Threshold Property

Summary

Gets or sets a value that indicates which pixels will be changed.

Syntax

C++/CLI

Python

public int Threshold { get; set; }

public: 
property int Threshold { 
   int get(); 
   void set (    int ); 
}

Threshold # get and set (RemoveRedEyeCommand)

Property Value

Threshold value that indicates which pixels will be changed. All pixels with a red component value greater than this value will be changed. Pixels with a red component value less than this value will not be changed. This value is between 0 and 255.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void RemoveRedEyeCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "red_eye.cmp")); 
 
   // Prepare the command 
   RemoveRedEyeCommand command = new RemoveRedEyeCommand(); 
   //Apply the redeye removal command. 
   command.NewColor = new RasterColor(5, 20, 10); 
   command.Threshold = 125; 
   command.Lightness = 100; 
   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:\LEADTOOLS23\Resources\Images"; 
}