Emgu CV Library Documentation
RunningAvg Method (img, alpha)
NamespacesEmgu.CVImage<(Of <(TColor, TDepth>)>)RunningAvg(Image<(Of <(TColor, TDepth>)>), Double)

www.emgu.com/wiki
Update Running Average. this = (1-alpha)*this + alpha*img
Declaration Syntax
C#Visual BasicVisual C++
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: 1.5.0.0 (1.5.0.0)