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.CV
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 2.2.1.1150 (2.2.1.1150)

Syntax

         
 C#  Visual Basic  Visual C++ 
public Image<TColor, float> Laplace(
	int apertureSize
)
Public Function Laplace ( _
	apertureSize As Integer _
) As Image(Of TColor, Single)
public:
Image<TColor, float>^ Laplace(
	int apertureSize
)

Parameters

apertureSize
Int32
Aperture size

Return Value

The Laplacian of the image

See Also