Affine warper that uses rotations and translations. More...

#include <opencv2/stitching/detail/warpers.hpp>

Inheritance diagram for cv::detail::AffineWarper:

Public Member Functions
	AffineWarper (float scale=1.f)
	Construct an instance of the affine warper class.

Rect	buildMaps (Size src_size, InputArray K, InputArray H, OutputArray xmap, OutputArray ymap) CV_OVERRIDE
	Builds the projection maps according to the given camera data.

Point	warp (InputArray src, InputArray K, InputArray H, int interp_mode, int border_mode, OutputArray dst) CV_OVERRIDE
	Projects the image.

Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray H) CV_OVERRIDE
	Projects the image point.

Point2f	warpPointBackward (const Point2f &pt, InputArray K, InputArray H) CV_OVERRIDE
	Projects the image point backward.

Rect	warpRoi (Size src_size, InputArray K, InputArray H) CV_OVERRIDE

Public Member Functions inherited from cv::detail::PlaneWarper
	PlaneWarper (float scale=1.f)
	Construct an instance of the plane warper class.

virtual Rect	buildMaps (Size src_size, InputArray K, InputArray R, InputArray T, OutputArray xmap, OutputArray ymap)

Rect	buildMaps (Size src_size, InputArray K, InputArray R, OutputArray xmap, OutputArray ymap) CV_OVERRIDE
	Builds the projection maps according to the given camera data.

virtual Point	warp (InputArray src, InputArray K, InputArray R, InputArray T, int interp_mode, int border_mode, OutputArray dst)

Point	warp (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, OutputArray dst) CV_OVERRIDE
	Projects the image.

Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R) CV_OVERRIDE
	Projects the image point.

Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R, InputArray T)

Point2f	warpPointBackward (const Point2f &pt, InputArray K, InputArray R) CV_OVERRIDE
	Projects the image point backward.

Point2f	warpPointBackward (const Point2f &pt, InputArray K, InputArray R, InputArray T)

Rect	warpRoi (Size src_size, InputArray K, InputArray R) CV_OVERRIDE

Rect	warpRoi (Size src_size, InputArray K, InputArray R, InputArray T)

Public Member Functions inherited from cv::detail::RotationWarperBase< PlaneProjector >
Rect	buildMaps (Size src_size, InputArray K, InputArray R, OutputArray xmap, OutputArray ymap) CV_OVERRIDE
	Builds the projection maps according to the given camera data.

float	getScale () const CV_OVERRIDE

void	setScale (float val) CV_OVERRIDE

Point	warp (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, OutputArray dst) CV_OVERRIDE
	Projects the image.

void	warpBackward (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, Size dst_size, OutputArray dst) CV_OVERRIDE
	Projects the image backward.

Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R) CV_OVERRIDE
	Projects the image point.

Point2f	warpPointBackward (const Point2f &pt, InputArray K, InputArray R) CV_OVERRIDE
	Projects the image point backward.

Rect	warpRoi (Size src_size, InputArray K, InputArray R) CV_OVERRIDE

Public Member Functions inherited from cv::detail::RotationWarper
virtual	~RotationWarper ()

virtual Rect	buildMaps (Size src_size, InputArray K, InputArray R, OutputArray xmap, OutputArray ymap)=0
	Builds the projection maps according to the given camera data.

virtual float	getScale () const

virtual void	setScale (float)

virtual Point	warp (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, OutputArray dst)=0
	Projects the image.

virtual void	warpBackward (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, Size dst_size, OutputArray dst)=0
	Projects the image backward.

virtual Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R)=0
	Projects the image point.

virtual Point2f	warpPointBackward (const Point2f &pt, InputArray K, InputArray R)=0
	Projects the image point backward.

virtual Rect	warpRoi (Size src_size, InputArray K, InputArray R)=0

Protected Member Functions
void	getRTfromHomogeneous (InputArray H, Mat &R, Mat &T)
	Extracts rotation and translation matrices from matrix H representing affine transformation in homogeneous coordinates.

Protected Member Functions inherited from cv::detail::PlaneWarper
void	detectResultRoi (Size src_size, Point &dst_tl, Point &dst_br) CV_OVERRIDE

Protected Member Functions inherited from cv::detail::RotationWarperBase< PlaneProjector >
virtual void	detectResultRoi (Size src_size, Point &dst_tl, Point &dst_br)

void	detectResultRoiByBorder (Size src_size, Point &dst_tl, Point &dst_br)

Additional Inherited Members
Protected Attributes inherited from cv::detail::RotationWarperBase< PlaneProjector >
PlaneProjector	projector_

Detailed Description

Affine warper that uses rotations and translations.

Uses affine transformation in homogeneous coordinates to represent both rotation and translation in camera rotation matrix.

Constructor & Destructor Documentation

◆ AffineWarper()

cv::detail::AffineWarper::AffineWarper ( float scale = 1.f )

inline

Construct an instance of the affine warper class.

Parameters

scale Projected image scale multiplier

Member Function Documentation

◆ buildMaps()

Rect cv::detail::AffineWarper::buildMaps	(	Size	src_size,
		InputArray	K,
		InputArray	H,
		OutputArray	xmap,
		OutputArray	ymap
	)

virtual

Builds the projection maps according to the given camera data.

Parameters

src_size	Source image size
K	Camera intrinsic parameters
H	Camera extrinsic parameters
xmap	Projection map for the x axis
ymap	Projection map for the y axis

Returns: Projected image minimum bounding box

Reimplemented from cv::detail::PlaneWarper.

◆ getRTfromHomogeneous()

void cv::detail::AffineWarper::getRTfromHomogeneous	(	InputArray	H,
		Mat &	R,
		Mat &	T
	)

protected

Extracts rotation and translation matrices from matrix H representing affine transformation in homogeneous coordinates.

◆ warp()

Point cv::detail::AffineWarper::warp	(	InputArray	src,
		InputArray	K,
		InputArray	H,
		int	interp_mode,
		int	border_mode,
		OutputArray	dst
	)

virtual

Projects the image.

Parameters

src	Source image
K	Camera intrinsic parameters
H	Camera extrinsic parameters
interp_mode	Interpolation mode
border_mode	Border extrapolation mode
dst	Projected image

Returns: Project image top-left corner

Reimplemented from cv::detail::PlaneWarper.

◆ warpPoint()

Point2f cv::detail::AffineWarper::warpPoint	(	const Point2f &	pt,
		InputArray	K,
		InputArray	H
	)

virtual

Projects the image point.

Parameters

pt	Source point
K	Camera intrinsic parameters
H	Camera extrinsic parameters

Returns: Projected point

Reimplemented from cv::detail::PlaneWarper.

◆ warpPointBackward()

Point2f cv::detail::AffineWarper::warpPointBackward	(	const Point2f &	pt,
		InputArray	K,
		InputArray	H
	)

virtual

Projects the image point backward.

Parameters

pt	Projected point
K	Camera intrinsic parameters
H	Camera extrinsic parameters

Returns: Backward-projected point

Reimplemented from cv::detail::PlaneWarper.

◆ warpRoi()

Rect cv::detail::AffineWarper::warpRoi	(	Size	src_size,
		InputArray	K,
		InputArray	H
	)

virtual

Parameters

src_size	Source image bounding box
K	Camera intrinsic parameters
H	Camera extrinsic parameters

Returns: Projected image minimum bounding box

Reimplemented from cv::detail::PlaneWarper.

The documentation for this class was generated from the following file:

opencv2/stitching/detail/warpers.hpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ AffineWarper()

Member Function Documentation

◆ buildMaps()

◆ getRTfromHomogeneous()

◆ warp()

◆ warpPoint()

◆ warpPointBackward()

◆ warpRoi()