www.emgu.com/wiki Elementwise subtract another image from the current image

Declaration Syntax
public Image<TColor, TDepth> Sub(
Image<TColor, TDepth> img2
)
Public Function Sub ( _
img2 As Image(Of TColor, TDepth) _
) As Image(Of TColor, TDepth)
public:
Image<TColor, TDepth>^ Sub(
Image<TColor, TDepth>^ img2
)

Parameters
- img2 (Image<(Of <(TColor, TDepth>)>))
- The second image to be subtraced from the current image

Return Value
The result of elementwise subtracting img2 from the current image
Assembly:
Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)