RFactor Property

Summary

Represents the dynamic range of standard deviation in the Sauvola equation.

Syntax

C++

public int RFactor { get; set; }

Public Property RFactor() As Integer 
   Get 
   Set

public:  
   property Int32 RFactor 
   { 
      Int32 get() 
      void set(Int32 value) 
   }

Property Value

An integer value that represents the dynamic range of standard deviation. The valid range is from 1 to 255.

Remarks

The default value is 128.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
 
public void SauvolaBinarizeCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "glare.jpg")); 
   string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "BinarizedImage.bmp"); 
 
   // Prepare the command 
   SauvolaBinarizeCommand command = new SauvolaBinarizeCommand(); 
 
   command.KFactor = 0.15; 
   command.RFactor = 128; 
   command.WindowSize = 55; 
 
   command.Run(image); 
 
    // Save it to disk 
    codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing 
Imports Leadtools.ImageProcessing.Core 
 
Public Sub SauvolaBinarizeCommandExample() 
   ' Load an image 
   Dim codecs As RasterCodecs = New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "glare.jpg")) 
   Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "BinarizedImage.bmp") 
 
   ' Prepare the command 
   Dim command As SauvolaBinarizeCommand = New SauvolaBinarizeCommand() 
 
   command.KFactor = 0.15 
   command.RFactor = 128 
   command.WindowSize = 55 
 
   command.Run(image) 
 
   ' Save it to disk 
   codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24) 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class

Requirements

Target Platforms

Reference

SauvolaBinarizeCommand Class

SauvolaBinarizeCommand Members

Leadtools.ImageProcessing.Core Namespace

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Help Version 21.0.2021.7.2

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies