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AddNoiseCommand Class

Summary

Adds random pixels to an image, letting you specify the percentage of coverage and the color plane.

Syntax

C#

VB

Objective-C

C++

Java

public class AddNoiseCommand : RasterCommand

Public Class AddNoiseCommand  
   Inherits RasterCommand

@interface LTAddNoiseCommand : LTRasterCommand

public class AddNoiseCommand extends RasterCommand

public ref class AddNoiseCommand : public RasterCommand

Remarks

This command supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
This command does not support signed data images.
This command does not support 32-bit grayscale images.

For more information, refer to Applying Artistic Effects.

Example

Run the AddNoiseCommand to add red noise to the image.

C#

VB

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Effects; 
 
public void AddNoiseCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample2.cmp")); 
 
   // Prepare the command 
   AddNoiseCommand command = new AddNoiseCommand(); 
   command.Range = 250; 
   //Add red noise with 25 percent coverage 
   command.Channel = RasterColorChannel.Red; 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing 
Imports Leadtools.ImageProcessing.Effects 
 
Public Sub AddNoiseCommandExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample2.cmp")) 
 
   ' Prepare the command 
   Dim command As AddNoiseCommand = New AddNoiseCommand 
   command.Range = 250 
   'Add red noise with 25 percent coverage 
   command.Channel = RasterColorChannel.Red 
 
   command.Run(leadImage) 
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class

Requirements

Target Platforms

See Also

Reference

AddNoiseCommand Members

Leadtools.ImageProcessing.Effects Namespace

Applying Artistic Effects

Applying Artistic Effects

SharpenCommand Class

Leadtools.ImageProcessing.Color.PosterizeCommand

MosaicCommand Class

EmbossCommand Class

AverageCommand Class

Leadtools.ImageProcessing.Core.MedianCommand

Leadtools.ImageProcessing.Color.IntensityDetectCommand

SpatialFilterCommand Class

BinaryFilterCommand Class

Leadtools.ImageProcessing.Core.MinimumCommand

Leadtools.ImageProcessing.Core.MaximumCommand

OilifyCommand Class

Leadtools.ImageProcessing.Color.SolarizeCommand

Leadtools.ImageProcessing.Core.WindowLevelCommand

Leadtools.ImageProcessing.SpecialEffects.BumpMapCommand

CubismCommand Class

Leadtools.ImageProcessing.SpecialEffects.DrawStarCommand

Leadtools.ImageProcessing.SpecialEffects.DryCommand

Leadtools.ImageProcessing.SpecialEffects.FreePlaneBendCommand

Leadtools.ImageProcessing.SpecialEffects.FreeRadialBendCommand

Leadtools.ImageProcessing.SpecialEffects.GlassEffectCommand

Leadtools.ImageProcessing.SpecialEffects.GlowCommand

Leadtools.ImageProcessing.SpecialEffects.LensFlareCommand

Leadtools.ImageProcessing.SpecialEffects.LightCommand

Leadtools.ImageProcessing.SpecialEffects.OceanCommand

Leadtools.ImageProcessing.SpecialEffects.PlaneBendCommand

Leadtools.ImageProcessing.SpecialEffects.PlaneCommand

Leadtools.ImageProcessing.Color.SampleTargetCommand

Leadtools.ImageProcessing.SpecialEffects.TunnelCommand

Leadtools.ImageProcessing.SpecialEffects.BendCommand

Leadtools.ImageProcessing.SpecialEffects.CylinderCommand

Leadtools.ImageProcessing.SpecialEffects.FreeHandShearCommand

Leadtools.ImageProcessing.SpecialEffects.FreeHandWaveCommand

Leadtools.ImageProcessing.SpecialEffects.ImpressionistCommand

Leadtools.ImageProcessing.SpecialEffects.PixelateCommand

Leadtools.ImageProcessing.SpecialEffects.PolarCommand

Leadtools.ImageProcessing.SpecialEffects.RadialBlurCommand

Leadtools.ImageProcessing.SpecialEffects.RadialWaveCommand

Leadtools.ImageProcessing.SpecialEffects.RippleCommand

Leadtools.ImageProcessing.SpecialEffects.SphereCommand

Leadtools.ImageProcessing.SpecialEffects.SwirlCommand

Leadtools.ImageProcessing.SpecialEffects.WaveCommand

Leadtools.ImageProcessing.SpecialEffects.WindCommand

Leadtools.ImageProcessing.SpecialEffects.ZoomBlurCommand

Leadtools.ImageProcessing.SpecialEffects.ZoomWaveCommand

Leadtools.ImageProcessing.SpecialEffects.ShadowCommand

Leadtools.ImageProcessing.SpecialEffects.RevEffectCommand

Leadtools.ImageProcessing.SpecialEffects.AgingCommand

Leadtools.ImageProcessing.SpecialEffects.DiceEffectCommand

Leadtools.ImageProcessing.SpecialEffects.FunctionalLightCommand

Leadtools.ImageProcessing.SpecialEffects.PuzzleEffectCommand

Leadtools.ImageProcessing.SpecialEffects.RingEffectCommand

TextureAlphaBlendCommand Class

Leadtools.ImageProcessing.SpecialEffects.BricksTextureCommand

Leadtools.ImageProcessing.Core.DeskewCommand

Leadtools.ImageProcessing.SpecialEffects.DiffuseGlowCommand

Leadtools.ImageProcessing.Core.HalfTonePatternCommand

HighPassCommand Class

MaskConvolutionCommand Class

Leadtools.ImageProcessing.SpecialEffects.PerspectiveCommand

Leadtools.ImageProcessing.SpecialEffects.PlasmaCommand

Leadtools.ImageProcessing.SpecialEffects.PointillistCommand

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Leadtools.ImageProcessing.Effects Assembly

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Leadtools.ImageProcessing.Effects Namespace

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© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.