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AVS.AvsFilter_FitCircleToStripe Method

Performs a series 1D stripe detections and finds a circle that best matches the detected points.

Namespace:AvlNet
Assembly:AVL.NET.dll

Syntax

public static void AvsFilter_FitCircleToStripe
(
	AvlNet.CircleFittingState ioState,
	AvlNet.Image inImage,
	AvlNet.CircleFittingField inFittingField,
	int inScanCount,
	int inScanWidth,
	AvlNet.InterpolationMethod inImageInterpolation,
	AvlNet.StripeScanParams inStripeScanParams,
	AvlNet.Selection inStripeSelection,
	float inMaxIncompleteness,
	AvlNet.CircleFittingMethod inFittingMethod,
	out AvlNet.Circle2D? outCircle,
	out AvlNet.Circle2D? outInnerCircle,
	out AvlNet.Circle2D? outOuterCircle,
	NullableRef<List<NullableRef<AvlNet.Stripe1D>>> outStripes,
	NullableRef<List<AvlNet.Point2D>> outStripePoints,
	NullableRef<NullableRef<AvlNet.Profile>> outDeviationProfile,
	NullableValue<AvlNet.CircleFittingField> outAlignedFittingField
)

Parameters

Name Type Range Default Description
ioStateAvlNet.CircleFittingState
inImageAvlNet.ImageImage to fit the circle to.
inFittingFieldAvlNet.CircleFittingFieldCircle fitting field.
inScanCountint<3, INF>10The number of points that will be searched to estimate the position of the circle. 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.
inStripeScanParamsAvlNet.StripeScanParamsStripeScanParams ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 0.6f MinMagnitude: 5.0f MaxInnerEdgeMagnitude: Nil StripePolarity: Dark MinStripeWidth: 0.0f MaxStripeWidth: Nil )Parameters controlling the stripe extraction process. Default value: StripeScanParams ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 0.6f MinMagnitude: 5.0f MaxInnerEdgeMagnitude: Nil StripePolarity: Dark MinStripeWidth: 0.0f MaxStripeWidth: Nil ).
inStripeSelectionAvlNet.SelectionSelection mode of stripe.
inMaxIncompletenessfloat<0.0f, 0.999f>0.1fMaximal fraction of stripe points not found. Default value: 0.1f.
inFittingMethodAvlNet.CircleFittingMethodAlgebraicTaubinMethod used to fit a circle. Default value: AlgebraicTaubin.
outCircleAvlNet.Circle2D?Fitted circle in the middle of found stripe.
outInnerCircleAvlNet.Circle2D?Fitted inner circle.
outOuterCircleAvlNet.Circle2D?Fitted outer circle.
outStripesAvlNet.NullableRef<System.Collections.Generic.List<AvlNet.NullableRef<AvlNet.Stripe1D>>>Found stripes. Can be null to skip this parameter calculation.
outStripePointsAvlNet.NullableRef<System.Collections.Generic.List<AvlNet.Point2D>>Extracted points of middle circle of an image stripe. Can be null to skip this parameter calculation.
outDeviationProfileAvlNet.NullableRef<AvlNet.NullableRef<AvlNet.Profile>>Profile of distances between the actual circle points and the corresponding reference circle points. Can be null to skip this parameter calculation.
outAlignedFittingFieldAvlNet.NullableValue<AvlNet.CircleFittingField>Fitting field used; in the image coordinate system. Can be null to skip this parameter calculation.

Function Overrides

See also