You are here: Start » AVL.NET » AVL.CheckPresence_EdgeAmount(AvlNet.Image, AvlNet.ShapeRegion, AvlNet.CoordinateSystem2D?, AvlNet.GradientMaskOperator, AvlNet.MagnitudeMeasure, int, int, float, float, bool)

AVL.CheckPresence_EdgeAmount(AvlNet.Image, AvlNet.ShapeRegion, AvlNet.CoordinateSystem2D?, AvlNet.GradientMaskOperator, AvlNet.MagnitudeMeasure, int, int, float, float, bool)

Verifies object presence by analysing the amount of edges in the specified region.

Namespace:AvlNet
Assembly:AVL.NET.dll

Syntax


public static void CheckPresence_EdgeAmount(
	AvlNet.Image inImage,
	AvlNet.ShapeRegion inRoi,
	AvlNet.CoordinateSystem2D? inRoiAlignment,
	AvlNet.GradientMaskOperator inEdgeOperator,
	AvlNet.MagnitudeMeasure inEdgeMeasure,
	int inEdgeScale,
	int inMinStrength,
	float inMinAmount,
	float inMaxAmount,
	out bool outIsPresent
)

Parameters

inImage
Type: AvlNet.Image
Input image
inRoi
Type: AvlNet.ShapeRegion
Location at which object presence is being checked
inRoiAlignment
Type: System.Nullable<AvlNet.CoordinateSystem2D>
Adjusts the region of interest to the position of the inspected object, or null.
inEdgeOperator
Type: AvlNet.GradientMaskOperator
Selected gradient operator
inEdgeMeasure
Type: AvlNet.MagnitudeMeasure
Selected method of gradient magnitude computation
inEdgeScale
Type: System.Int32
Scales the resulting gradient magnitudes
inMinStrength
Type: System.Int32
Lowest acceptable edge magnitude
inMinAmount
Type: System.Single
Lowest acceptable fraction of pixels meeting the criteria
inMaxAmount
Type: System.Single
Highest acceptable fraction of pixels meeting the criteria
outIsPresent
Type: System.Boolean
Flag indicating whether the object is present or not

See also