Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / FxBitonalDespeckle Method
GdPicture image identifier. Only 1 bit per pixel images with black and white palette are supported.
Option to make sure text in small documents was not affected. Only set to True if image DPI is less than 200. Otherwise, set to False.





In This Topic
    FxBitonalDespeckle Method (GdPictureImaging)
    In This Topic
    Performs a 3x3 despeckle filter on a GdPicture image or on an area of a GdPicture image defined by SetROI() method. It works as a noise removal filter, for Salt-And-Pepper like-noise, or varied dots around a document. It can remove black noise pixels from white backgrounds and visa versa.
    Syntax
    'Declaration
     
    
    Public Function FxBitonalDespeckle( _
       ByVal ImageID As Integer, _
       ByVal FixText As Boolean _
    ) As GdPictureStatus
    public GdPictureStatus FxBitonalDespeckle( 
       int ImageID,
       bool FixText
    )
    public function FxBitonalDespeckle( 
        ImageID: Integer;
        FixText: Boolean
    ): GdPictureStatus; 
    public function FxBitonalDespeckle( 
       ImageID : int,
       FixText : boolean
    ) : GdPictureStatus;
    public: GdPictureStatus FxBitonalDespeckle( 
       int ImageID,
       bool FixText
    ) 
    public:
    GdPictureStatus FxBitonalDespeckle( 
       int ImageID,
       bool FixText
    ) 

    Parameters

    ImageID
    GdPicture image identifier. Only 1 bit per pixel images with black and white palette are supported.
    FixText
    Option to make sure text in small documents was not affected. Only set to True if image DPI is less than 200. Otherwise, set to False.

    Return Value

    A member of the GdPictureStatus enumeration.
    Remarks
    This method is used in the C# "Document Clean Up" Demo.
    See Also