CvInvokeGetPerspectiveTransform Method (PointF, PointF)

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calculates matrix of perspective transform such that: (t_i x'_i,t_i y'_i,t_i)^T=map_matrix (x_i,y_i,1)^T where dst(i)=(x'_i,y'_i), src(i)=(x_i,y_i), i=0..3.

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 4.1.1.3497 (4.1.1.3497)

Syntax

C++

Copy

public static Mat GetPerspectiveTransform(
	PointF[] src,
	PointF[] dest
)

Public Shared Function GetPerspectiveTransform ( 
	src As PointF(),
	dest As PointF()
) As Mat

public:
static Mat^ GetPerspectiveTransform(
	array<PointF>^ src, 
	array<PointF>^ dest
)

static member GetPerspectiveTransform : 
        src : PointF[] * 
        dest : PointF[] -> Mat

Parameters

src: Type: System.DrawingPointF
Coordinates of 4 quadrangle vertices in the source image
dest: Type: System.DrawingPointF
Coordinates of the 4 corresponding quadrangle vertices in the destination image

Return Value

Type: Mat
The 3x3 Homography matrix

Reference

CvInvoke Class

GetPerspectiveTransform Overload

Emgu.CV Namespace