Emgu CV Library Documentation
Subtraction Operator
NamespacesEmgu.CVImage<(Of <(TColor, TDepth>)>)Subtraction(TColor, Image<(Of <(TColor, TDepth>)>))

www.emgu.com/wiki
Elementwise subtract another image from the current image
Declaration Syntax
C#Visual BasicVisual C++
public static Image<TColor, TDepth> operator -(
	TColor val,
	Image<TColor, TDepth> img1
)
Public Shared Operator - ( _
	val As TColor, _
	img1 As Image(Of TColor, TDepth) _
) As Image(Of TColor, TDepth)
public:
static Image<TColor, TDepth>^ operator -(
	TColor val, 
	Image<TColor, TDepth>^ img1
)
Parameters
val (TColor)
The color to be subtracted
img1 (Image<(Of <(TColor, TDepth>)>))
The image to be substracted
Return Value
- img1

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.5.0.0 (1.5.0.0)