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Invoke.ScanMultipleEdges

Locates multiple transitions between dark and bright pixels along a given path.

Namespace:Avl
Assembly:AvlNet.dll

Syntax

C++
C#
 
public static void ScanMultipleEdges
(
	Avl.Image inImage,
	Avl.ScanMap inScanMap,
	Avl.EdgeScanParams inEdgeScanParams,
	float inMinDistance,
	Optional<float> inMaxDistance,
	Optional<Avl.LocalBlindness> inLocalBlindness,
	List<Avl.Edge1D> outEdges,
	List<Avl.Gap1D> outGaps,
	Optional<Avl.Profile> outBrightnessProfile,
	Optional<Avl.Profile> outResponseProfile
)

Parameters

Name Type Range Default Description
inImageAvl.ImageInput image.
inScanMapAvl.ScanMapData precomputed with CreateScanMap.
inEdgeScanParamsAvl.EdgeScanParamsEdgeScanParams ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 0.6f MinMagnitude: 5.0f EdgeTransition: BrightToDark )Parameters controlling the edge extraction process. Default value: EdgeScanParams ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 0.6f MinMagnitude: 5.0f EdgeTransition: BrightToDark ).
inMinDistancefloat<0.0f, INF>0.0fMinimal distance between consecutive edges. Default value: 0.0f.
inMaxDistanceAtl.Optional<float><0.0f, INF>Maximal distance between consecutive edges. Default value: atl::NIL.
inLocalBlindnessAtl.Optional<Avl.LocalBlindness>Defines conditions in which weaker edges can be detected in the vicinity of stronger edges. Default value: atl::NIL.
outEdgesSystem.Collections.Generic.List<Avl.Edge1D>Found edges.
outGapsSystem.Collections.Generic.List<Avl.Gap1D>Gaps between consecutive edges.
outBrightnessProfileAtl.Optional<Avl.Profile>Extracted image profile.
outResponseProfileAtl.Optional<Avl.Profile>Profile of the edge (derivative) operator response.

See also