CIImage.CreateByApplyingGaussianBlur(Double) Method
Definition
Important
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Creates a new CIImage by applying a Gaussian blur with the provided sigma.
[Foundation.Export("imageByApplyingGaussianBlurWithSigma:")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 12, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual CoreImage.CIImage CreateByApplyingGaussianBlur (double sigma);abstract member CreateByApplyingGaussianBlur : double -> CoreImage.CIImage
override this.CreateByApplyingGaussianBlur : double -> CoreImage.CIImageParameters
- sigma
- Double
The standard deviation defining the 2D Gaussian.
Returns
- Attributes
Remarks
The 2D Gaussian is defined as:
Where zeta (z) is a vector holding the pixel coordinates and mu (μ) is a vector holding the mean of the Gaussian in either direction.
The sigma defines the rate of falloff of the Gaussian. Smaller sigma values blur over fewer pixels.