Class cv::detail::AffineWarper#

Affine warper that uses rotations and translations. View details

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

Collaboration diagram for cv::detail::AffineWarper:

cv::detail::AffineWarper Node1 cv::detail::AffineWarper   + AffineWarper() + buildMaps() + warp() + warpPoint() + warpPointBackward() + warpRoi() # getRTfromHomogeneous() Node2 cv::detail::PlaneWarper   + PlaneWarper() + buildMaps() + buildMaps() + warp() + warp() + warpPoint() + warpPoint() + warpPointBackward() + warpPointBackward() + warpRoi() + warpRoi() # detectResultRoi() Node2->Node1 Node3 cv::detail::RotationWarper Base< PlaneProjector >   + buildMaps() + getScale() + setScale() + warp() + warpBackward() + warpPoint() + warpPointBackward() + warpRoi() # detectResultRoi() # detectResultRoiByBorder() Node3->Node2 Node4 cv::detail::RotationWarper   + ~RotationWarper() + buildMaps() + getScale() + setScale() + warp() + warpBackward() + warpPoint() + warpPointBackward() + warpRoi() Node4->Node3 Node8 cv::detail::RotationWarper Base< P >   + buildMaps() + getScale() + setScale() + warp() + warpBackward() + warpPoint() + warpPointBackward() + warpRoi() # detectResultRoi() # detectResultRoiByBorder() Node4->Node8 Node5 cv::detail::PlaneProjector   + mapBackward() + mapForward() Node5->Node3 #projector_ Node6 cv::detail::ProjectorBase   + setCameraParams() Node6->Node5 Node7 float     Node7->Node6 +k +k_rinv +r_kinv +rinv +scale +t Node8->Node3 < PlaneProjector > Node9 P     Node9->Node8 #projector_

cv::detail::AffineWarper Node1 cv::detail::AffineWarper   + AffineWarper() + buildMaps() + warp() + warpPoint() + warpPointBackward() + warpRoi() # getRTfromHomogeneous() Node2 cv::detail::PlaneWarper   + PlaneWarper() + buildMaps() + buildMaps() + warp() + warp() + warpPoint() + warpPoint() + warpPointBackward() + warpPointBackward() + warpRoi() + warpRoi() # detectResultRoi() Node2->Node1 Node3 cv::detail::RotationWarper Base< PlaneProjector >   + buildMaps() + getScale() + setScale() + warp() + warpBackward() + warpPoint() + warpPointBackward() + warpRoi() # detectResultRoi() # detectResultRoiByBorder() Node3->Node2 Node4 cv::detail::RotationWarper   + ~RotationWarper() + buildMaps() + getScale() + setScale() + warp() + warpBackward() + warpPoint() + warpPointBackward() + warpRoi() Node4->Node3 Node8 cv::detail::RotationWarper Base< P >   + buildMaps() + getScale() + setScale() + warp() + warpBackward() + warpPoint() + warpPointBackward() + warpRoi() # detectResultRoi() # detectResultRoiByBorder() Node4->Node8 Node5 cv::detail::PlaneProjector   + mapBackward() + mapForward() Node5->Node3 #projector_ Node6 cv::detail::ProjectorBase   + setCameraParams() Node6->Node5 Node7 float     Node7->Node6 +k +k_rinv +r_kinv +rinv +scale +t Node8->Node3 < PlaneProjector > Node9 P     Node9->Node8 #projector_

Public Member Functions#

Public Member Functions inherited from cv::detail::PlaneWarper

Return

Name

Description

PlaneWarper(float scale = 1.f)

Construct an instance of the plane warper class.

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 )

Builds the projection maps according to the given camera data.

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 )

Projects the image.

Point2f

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

Projects the image point.

Point2f

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

Point2f

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

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 )

Rect

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

Public Member Functions inherited from cv::detail::RotationWarperBase

Return

Name

Description

Rect

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

Builds the projection maps according to the given camera data.

float

getScale()

void

setScale(float val)

Point

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

Projects the image.

void

warpBackward(
    InputArray src,
    InputArray K,
    InputArray R,
    int interp_mode,
    int border_mode,
    Size dst_size,
    OutputArray dst )

Projects the image backward.

Point2f

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

Projects the image point.

Point2f

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

Projects the image point backward.

Rect

warpRoi(
    Size src_size,
    InputArray K,
    InputArray R )

Public Member Functions inherited from cv::detail::RotationWarper

Return

Name

Description

~RotationWarper()

Rect

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

Builds the projection maps according to the given camera data.

float

getScale()

void

setScale(float)

Point

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

Projects the image.

void

warpBackward(
    InputArray src,
    InputArray K,
    InputArray R,
    int interp_mode,
    int border_mode,
    Size dst_size,
    OutputArray dst )

Projects the image backward.

Point2f

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

Projects the image point.

Point2f

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

Projects the image point backward.

Rect

warpRoi(
    Size src_size,
    InputArray K,
    InputArray R )

Additional Inherited Members#

Protected Member Functions inherited from cv::detail::PlaneWarper

Return

Name

Description

void

detectResultRoi(
    Size src_size,
    Point & dst_tl,
    Point & dst_br )

Protected Member Functions inherited from cv::detail::RotationWarperBase

Return

Name

Description

void

detectResultRoi(
    Size src_size,
    Point & dst_tl,
    Point & dst_br )

void

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

Protected Attributes inherited from cv::detail::RotationWarperBase

Return

Name

Description

P

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.

Examples
samples/cpp/stitching_detailed.cpp.

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 H,
OutputArray xmap,
OutputArray ymap )

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

warp()#

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

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

warpPoint()#

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

Projects the image point.

Parameters

  • pt — Source point

  • K — Camera intrinsic parameters

  • H — Camera extrinsic parameters

Returns

Projected point

warpPointBackward()#

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

Projects the image point backward.

Parameters

  • pt — Projected point

  • K — Camera intrinsic parameters

  • H — Camera extrinsic parameters

Returns

Backward-projected point

warpRoi()#

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

Parameters

  • src_size — Source image bounding box

  • K — Camera intrinsic parameters

  • H — Camera extrinsic parameters

Returns

Projected image minimum bounding box

getRTfromHomogeneous()#

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

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

Source file#

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