OpenCV  4.1.2-dev
Open Source Computer Vision
Public Member Functions | Protected Member Functions | List of all members
cv::detail::AffineWarper Class Reference

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

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

Inheritance diagram for cv::detail::AffineWarper:
cv::detail::PlaneWarper cv::detail::RotationWarperBase< PlaneProjector > cv::detail::RotationWarper

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) CV_OVERRIDE
 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) CV_OVERRIDE
 Projects the image. More...
 
Point2f warpPoint (const Point2f &pt, InputArray K, InputArray R) CV_OVERRIDE
 Projects the image point. More...
 
Rect warpRoi (Size src_size, InputArray K, InputArray R) CV_OVERRIDE
 
- 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) CV_OVERRIDE
 Builds the projection maps according to the given camera data. More...
 
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. More...
 
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. More...
 
Point2f warpPoint (const Point2f &pt, InputArray K, InputArray R) CV_OVERRIDE
 Projects the image point. More...
 
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. More...
 
- 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
scaleProjected 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_sizeSource image size
KCamera intrinsic parameters
RCamera rotation matrix
xmapProjection map for the x axis
ymapProjection 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
srcSource image
KCamera intrinsic parameters
RCamera rotation matrix
interp_modeInterpolation mode
border_modeBorder extrapolation mode
dstProjected 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
ptSource point
KCamera intrinsic parameters
RCamera 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_sizeSource image bounding box
KCamera intrinsic parameters
RCamera rotation matrix
Returns
Projected image minimum bounding box

Reimplemented from cv::detail::PlaneWarper.


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