CvCalcArrHist Method (CvArr, CvHistogram) OpenCvSharp Class Library
Calculates the histogram of single-channel images. The elements of a tuple that is used to increment a histogram bin are taken at the same location from the corresponding input images.

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

public static void CalcArrHist(
	CvArr[] arr,
	CvHistogram hist
)

Parameters

arr
Type: OpenCvSharpCvArr
Source images (though, you may pass CvMat** as well), all are of the same size and type.
hist
Type: OpenCvSharpCvHistogram
Reference to the histogram.
See Also

Reference