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.World (in Emgu.CV.World.dll) Version: 4.1.1.3497 (4.1.1.3497)

Syntax

C++

Copy

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
)

member Laplace : 
        apertureSize : int -> Image<'TColor, float32>

Parameters

apertureSize: Type: SystemInt32
Aperture size

Return Value

Type: ImageTColor, Single
The Laplacian of the image

Reference

ImageTColor, TDepth Class

Emgu.CV Namespace

ImageAddLanguageSpecificTextSet("LSTD3CBEED0_0?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");TColor, TDepthAddLanguageSpecificTextSet("LSTD3CBEED0_1?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");AddLanguageSpecificTextSet("LSTD3CBEED0_2?cpp=::|nu=.");Laplace Method

Parameters

Return Value

Reference

ImageTColor, TDepthLaplace Method