cv::detail::AffineWarper Class Reference

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

#include "warpers.hpp"

Inheritance diagram for cv::detail::AffineWarper:

Public Member Functions
	AffineWarper (float scale=1.f)
	Construct an instance of the affine warper class. More...
Rect	buildMaps (Size src_size, InputArray K, InputArray R, OutputArray xmap, OutputArray ymap)
	Builds the projection maps according to the given camera data. More...
Point	warp (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, OutputArray dst)
	Projects the image. More...
Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R)
	Projects the image point. More...
Rect	warpRoi (Size src_size, InputArray K, InputArray R)
Public Member Functions inherited from cv::detail::PlaneWarper
	PlaneWarper (float scale=1.f)
	Construct an instance of the plane warper class. More...
virtual Rect	buildMaps (Size src_size, InputArray K, InputArray R, InputArray T, OutputArray xmap, OutputArray ymap)
virtual Point	warp (InputArray src, InputArray K, InputArray R, InputArray T, int interp_mode, int border_mode, OutputArray dst)
Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R, InputArray T)
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)
	Builds the projection maps according to the given camera data. More...
float	getScale () const
void	setScale (float val)
Point	warp (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, OutputArray dst)
	Projects the image. More...
void	warpBackward (InputArray src, InputArray K, InputArray R, int interp_mode, int border_mode, Size dst_size, OutputArray dst)
	Projects the image backward. More...
Point2f	warpPoint (const Point2f &pt, InputArray K, InputArray R)
	Projects the image point. More...
Rect	warpRoi (Size src_size, InputArray K, InputArray R)
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. More...
Protected Member Functions inherited from cv::detail::PlaneWarper
void	detectResultRoi (Size src_size, Point &dst_tl, Point &dst_br)
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

)

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  R, 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
R	Camera rotation matrix
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  R, int  interp_mode, int  border_mode, OutputArray  dst  )

virtual

Projects the image.

Parameters

src	Source image
K	Camera intrinsic parameters
R	Camera rotation matrix
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  R  )

virtual

Projects the image point.

Parameters

pt	Source point
K	Camera intrinsic parameters
R	Camera rotation matrix

Returns

Projected point

Reimplemented from cv::detail::PlaneWarper.

warpRoi()

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

virtual

Parameters

src_size	Source image bounding box
K	Camera intrinsic parameters
R	Camera rotation matrix

Returns

Projected image minimum bounding box

Reimplemented from cv::detail::PlaneWarper.

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

• stitching/include/opencv2/stitching/detail/warpers.hpp