Core Optical, Inc.
CannyEdgeDetector SigmaX Property Industrial Strength, Scientific Grade
An OnlineInt32 type that gets/sets the current gaussian filter sigma value in the X direction.

Namespace: PrecisionImage.FeatureProcessing
Assembly: PrecisionImage (in PrecisionImage.dll) Version: (

public float SigmaX { get; set; }

Use this property in combination with the GaussianAutoSigma property to force a specific standard deviation for the gaussian filtering step. Altering this parameter only has an effect if the GaussianAutoSigma property is false. Otherwise, changes to this property are ignored and the standard deviation of the kernel is computed internally according to the assigned kernel radius such that the gaussian tapers to a near-zero value at the radial extent of the kernel.

Accessing this property when GaussianAutoSigma is true returns the current automatically generated X-direction sigma value. Accessing this property when GaussianAutoSigma is false returns the current user-specified X-direction sigma value. Assigning a value to this property affects only the user-defined sigma value, not the one used when GaussianAutoSigma is true.

See Also