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RemoveSaltPepperCommand Class

Summary
Removes the salt and pepper noise from the specified image.
Syntax
C#
VB
C++
public class RemoveSaltPepperCommand : RasterCommand 
Public Class RemoveSaltPepperCommand  
   Inherits RasterCommand 
public ref class RemoveSaltPepperCommand : public RasterCommand   
Remarks
  • This command takes an image and removes salt (pixels having a value of 255) and pepper (pixels having a value of 0) and replaces them with the median value of the non-noisy pixels around them.
  • This command works only on 8-bit images.
Example
C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void RemoveSaltPepperCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"cannon_noisy.png")); 
 
   // Prepare the command 
   RemoveSaltPepperCommand command = new RemoveSaltPepperCommand(); 
   //Apply the filter. 
   command.Run(image); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Core 
 
Public Sub RemoveSaltPepperCommandExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "cannon_noisy.png")) 
 
   ' Prepare the command 
   Dim command As RemoveSaltPepperCommand = New RemoveSaltPepperCommand 
   'Apply the filter. 
   command.Run(leadImage) 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class 
Requirements

Target Platforms

Help Version 21.0.2021.7.2
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Leadtools.ImageProcessing.Core Assembly

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.