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

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'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.

This method requires the Image Documents component to run.

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method
FxDespeckleMore Method
FxMedian Method