Method Filter2D

Namespace

OpenCvSharp

Assembly

OpenCvSharp.dll

Filter2D(InputArray, OutputArray, MatType, InputArray, Point?, double, BorderTypes)

Convolves an image with the kernel

public static void Filter2D(InputArray src, OutputArray dst, MatType ddepth, InputArray kernel, Point? anchor = null, double delta = 0, BorderTypes borderType = BorderTypes.Default)

Parameters

src InputArray

The source image

dst OutputArray

The destination image. It will have the same size and the same number of channels as src

ddepth MatType

The desired depth of the destination image. If it is negative, it will be the same as src.depth()

kernel InputArray

Convolution kernel (or rather a correlation kernel), a single-channel floating point matrix. If you want to apply different kernels to different channels, split the image into separate color planes using split() and process them individually

anchor Point?

The anchor of the kernel that indicates the relative position of a filtered point within the kernel. The anchor should lie within the kernel. The special default value (-1,-1) means that the anchor is at the kernel center

delta double

The optional value added to the filtered pixels before storing them in dst

borderType BorderTypes

The pixel extrapolation method

Filter2D(InputArray, OutputArray, InputArray, Filter2DParams?)

Convolves an image with the kernel (OpenCV 5 parameter-struct overload).

public static void Filter2D(InputArray src, OutputArray dst, InputArray kernel, Filter2DParams? @params = null)

Parameters

src InputArray

input image.

dst OutputArray

output image of the same size and the same number of channels as src.

kernel InputArray

convolution kernel (or rather a correlation kernel), a single-channel floating point matrix.

params Filter2DParams

filtering parameters (anchor, border, depth, scale, shift). Null uses the defaults.