Emgu CV Library Documentation
cvNorm Method (arr1, arr2, normType, mask)
NamespacesEmgu.CVCvInvokecvNorm(IntPtr, IntPtr, NORM_TYPE, IntPtr)

www.emgu.com/wiki
Returns the calculated norm. The multiple-channel array are treated as single-channel, that is, the results for all channels are combined.
Declaration Syntax
C#Visual BasicVisual C++
public static double cvNorm(
	IntPtr arr1,
	IntPtr arr2,
	NORM_TYPE normType,
	IntPtr mask
)
Public Shared Function cvNorm ( _
	arr1 As IntPtr, _
	arr2 As IntPtr, _
	normType As NORM_TYPE, _
	mask As IntPtr _
) As Double
public:
static double cvNorm(
	IntPtr arr1, 
	IntPtr arr2, 
	NORM_TYPE normType, 
	IntPtr mask
)
Parameters
arr1 (IntPtr)
The first source image
arr2 (IntPtr)
The second source image. If it is NULL, the absolute norm of arr1 is calculated, otherwise absolute or relative norm of arr1-arr2 is calculated
normType (NORM_TYPE)
Type of norm
mask (IntPtr)
The optional operation mask
Return Value
The calculated norm

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