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Invoke.DetectMultipleCircles

Finds circles of a given radius in the input image using Hough Transform.

Namespace:Fil
Assembly:FilNet.dll

Syntax

C++
C#
 
public static void DetectMultipleCircles
(
	Fil.Image inImage,
	Optional<Fil.Region> inRoi,
	float inRadius,
	float inMaxOverlap,
	float inMinScore,
	float inEdgeThreshold,
	List<Fil.HoughCircle> outCircles,
	Diagnostic<Fil.Image> diagGradientMagnitudeImage,
	Diagnostic<Fil.Image> diagScoreImage
)

Parameters

Name Type Range Default Description
inImageFil.ImageInput image.
inRoiFtl.Optional<Fil.Region>Input region of interest. Default value: ftl::NIL.
inRadiusfloat<0.0f, INF>10.0fCircles' radius. Default value: 10.0f.
inMaxOverlapfloat<0.0f, 1.0f>0.1fMaximum accepted overlapping coefficient. Default value: 0.1f.
inMinScorefloat<0.0f, INF>20.0fMinimum matching score. Default value: 20.0f.
inEdgeThresholdfloat10.0fMinimum accepted edge magnitude. Default value: 10.0f.
outCirclesSystem.Collections.Generic.List<Fil.HoughCircle>Found circles.
diagGradientMagnitudeImageFil.Diagnostic<Fil.Image>Visualized gradients magnitude of an input image.
diagScoreImageFil.Diagnostic<Fil.Image>Calculated score for each pixel of an input image.

See also