CogOCRMaxSegmenter.CharacterFragmentContrastThreshold Property

CogOCRMaxSegmenter CharacterFragmentContrastThreshold Property

Cognex VisionPro 9.5

The minimum amount of contrast (in normalized image grey levels) that a fragment must have, relative to the binarization threshold, in order to be considered for possible inclusion in a character. See the comments for ForegroundThresholdFrac() for the value of the binarization threshold.

Namespace: Cognex.VisionPro.OCRMax
Assembly: Cognex.VisionPro.OCRMax (in Cognex.VisionPro.OCRMax.dll) Version: 69.0.0.0

Syntax

C++

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public double CharacterFragmentContrastThreshold { get; set; }

public double CharacterFragmentContrastThreshold { get; set; }

Public Property CharacterFragmentContrastThreshold As Double 
	Get 
	Set

Public Property CharacterFragmentContrastThreshold As Double 
	Get 
	Set

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

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

Property Value

Type: Double
The CharacterFragmentContrastThreshold value. The default value is 30.

Events

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

Event Type

Reason

ICogChangedEvent Changed

Fires when this property changes.

The following state flag may be affected:

SfCharacterFragmentContrastThreshold

Exceptions

Exception	Condition
ArgumentOutOfRangeException	Thrown if set to a value less than 0 or greater than System::Int32::MaxValue

Remarks

Any character fragment with a contrast lower than this value is completely ignored for all further processing, as though that fragment had never been detected.

Stage: Fragment