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AVS.AvsFilter_FitArcToEdges Method

Performs a series of 1D edge detections and finds an arc that best matches the detected points.

Namespace:AvlNet
Assembly:AVL.NET.dll

Syntax

public static void AvsFilter_FitArcToEdges
(
	AvlNet.ArcFittingState ioState,
	AvlNet.Image inImage,
	AvlNet.ArcFittingField inFittingField,
	int inScanCount,
	int inScanWidth,
	AvlNet.InterpolationMethod inImageInterpolation,
	AvlNet.EdgeScanParams inEdgeScanParams,
	AvlNet.Selection inEdgeSelection,
	float inMaxIncompleteness,
	AvlNet.CircleFittingMethod inFittingMethod,
	out AvlNet.Arc2D? outArc,
	IList<AvlNet.Segment2D> diagScanSegments,
	IList<AvlNet.Rectangle2D> diagSamplingAreas,
	IList<AvlNet.Profile> diagBrightnessProfiles,
	IList<AvlNet.Profile> diagResponseProfiles
)

Parameters

Name Type Range Default Description
ioStateAvlNet.ArcFittingState
inImageAvlNet.ImageInput image to fit arc to.
inFittingFieldAvlNet.ArcFittingFieldArc fitting field.
inScanCountint<3, INF>10The number of points that will be searched to estimate the position of the arc. Default value: 10.
inScanWidthint<1, INF>5The width of each scan field (in pixels). Default value: 5.
inImageInterpolationAvlNet.InterpolationMethodBilinearInterpolation method used for extraction of image pixel values. Default value: Bilinear.
inEdgeScanParamsAvlNet.EdgeScanParamsEdgeScanParams ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 1.0f MinMagnitude: 5.0f EdgeTransition: BrightToDark )Parameters controlling the edge extraction process. Default value: EdgeScanParams ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 1.0f MinMagnitude: 5.0f EdgeTransition: BrightToDark ).
inEdgeSelectionAvlNet.SelectionSelection mode of edges.
inMaxIncompletenessfloat<0.0f, 0.999f>0.1fMaximal fraction of edge points not found. Default value: 0.1f.
inFittingMethodAvlNet.CircleFittingMethodAlgebraicTaubinMethod used to fit an arc. Default value: AlgebraicTaubin.
outArcAvlNet.Arc2D?Fitted arc or nothing if the fitting fails.
diagScanSegmentsSystem.Collections.Generic.IList<AvlNet.Segment2D>Segments along which the scans were run.
diagSamplingAreasSystem.Collections.Generic.IList<AvlNet.Rectangle2D>Areas from which the input image is sampled.
diagBrightnessProfilesSystem.Collections.Generic.IList<AvlNet.Profile>Extracted image profiles.
diagResponseProfilesSystem.Collections.Generic.IList<AvlNet.Profile>Profiles of the edge (derivative) operator response.

Function Overrides

See also