CoreUtilities Class

Core utility class.

Object Model

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public sealed class CoreUtilities

'Declaration
 
Public NotInheritable Class CoreUtilities

'Usage
 
Dim instance As CoreUtilities

public sealed sealed class CoreUtilities

function Leadtools.ImageProcessing.Core.CoreUtilities()

public ref class CoreUtilities sealed

Example

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub GetTransformationParametersExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim rmData(2) As SearchRegistrationMarksCommandData
   ' Mark1
   rmData(0) = New SearchRegistrationMarksCommandData
   rmData(0).Rectangle = New LeadRect(680, 20, 941 - 680, 218 - 20)
   Dim pt0(0) As LeadPoint
   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 LeadRect(665, 790, 899 - 665, 961 - 790)
   Dim pt1(0) As LeadPoint
   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 LeadRect(7, 1073, 298 - 7, 1246 - 1073)
   Dim pt2(0) As LeadPoint
   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 LeadPoint = _
   { _
      New LeadPoint(81400, 11300), _
      New LeadPoint(78600, 87400), _
      New LeadPoint(14300, 115400) _
   }

   Dim detected() As LeadPoint = _
   { _
      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 LeadPoint = 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)

End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void GetTransformationParametersExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      SearchRegistrationMarksCommandData[] rmData = new SearchRegistrationMarksCommandData[3];

      //Mark1
      rmData[0] = new SearchRegistrationMarksCommandData();
      rmData[0].Rectangle = new LeadRect(680, 20, 941 - 680, 218 - 20);
      rmData[0].MarkDetectedPoints = new LeadPoint[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 LeadRect(665, 790, 899 - 665, 961 - 790);
      rmData[1].MarkDetectedPoints = new LeadPoint[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 LeadRect(7, 1073, 298 - 7, 1246 - 1073);
      rmData[2].MarkDetectedPoints = new LeadPoint[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;

      LeadPoint[] original =
      {
         new LeadPoint(81400, 11300),
         new LeadPoint(78600, 87400),
         new LeadPoint(14300, 115400)
      };

      LeadPoint[] 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
      LeadPoint[] 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);

   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

//   [TestMethod]
//   public async Task GetTransformationParametersExample()
//   {
//      // Load an image
//      RasterCodecs codecs = new RasterCodecs();
//      codecs.ThrowExceptionsOnInvalidImages = true;

//      // Load the image
//      string srcFileName = @"Assets\Image1.cmp";
//      StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
//      RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

//      // Prepare the command
//      SearchRegistrationMarksCommandData[] rmData = new SearchRegistrationMarksCommandData[3];

//      //Mark1
//      rmData[0] = new SearchRegistrationMarksCommandData();
//      rmData[0].Rectangle = LeadRectHelper.Create(680, 20, 941 - 680, 218 - 20);
//      rmData[0].MarkDetectedPoints = new LeadPoint[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 = LeadRectHelper.Create(665, 790, 899 - 665, 961 - 790);
//      rmData[1].MarkDetectedPoints = new LeadPoint[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 = LeadRectHelper.Create(7, 1073, 298 - 7, 1246 - 1073);
//      rmData[2].MarkDetectedPoints = new LeadPoint[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;

//      LeadPoint[] original =
//      {
//         LeadPointHelper.Create(81400, 11300),
//         LeadPointHelper.Create(78600, 87400),
//         LeadPointHelper.Create(14300, 115400)
//      };

//      LeadPoint[] 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
//      LeadPoint[] 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);

//   }
//

[TestMethod]
public async Task GetTransformationParametersExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   SearchRegistrationMarksCommandData[] rmData = new SearchRegistrationMarksCommandData[3];

   //Mark1
   rmData[0] = new SearchRegistrationMarksCommandData();
   rmData[0].Rectangle = LeadRectHelper.Create(680, 20, 941 - 680, 218 - 20);
   rmData[0].MarkDetectedPoints = new LeadPoint[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 = LeadRectHelper.Create(665, 790, 899 - 665, 961 - 790);
   rmData[1].MarkDetectedPoints = new LeadPoint[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 = LeadRectHelper.Create(7, 1073, 298 - 7, 1246 - 1073);
   rmData[2].MarkDetectedPoints = new LeadPoint[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;

   LeadPoint[] original =
   {
      LeadPointHelper.Create(81400, 11300),
      LeadPointHelper.Create(78600, 87400),
      LeadPointHelper.Create(14300, 115400)
   };

   LeadPoint[] 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
   LeadPoint[] 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);

}

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

CoreUtilities Members
Leadtools.ImageProcessing.Core Namespace