RemoveSaltPepperCommand Class

Summary

Removes the salt and pepper noise from the specified image.

Syntax

C++/CLI

Python

public class RemoveSaltPepperCommand : RasterCommand

public ref class RemoveSaltPepperCommand : public RasterCommand

class RemoveSaltPepperCommand(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.

Salt and Pepper Removal Function - Before

Salt and Pepper Removal Function - After

View additional platform support for this Salt and Pepper Removal function.

Example

Java

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:\LEADTOOLS23\Resources\Images"; 
}

 
import static org.junit.Assert.assertTrue; 
 
import java.io.File; 
import java.io.IOException; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
 
import leadtools.*; 
 
import leadtools.codecs.*; 
import leadtools.imageprocessing.core.RemoveSaltPepperCommand; 
 
 
public void removeSaltPepperCommandExample() { 
 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   final String outputFileName = combine(LEAD_VARS_IMAGES_DIR, "output_cannon_noisy.png"); 
 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.setThrowExceptionsOnInvalidImages(true); 
   RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "cannon_noisy.png")); 
 
   // Prepare the command 
   RemoveSaltPepperCommand command = new RemoveSaltPepperCommand(); 
 
   // Apply the filter and save the image 
   int change = command.run(image); 
   assertTrue(change != RasterImageChangedFlags.NONE); 
 
   codecs.save(image, outputFileName, RasterImageFormat.PNG, 0); 
   System.out.println("Command run, image saved to " + outputFileName); 
}

Requirements

Target Platforms

Reference

RemoveSaltPepperCommand Members

Leadtools.ImageProcessing.Core Namespace

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies