Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / FxDespeckle Method
GdPicture image identifier.
Example





In This Topic
    FxDespeckle Method (GdPictureImaging)
    In This Topic
    Performs a 3x3 despeckle filter (also known as median 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. It also can remove random noise from multicolored backgrounds.
    Syntax
    'Declaration
     
    
    Public Function FxDespeckle( _
       ByVal ImageID As Integer _
    ) As GdPictureStatus
    public GdPictureStatus FxDespeckle( 
       int ImageID
    )
    public function FxDespeckle( 
        ImageID: Integer
    ): GdPictureStatus; 
    public function FxDespeckle( 
       ImageID : int
    ) : GdPictureStatus;
    public: GdPictureStatus FxDespeckle( 
       int ImageID
    ) 
    public:
    GdPictureStatus FxDespeckle( 
       int ImageID
    ) 

    Parameters

    ImageID
    GdPicture image identifier.

    Return Value

    A member of the GdPictureStatus enumeration.
    Remarks
    This method is used in the "Image Processing" Demo.
    Example
    Applying a despeckle filter an a jpeg image.
    using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
    {
        int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg", false);
        gdpictureImaging.FxDespeckle(imageID);
        gdpictureImaging.SaveAsJPEG(imageID, "processed_image.jpg");
        gdpictureImaging.ReleaseGdPictureImage(imageID);
    }
    See Also