RotationWarperBase<MercatorProjector>
-{
-public:
- MercatorWarper(float scale) { projector_.scale = scale; }
-};
-
-
-struct CV_EXPORTS TransverseMercatorProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS TransverseMercatorWarper : public RotationWarperBase<TransverseMercatorProjector>
-{
-public:
- TransverseMercatorWarper(float scale) { projector_.scale = scale; }
-};
-
-
-class CV_EXPORTS PlaneWarperGpu : public PlaneWarper
-{
-public:
- PlaneWarperGpu(float scale = 1.f) : PlaneWarper(scale) {}
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap)
- {
- Rect result = buildMaps(src_size, K, R, d_xmap_, d_ymap_);
- d_xmap_.download(xmap);
- d_ymap_.download(ymap);
- return result;
- }
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, const Mat &T, Mat &xmap, Mat &ymap)
- {
- Rect result = buildMaps(src_size, K, R, T, d_xmap_, d_ymap_);
- d_xmap_.download(xmap);
- d_ymap_.download(ymap);
- return result;
- }
-
- Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Mat &dst)
- {
- d_src_.upload(src);
- Point result = warp(d_src_, K, R, interp_mode, border_mode, d_dst_);
- d_dst_.download(dst);
- return result;
- }
-
- Point warp(const Mat &src, const Mat &K, const Mat &R, const Mat &T, int interp_mode, int border_mode,
- Mat &dst)
- {
- d_src_.upload(src);
- Point result = warp(d_src_, K, R, T, interp_mode, border_mode, d_dst_);
- d_dst_.download(dst);
- return result;
- }
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, gpu::GpuMat &xmap, gpu::GpuMat &ymap);
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, const Mat &T, gpu::GpuMat &xmap, gpu::GpuMat &ymap);
-
- Point warp(const gpu::GpuMat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- gpu::GpuMat &dst);
-
- Point warp(const gpu::GpuMat &src, const Mat &K, const Mat &R, const Mat &T, int interp_mode, int border_mode,
- gpu::GpuMat &dst);
-
-private:
- gpu::GpuMat d_xmap_, d_ymap_, d_src_, d_dst_;
-};
-
-
-class CV_EXPORTS SphericalWarperGpu : public SphericalWarper
-{
-public:
- SphericalWarperGpu(float scale) : SphericalWarper(scale) {}
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap)
- {
- Rect result = buildMaps(src_size, K, R, d_xmap_, d_ymap_);
- d_xmap_.download(xmap);
- d_ymap_.download(ymap);
- return result;
- }
-
- Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Mat &dst)
- {
- d_src_.upload(src);
- Point result = warp(d_src_, K, R, interp_mode, border_mode, d_dst_);
- d_dst_.download(dst);
- return result;
- }
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, gpu::GpuMat &xmap, gpu::GpuMat &ymap);
-
- Point warp(const gpu::GpuMat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- gpu::GpuMat &dst);
-
-private:
- gpu::GpuMat d_xmap_, d_ymap_, d_src_, d_dst_;
-};
-
-
-class CV_EXPORTS CylindricalWarperGpu : public CylindricalWarper
-{
-public:
- CylindricalWarperGpu(float scale) : CylindricalWarper(scale) {}
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap)
- {
- Rect result = buildMaps(src_size, K, R, d_xmap_, d_ymap_);
- d_xmap_.download(xmap);
- d_ymap_.download(ymap);
- return result;
- }
-
- Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- Mat &dst)
- {
- d_src_.upload(src);
- Point result = warp(d_src_, K, R, interp_mode, border_mode, d_dst_);
- d_dst_.download(dst);
- return result;
- }
-
- Rect buildMaps(Size src_size, const Mat &K, const Mat &R, gpu::GpuMat &xmap, gpu::GpuMat &ymap);
-
- Point warp(const gpu::GpuMat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode,
- gpu::GpuMat &dst);
-
-private:
- gpu::GpuMat d_xmap_, d_ymap_, d_src_, d_dst_;
-};
-
-
-struct SphericalPortraitProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-// Projects image onto unit sphere with origin at (0, 0, 0).
-// Poles are located NOT at (0, -1, 0) and (0, 1, 0) points, BUT at (1, 0, 0) and (-1, 0, 0) points.
-class CV_EXPORTS SphericalPortraitWarper : public RotationWarperBase<SphericalPortraitProjector>
-{
-public:
- SphericalPortraitWarper(float scale) { projector_.scale = scale; }
-
-protected:
- void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br);
-};
-
-struct CylindricalPortraitProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS CylindricalPortraitWarper : public RotationWarperBase<CylindricalPortraitProjector>
-{
-public:
- CylindricalPortraitWarper(float scale) { projector_.scale = scale; }
-
-protected:
- void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br)
- {
- RotationWarperBase<CylindricalPortraitProjector>::detectResultRoiByBorder(src_size, dst_tl, dst_br);
- }
-};
-
-struct PlanePortraitProjector : ProjectorBase
-{
- void mapForward(float x, float y, float &u, float &v);
- void mapBackward(float u, float v, float &x, float &y);
-};
-
-
-class CV_EXPORTS PlanePortraitWarper : public RotationWarperBase<PlanePortraitProjector>
-{
-public:
- PlanePortraitWarper(float scale) { projector_.scale = scale; }
-
-protected:
- void detectResultRoi(Size src_size, Point &dst_tl, Point &dst_br)
- {
- RotationWarperBase<PlanePortraitProjector>::detectResultRoiByBorder(src_size, dst_tl, dst_br);
- }
-};
-
-} // namespace detail
-} // namespace cv
-
-#include "warpers_inl.hpp"
-
-#endif // __OPENCV_STITCHING_WARPERS_HPP__