Emgu CV Library Documentation
Update Method (image)
NamespacesEmgu.CVMotionHistoryUpdate(Image<(Of <(Gray, Byte>)>))

www.emgu.com/wiki
Update the motion history with the specific image and current timestamp
Declaration Syntax
C#Visual BasicVisual C++
public void Update(
	Image<Gray, byte> image
)
Public Sub Update ( _
	image As Image(Of Gray, Byte) _
)
public:
void Update(
	Image<Gray^, unsigned char>^ image
)
Parameters
image (Image<(Of <(Gray, Byte>)>))
The image to be added to history

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