PerspectiveTransformation Class Reference

Perspective transformation coefficients. More...

#include <cvb/foundation/transform_2d.hpp>

Public Member Functions
	PerspectiveTransformation (Point2D< double > leftTop, Point2D< double > rightTop, Point2D< double > rightBottom, Point2D< double > leftBottom, Rect< int > destRect)
	Calculate the defining coefficients for the perspective transformation. More...
	PerspectiveTransformation (Point2D< double > leftTop, Point2D< double > rightTop, Point2D< double > rightBottom, Point2D< double > leftBottom, Rect< double > destRect)
	Calculate the defining coefficients for the perspective transformation. More...
double	C00 () const noexcept
	Get defining coefficient for the transformation. More...
double	C01 () const noexcept
	Get defining coefficient for the transformation. More...
double	C02 () const noexcept
	Get defining coefficient for the transformation. More...
double	C10 () const noexcept
	Get defining coefficient for the transformation. More...
double	C11 () const noexcept
	Get defining coefficient for the transformation. More...
double	C12 () const noexcept
	Get defining coefficient for the transformation. More...
double	C20 () const noexcept
	Get defining coefficient for the transformation. More...
double	C21 () const noexcept
	Get defining coefficient for the transformation. More...
double	C22 () const noexcept
	Get defining coefficient for the transformation. More...

Detailed Description

Perspective transformation coefficients.

Performed calculation is:

• X = (C00*X' + C01*Y' + C02) / (C20*X' + C21*Y' + C22)
• Y = (C10*X' + C11*Y' + C12) / (C20*X' + C21*Y' + C22)

Constructor & Destructor Documentation

PerspectiveTransformation() [1/2]

PerspectiveTransformation ( Point2D< double >  leftTop, Point2D< double >  rightTop, Point2D< double >  rightBottom, Point2D< double >  leftBottom, Rect< int >  destRect  )

inline

Calculate the defining coefficients for the perspective transformation.

Parameters

[in]	leftTop	Left top corner's coordinate in the source image.
[in]	rightTop	Right top corner's coordinate in the source image.
[in]	rightBottom	Right bottom corner's coordinate in the source image.
[in]	leftBottom	Left bottom corner's coordinate in the source image.
[in]	destRect	Rectangle containing the locations the input points are to be transformed to.

Exceptions

Any	exception derived from std::exception including CvbException.

PerspectiveTransformation() [2/2]

PerspectiveTransformation ( Point2D< double >  leftTop, Point2D< double >  rightTop, Point2D< double >  rightBottom, Point2D< double >  leftBottom, Rect< double >  destRect  )

inline

Calculate the defining coefficients for the perspective transformation.

Parameters

[in]	leftTop	Left top corner's coordinate in the source image.
[in]	rightTop	Right top corner's coordinate in the source image.
[in]	rightBottom	Right bottom corner's coordinate in the source image.
[in]	leftBottom	Left bottom corner's coordinate in the source image.
[in]	destRect	Rectangle containing the positions into which the input points are to be converted.

Exceptions

Any	exception derived from std::exception including CvbException.

Member Function Documentation

C00()

double C00 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C01()

double C01 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C02()

double C02 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C10()

double C10 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C11()

double C11 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C12()

double C12 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C20()

double C20 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C21()

double C21 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.

C22()

double C22 ( ) const

inlinenoexcept

Get defining coefficient for the transformation.

Returns

double The element.

Exceptions

Does	not throw any exception.