www.emgu.com/wiki
Update Running Average. this = (1-alpha)*this + alpha*img

Declaration Syntax
public void RunningAvg(
Image<TColor, TDepth> img,
double alpha
)
Public Sub RunningAvg ( _
img As Image(Of TColor, TDepth), _
alpha As Double _
)
public:
void RunningAvg(
Image<TColor, TDepth>^ img,
double alpha
)

Parameters
- img (Image<(Of <(TColor, TDepth>)>))
- Input image, 1- or 3-channel, Byte or Single (each channel of multi-channel image is processed independently).
- alpha (Double)
- the weight of img
Assembly:
Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)