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CvInvokeNorm Method (IInputArray, IInputOutputArray, NormType, IInputArray)
Returns the calculated norm. The multiple-channel array are treated as single-channel, that is, the results for all channels are combined.

Namespace:  Emgu.CV
Assembly:  Emgu.CV.World (in Emgu.CV.World.dll) Version: (
public static double Norm(
	IInputArray arr1,
	IInputOutputArray arr2,
	NormType normType = NormType.L2,
	IInputArray mask = null


Type: Emgu.CVIInputArray
The first source image
Type: Emgu.CVIInputOutputArray
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 (Optional)
Type: Emgu.CV.CvEnumNormType
Type of norm
mask (Optional)
Type: Emgu.CVIInputArray
The optional operation mask

Return Value

Type: Double
The calculated norm
See Also