Emgu CV Library Documentation
Exp Method
NamespacesEmgu.CVImage<(Of <(TColor, TDepth>)>)Exp()()()

www.emgu.com/wiki
calculates exponent of every element of input array: dst(I)=exp(src(I)) Maximum relative error is ~7e-6. Currently, the function converts denormalized values to zeros on output.
Declaration Syntax
C#Visual BasicVisual C++
public Image<TColor, TDepth> Exp()
Public Function Exp As Image(Of TColor, TDepth)
public:
Image<TColor, TDepth>^ Exp()
Return Value
The exponent image

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)