cvGetPerspectiveTransform Method (src, dst, mapMatrix)

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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.

Declaration Syntax

Visual Basic

Visual C++

public static IntPtr cvGetPerspectiveTransform(
	IntPtr src,
	IntPtr dst,
	IntPtr mapMatrix
)

Public Shared Function cvGetPerspectiveTransform ( _
	src As IntPtr, _
	dst As IntPtr, _
	mapMatrix As IntPtr _
) As IntPtr

public:
static IntPtr cvGetPerspectiveTransform(
	IntPtr src, 
	IntPtr dst, 
	IntPtr mapMatrix
)

Parameters

src (IntPtr): Coordinates of 4 quadrangle vertices in the source image

dst (IntPtr): Coordinates of the 4 corresponding quadrangle vertices in the destination image

mapMatrix (IntPtr): Pointer to the destination 3? matrix

Return Value

Pointer to the perspective transform matrix

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.5.0.0 (1.5.0.0)