Emgu CV Library Documentation
cvFindHomography Method (src_points, dst_points, homography)
NamespacesEmgu.CVCvInvokecvFindHomography(IntPtr, IntPtr, IntPtr)

www.emgu.com/wiki
Finds perspective transformation H=||hij|| between the source and the destination planes
Declaration Syntax
C#Visual BasicVisual C++
public static void cvFindHomography(
	IntPtr src_points,
	IntPtr dst_points,
	IntPtr homography
)
Public Shared Sub cvFindHomography ( _
	src_points As IntPtr, _
	dst_points As IntPtr, _
	homography As IntPtr _
)
public:
static void cvFindHomography(
	IntPtr src_points, 
	IntPtr dst_points, 
	IntPtr homography
)
Parameters
src_points (IntPtr)
Point coordinates in the original plane, 2xN, Nx2, 3xN or Nx3 array (the latter two are for representation in homogenious coordinates), where N is the number of points.
dst_points (IntPtr)
Point coordinates in the destination plane, 2xN, Nx2, 3xN or Nx3 array (the latter two are for representation in homogenious coordinates)
homography (IntPtr)
Output 3x3 homography matrix.

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)