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CoreUtilities Class
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Leadtools.ImageProcessing.Core Namespace : CoreUtilities Class




Core utility class.

Syntax

Visual Basic (Declaration) 
Public NotInheritable Class CoreUtilities
Visual Basic (Usage)Copy Code
Dim instance As CoreUtilities
C# 
public sealed class CoreUtilities
Managed Extensions for C++ 
public __gc __sealed class CoreUtilities
C++/CLI 
public ref class CoreUtilities sealed

Example

Visual BasicCopy Code
ImageProcessing.Core.CoreUtilities.GetTransformationParameters
   Public Sub GetTransformationParametersExample()
      RasterCodecs.Startup()
      Dim codecs As New RasterCodecs()
      codecs.ThrowExceptionsOnInvalidImages = True

      Dim leadImage As RasterImage = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Master.jpg")

      ' Prepare the command
      Dim rmData(2) As SearchRegistrationMarksCommandData
      ' Mark1
      rmData(0) = New SearchRegistrationMarksCommandData
      rmData(0).Rectangle = New Rectangle(680, 20, 941 - 680, 218 - 20)
      Dim pt0(0) As Point
      rmData(0).MarkDetectedPoints = pt0
      rmData(0).Width = 31
      rmData(0).Height = 29
      rmData(0).Type = RegistrationMarkCommandType.TShape
      rmData(0).MinimumScale = 90
      rmData(0).MaximumScale = 110
      rmData(0).SearchMarkCount = 1

      ' Mark2
      rmData(1) = New SearchRegistrationMarksCommandData
      rmData(1).Rectangle = New Rectangle(665, 790, 899 - 665, 961 - 790)
      Dim pt1(0) As Point
      rmData(1).MarkDetectedPoints = pt1
      rmData(1).Width = 31
      rmData(1).Height = 29
      rmData(1).Type = RegistrationMarkCommandType.TShape
      rmData(1).MinimumScale = 90
      rmData(1).MaximumScale = 110
      rmData(1).SearchMarkCount = 1

      ' Mark3
      rmData(2) = New SearchRegistrationMarksCommandData
      rmData(2).Rectangle = New Rectangle(7, 1073, 298 - 7, 1246 - 1073)
      Dim pt2(0) As Point
      rmData(2).MarkDetectedPoints = pt2
      rmData(2).Width = 31
      rmData(2).Height = 29
      rmData(2).Type = RegistrationMarkCommandType.TShape
      rmData(2).MinimumScale = 90
      rmData(2).MaximumScale = 110
      rmData(2).SearchMarkCount = 1
      Dim command1 As New SearchRegistrationMarksCommand(rmData)
      command1.Run(leadImage)

      If ((rmData(2).MarkDetectedCount <> 1) OrElse (rmData(1).MarkDetectedCount <> 1) OrElse (rmData(0).MarkDetectedCount <> 1)) Then
         Return
      End If

      Dim original() As Point = _
      { _
         New Point(81400, 11300), _
         New Point(78600, 87400), _
         New Point(14300, 115400) _
      }

      Dim detected() As Point = _
      { _
         rmData(0).MarkDetectedPoints(0), _
         rmData(1).MarkDetectedPoints(0), _
         rmData(2).MarkDetectedPoints(0) _
      }

      ' Find center of mass for detected registration marks in the transformed image
      Dim transformed() As Point = CoreUtilities.GetRegistrationMarksCenterMass(leadImage, detected)
      ' Find transformation parameters
      Dim parameters As TransformationParameters = CoreUtilities.GetTransformationParameters(leadImage, original, transformed)
      ' Apply transformatin parameters to correct the image
      Dim applyCommand As New ApplyTransformationParametersCommand(parameters.XTranslation, parameters.YTranslation, parameters.Angle, parameters.XScale, parameters.YScale, ApplyTransformationParametersCommandFlags.Normal)

      applyCommand.Run(leadImage)

      RasterCodecs.Shutdown()
   End Sub
C#Copy Code
ImageProcessing.Core.CoreUtilities.GetTransformationParameters 
      public void GetTransformationParametersExample() 
      { 
         // Load an image 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
         codecs.ThrowExceptionsOnInvalidImages = true; 
 
         RasterImage image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Master.jpg"); 
 
         // Prepare the command 
         SearchRegistrationMarksCommandData[] rmData = new SearchRegistrationMarksCommandData[3]; 
 
         //Mark1 
         rmData[0] = new SearchRegistrationMarksCommandData(); 
         rmData[0].Rectangle = new Rectangle(680, 20, 941 - 680, 218 - 20); 
         rmData[0].MarkDetectedPoints = new Point[1]; 
         rmData[0].Width = 31; 
         rmData[0].Height = 29; 
         rmData[0].Type = RegistrationMarkCommandType.TShape; 
         rmData[0].MinimumScale = 90; 
         rmData[0].MaximumScale = 110; 
         rmData[0].SearchMarkCount = 1; 
 
         //Mark2 
         rmData[1] = new SearchRegistrationMarksCommandData(); 
         rmData[1].Rectangle = new Rectangle(665, 790, 899 - 665, 961 - 790); 
         rmData[1].MarkDetectedPoints = new Point[1]; 
         rmData[1].Width = 31; 
         rmData[1].Height = 29; 
         rmData[1].Type = RegistrationMarkCommandType.TShape; 
         rmData[1].MinimumScale = 90; 
         rmData[1].MaximumScale = 110; 
         rmData[1].SearchMarkCount = 1; 
 
         //Mark3 
         rmData[2] = new SearchRegistrationMarksCommandData(); 
         rmData[2].Rectangle = new Rectangle(7, 1073, 298 - 7, 1246 - 1073); 
         rmData[2].MarkDetectedPoints = new Point[1]; 
         rmData[2].Width = 31; 
         rmData[2].Height = 29; 
         rmData[2].Type = RegistrationMarkCommandType.TShape; 
         rmData[2].MinimumScale = 90; 
         rmData[2].MaximumScale = 110; 
         rmData[2].SearchMarkCount = 1; 
         SearchRegistrationMarksCommand command1 = new SearchRegistrationMarksCommand(rmData); 
         command1.Run(image); 
         if ((rmData[2].MarkDetectedCount != 1) || (rmData[1].MarkDetectedCount != 1) || (rmData[0].MarkDetectedCount != 1)) 
            return; 
 
         Point[] original = 
         { 
            new Point(81400, 11300), 
            new Point(78600, 87400), 
            new Point(14300, 115400) 
         }; 
 
         Point[] detected = 
         { 
            rmData[0].MarkDetectedPoints[0], 
            rmData[1].MarkDetectedPoints[0], 
            rmData[2].MarkDetectedPoints[0] 
         }; 
 
         //Find center of mass for detected registration marks in the transformed image 
         Point[] transformed = CoreUtilities.GetRegistrationMarksCenterMass(image, detected); 
         //Find transformation parameters 
         TransformationParameters parameters = CoreUtilities.GetTransformationParameters(image, original, transformed); 
         //Apply transformation parameters to correct the image 
         ApplyTransformationParametersCommand applyCommand = new ApplyTransformationParametersCommand(parameters.XTranslation, parameters.YTranslation, parameters.Angle, parameters.XScale, parameters.YScale, ApplyTransformationParametersCommandFlags.Normal); 
         applyCommand.Run(image); 
 
         RasterCodecs.Shutdown(); 
      }

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.Core.CoreUtilities

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also