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ImageTColor, TDepthCanny Method (Double, Double, Int32, Boolean)
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Find the edges on this image and marked them in the returned image.

Namespace: Emgu.CV
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 3.0.0.2161 (3.0.0.2161)
Syntax
public Image<Gray, byte> Canny(
	double thresh,
	double threshLinking,
	int apertureSize,
	bool l2Gradient
)

Parameters

thresh
Type: SystemDouble
The threshhold to find initial segments of strong edges
threshLinking
Type: SystemDouble
The threshold used for edge Linking
apertureSize
Type: SystemInt32
The aperture size, use 3 for default
l2Gradient
Type: SystemBoolean
a flag, indicating whether a more accurate norm should be used to calculate the image gradient magnitude ( L2gradient=true ), or whether the default norm is enough ( L2gradient=false ).

Return Value

Type: ImageGray, Byte
The edges found by the Canny edge detector
See Also