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Invoke.DetectRidges_AsPaths

Extracts subpixel-precise paths that represent bright or dark thin lines.

Namespace:Fil
Assembly:FilNet.dll

Syntax

C++
C#
 
public static void DetectRidges_AsPaths
(
	Fil.Image inImage,
	Optional<Fil.Region> inRoi,
	float inStdDevX,
	Optional<float> inStdDevY,
	float inRidgeThreshold,
	float inRidgeHysteresis,
	Fil.Polarity inPolarity,
	List<Fil.Path> outRidges
)

Parameters

Name Type Range Default Description
inImageFil.ImageInput image.
inRoiFtl.Optional<Fil.Region>Region of interest. Default value: ftl::NIL.
inStdDevXfloat<0.0f, INF>3.0fSmoothing standard deviation (horizontal). Default value: 3.0f.
inStdDevYFtl.Optional<float><0.0f, INF>Smoothing standard deviation (vertical, or Auto = horizontal). Default value: ftl::NIL.
inRidgeThresholdfloat<0.0f, INF>5.0fSufficient ridge strength; ridges of that strength will always be detected. Default value: 5.0f.
inRidgeHysteresisfloat<0.0f, INF>4.0fValue by which the ridge threshold is decreased for ridge points neighboring with sufficiently strong edges. Default value: 4.0f.
inPolarityFil.Polarity
outRidgesSystem.Collections.Generic.List<Fil.Path>

See also