Emgu CV Library Documentation
GenerateHistograms Method (image, numberOfBins)
NamespacesEmgu.CV.UIHistogramCtrlGenerateHistograms(IImage, Int32)

www.emgu.com/wiki
Generate histograms for the image. One histogram is generated for each color channel. You will need to call the Refresh function to do the painting afterward.
Declaration Syntax
C#Visual BasicVisual C++
public void GenerateHistograms(
	IImage image,
	int numberOfBins
)
Public Sub GenerateHistograms ( _
	image As IImage, _
	numberOfBins As Integer _
)
public:
void GenerateHistograms(
	IImage^ image, 
	int numberOfBins
)
Parameters
image (IImage)
The image to retrieve histogram from
numberOfBins (Int32)
The number of bins for each histogram

Assembly: Emgu.CV.UI (Module: Emgu.CV.UI) Version: 1.0.0.0 (1.0.0.0)