OpenCV 5.0.0-pre
Open Source Computer Vision
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cv::ShapeTransformer Class Referenceabstract

Abstract base class for shape transformation algorithms. More...

#include <opencv2/shape/shape_transformer.hpp>

Collaboration diagram for cv::ShapeTransformer:

Public Member Functions

virtual float applyTransformation (InputArray input, OutputArray output=noArray())=0
 Apply a transformation, given a pre-estimated transformation parameters.
 
virtual void estimateTransformation (InputArray transformingShape, InputArray targetShape, std::vector< DMatch > &matches)=0
 Estimate the transformation parameters of the current transformer algorithm, based on point matches.
 
virtual void warpImage (InputArray transformingImage, OutputArray output, int flags=INTER_LINEAR, int borderMode=BORDER_CONSTANT, const Scalar &borderValue=Scalar()) const =0
 Apply a transformation, given a pre-estimated transformation parameters, to an Image.
 
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
 
virtual ~Algorithm ()
 
virtual void clear ()
 Clears the algorithm state.
 
virtual bool empty () const
 Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read.
 
virtual String getDefaultName () const
 
virtual void read (const FileNode &fn)
 Reads algorithm parameters from a file storage.
 
virtual void save (const String &filename) const
 
virtual void write (FileStorage &fs) const
 Stores algorithm parameters in a file storage.
 
void write (FileStorage &fs, const String &name) const
 

Additional Inherited Members

- Static Public Member Functions inherited from cv::Algorithm
template<typename _Tp >
static Ptr< _Tpload (const String &filename, const String &objname=String())
 Loads algorithm from the file.
 
template<typename _Tp >
static Ptr< _TploadFromString (const String &strModel, const String &objname=String())
 Loads algorithm from a String.
 
template<typename _Tp >
static Ptr< _Tpread (const FileNode &fn)
 Reads algorithm from the file node.
 
- Protected Member Functions inherited from cv::Algorithm
void writeFormat (FileStorage &fs) const
 

Detailed Description

Abstract base class for shape transformation algorithms.

Member Function Documentation

◆ applyTransformation()

virtual float cv::ShapeTransformer::applyTransformation ( InputArray input,
OutputArray output = noArray() )
pure virtual
Python:
cv.ShapeTransformer.applyTransformation(input[, output]) -> retval, output

Apply a transformation, given a pre-estimated transformation parameters.

Parameters
inputContour (set of points) to apply the transformation.
outputOutput contour.
Here is the call graph for this function:

◆ estimateTransformation()

virtual void cv::ShapeTransformer::estimateTransformation ( InputArray transformingShape,
InputArray targetShape,
std::vector< DMatch > & matches )
pure virtual
Python:
cv.ShapeTransformer.estimateTransformation(transformingShape, targetShape, matches) -> None

Estimate the transformation parameters of the current transformer algorithm, based on point matches.

Parameters
transformingShapeContour defining first shape.
targetShapeContour defining second shape (Target).
matchesStandard vector of Matches between points.

◆ warpImage()

virtual void cv::ShapeTransformer::warpImage ( InputArray transformingImage,
OutputArray output,
int flags = INTER_LINEAR,
int borderMode = BORDER_CONSTANT,
const Scalar & borderValue = Scalar() ) const
pure virtual
Python:
cv.ShapeTransformer.warpImage(transformingImage[, output[, flags[, borderMode[, borderValue]]]]) -> output

Apply a transformation, given a pre-estimated transformation parameters, to an Image.

Parameters
transformingImageInput image.
outputOutput image.
flagsImage interpolation method.
borderModeborder style.
borderValueborder value.

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