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Calculates Laplacian of the source image by summing second x- and y- derivatives calculated using Sobel operator.
Specifying aperture_size=1 gives the fastest variant that is equal to convolving the image with the following kernel:
|0 1 0|
|1 -4 1|
|0 1 0|
Namespace: Emgu.CVAssembly: Emgu.CV (in Emgu.CV.dll) Version: 2.3.0.1416 (2.3.0.1416)
Syntax
Visual Basic |
---|
Public Function Laplace ( _
apertureSize As Integer _
) As Image(Of TColor, Single) |
Visual C++ |
---|
public:
Image<TColor, float>^ Laplace(
int apertureSize
) |
Return Value
The Laplacian of the image
See Also