Most of OpenCV functions support 1,2,3 or 4 channels

Namespace: Emgu.CV.Structure
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 2.2.1.1150 (2.2.1.1150)

Syntax

         
 C#  Visual Basic  Visual C++ 
public int nChannels
Public nChannels As Integer
public:
int nChannels

See Also