CvRunningAvg Method (CvArr, CvArr, Double, CvArr) OpenCvSharp Class Library
Calculates weighted sum of input image image and the accumulator acc so that acc becomes a running average of frame sequence: acc(x,y)=(1-α)•acc(x,y) + α•image(x,y) if mask(x,y)!=null

Namespace:  OpenCvSharp
Assembly:  OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax

public static void RunningAvg(
	CvArr image,
	CvArr acc,
	double alpha,
	CvArr mask
)

Parameters

image
Type: OpenCvSharpCvArr
Input image, 1- or 3-channel, 8-bit or 32-bit floating point (each channel of multi-channel image is processed independently).
acc
Type: OpenCvSharpCvArr
Accumulator of the same number of channels as input image, 32-bit or 64-bit floating-point.
alpha
Type: SystemDouble
Weight of input image.
mask
Type: OpenCvSharpCvArr
Optional operation mask.
See Also

Reference