Click or drag to resize

MatConnectedComponents Method (OutputArray, PixelConnectivity)

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: 1.0.0
Syntax
public int ConnectedComponents(
	OutputArray labels,
	PixelConnectivity connectivity = PixelConnectivity.Connectivity8
)

Parameters

labels
Type: OpenCvSharpOutputArray
destination labeled image
connectivity (Optional)
Type: OpenCvSharpPixelConnectivity
8 or 4 for 8-way or 4-way connectivity respectively

Return Value

Type: Int32
The number of labels
See Also