Description
Gets and sets a value that controls the background sensitivity.
Property type
Read-write property
Syntax
| Visual Basic |
|---|
Public Property lowThreshold() As Long |
Return Type
A long value which represents the low threshold 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.