cv::detail::AffineWarper Class Reference

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

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

Collaboration 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 ()

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 >
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

Implements cv::detail::RotationWarper.

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

Implements cv::detail::RotationWarper.

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

Implements cv::detail::RotationWarper.

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

Implements cv::detail::RotationWarper.

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

Implements cv::detail::RotationWarper.

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

• opencv2/stitching/detail/warpers.hpp