Returns the number of non-zero elements in arr: result = sumI arr(I)!=0 In case of IplImage both ROI and COI are supported.

Namespace:  Emgu.CV
Assembly:  Emgu.CV (in Emgu.CV.dll) Version: 2.1.0.649 (2.1.0.649)

Syntax

         
 C#  Visual Basic  Visual C++ 
public static int cvCountNonZero(
	IntPtr arr
)
Public Shared Function cvCountNonZero ( _
	arr As IntPtr _
) As Integer
public:
static int cvCountNonZero(
	IntPtr arr
)

Parameters

arr
IntPtr
The image

Return Value

the number of non-zero elements in image

See Also