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CvInvokeFilter2D Method
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Applies arbitrary linear filter to the image. In-place operation is supported. When the aperture is partially outside the image, the function interpolates outlier pixel values from the nearest pixels that is inside the image

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.1.0.2282 (3.1.0.2282)
Syntax
public static void Filter2D(
	IInputArray src,
	IOutputArray dst,
	IInputArray kernel,
	Point anchor,
	double delta = 0,
	BorderType borderType = BorderType.Reflect101
)

Parameters

src
Type: Emgu.CVIInputArray
The source image
dst
Type: Emgu.CVIOutputArray
The destination image
kernel
Type: Emgu.CVIInputArray
Convolution kernel, single-channel floating point matrix. If you want to apply different kernels to different channels, split the image using cvSplit into separate color planes and process them individually
anchor
Type: System.DrawingPoint
The anchor of the kernel that indicates the relative position of a filtered point within the kernel. The anchor shoud lie within the kernel. The special default value (-1,-1) means that it is at the kernel center
delta (Optional)
Type: SystemDouble
The optional value added to the filtered pixels before storing them in dst
borderType (Optional)
Type: Emgu.CV.CvEnumBorderType
The pixel extrapolation method.
See Also