LowThreshold Property

Gets and sets a value that controls the background sensitivity.

Syntax

'Declaration
 
Public Property LowThreshold As Integer

'Usage
 
Dim instance As BinarizeOptions
Dim value As Integer
 
instance.LowThreshold = value
 
value = instance.LowThreshold

public int LowThreshold {get; set;}

public: __property int get_LowThreshold();
public: __property void set_LowThreshold( 
   int value
);

public:
property int LowThreshold {
   int get();
   void set (    int value);
}

Remarks

The default value is 170.

Valid values are 0 to 255.

Should generally be set as high as possible without exceeding the brightness of any part of the background.

Black noise appearing in the background can generally be eliminated by lowering the value of LowThreshold.

Too-thin letters and figures can generally be improved by raising the value of LowThreshold and/or HighThreshold.