CogShapeExtract.ContrastThreshold Property

CogShapeExtract ContrastThreshold Property

Cognex VisionPro 9.8 SR1

The minimum absolute contrast difference used when extracting raw edge data from the input image. Edges with a contrast difference that is less than or equal to this threshold are ignored.

Namespace: Cognex.VisionPro
Assembly: Cognex.VisionPro.Core (in Cognex.VisionPro.Core.dll) Version: 75.0.0.0

Syntax

C++

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public double ContrastThreshold { get; set; }

public double ContrastThreshold { get; set; }

Public Property ContrastThreshold As Double 
	Get 
	Set

Public Property ContrastThreshold As Double 
	Get 
	Set

public:
property double ContrastThreshold {
	double get ();
	void set (double value);
}

public:
property double ContrastThreshold {
	double get ();
	void set (double value);
}

Property Value

Type: Double

Events

Event Type	Reason
CogShapeExtract Changed	Fires when this property changes. The following state flag may be affected:

Event Type

Reason

CogShapeExtract Changed

Fires when this property changes.

The following state flag may be affected:

Exceptions

Exception	Condition
ArgumentException	The supplied value is less than 0.

Remarks

The minimum absolute contrast difference used when extracting raw edge data from the input image. Edges with a contrast difference that is less than or equal to this threshold are ignored.

Default Value: 20.0