VintaSoft Twain .NET SDK 15.4: Documentation for .NET developer
Vintasoft.EsclImageScanning Namespace / EsclAcquiredImage Class / IsBlank(Single,Single) Method
Syntax Example Requirements SeeAlso
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IsBlank(Single,Single) Method (EsclAcquiredImage)
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Returns a value indicating whether this image is a blank image.
Syntax
'Declaration

Public Function IsBlank( _
ByVal maxNoiseLevel
Maximal possible value of noise in image in percents. Optimal value is 0.01 (%).
As Single, _
ByRef currentNoiseLevel
Current noise value in image. This value will be set after execution of the method.
As Single _
) As Boolean

Parameters

maxNoiseLevel
Maximal possible value of noise in image in percents. Optimal value is 0.01 (%).
currentNoiseLevel
Current noise value in image. This value will be set after execution of the method.

Return Value

true if image is a blank image; otherwise, false.
Example

Please see example here: EsclAcquiredImage.

Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5

See Also