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MatConnectedComponentsWithStats Method (OutputArray, OutputArray, OutputArray, PixelConnectivity, MatType)
computes the connected components labeled image of boolean image. image with 4 or 8 way connectivity - returns N, the total number of labels [0, N-1] where 0 represents the background label. ltype specifies the output label image type, an important consideration based on the total number of labels or alternatively the total number of pixels in the source image.

Namespace:  OpenCvSharp
Assembly:  OpenCvSharp (in OpenCvSharp.dll) Version: 3.4.1.20180605-33-CaRLSharp
Syntax
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public int ConnectedComponentsWithStats(
	OutputArray labels,
	OutputArray stats,
	OutputArray centroids,
	PixelConnectivity connectivity,
	MatType ltype
)

Parameters

labels
Type: OpenCvSharpOutputArray
destination labeled image
stats
Type: OpenCvSharpOutputArray
statistics output for each label, including the background label, see below for available statistics. Statistics are accessed via stats(label, COLUMN) where COLUMN is one of cv::ConnectedComponentsTypes
centroids
Type: OpenCvSharpOutputArray
floating point centroid (x,y) output for each label, including the background label
connectivity
Type: OpenCvSharpPixelConnectivity
8 or 4 for 8-way or 4-way connectivity respectively
ltype
Type: OpenCvSharpMatType
output image label type. Currently CV_32S and CV_16U are supported.

Return Value

Type: Int32
See Also