Calculates weighted sum of input image and the accumulator acc so that acc becomes a running average of frame sequence: acc(x,y)=(1-alpha) * acc(x,y) + alpha * image(x,y) if mask(x,y)!=0 where alpha regulates update speed (how fast accumulator forgets about previous frames).

public static void cvRunningAvg(
	IntPtr image,
	IntPtr acc,
	double alpha,
	IntPtr mask
)

Public Shared Sub cvRunningAvg ( _
	image As IntPtr, _
	acc As IntPtr, _
	alpha As Double, _
	mask As IntPtr _
)

public:
static void cvRunningAvg(
	IntPtr image, 
	IntPtr acc, 
	double alpha, 
	IntPtr mask
)