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ProcessPage(Stream,int,FormRecognitionAttributes,FormPage) Method

Summary

Performs field processing on the recognized page image.

Syntax

C++

public PageAlignment ProcessPage( 
   Stream stream, 
   int pageNumber, 
   FormRecognitionAttributes masterAttributes, 
   FormPage pageFields 
)

  
Public Overloads Function ProcessPage( _ 
   ByVal stream As Stream, _ 
   ByVal pageNumber As Integer, _ 
   ByVal masterAttributes As Leadtools.Forms.Recognition.FormRecognitionAttributes, _ 
   ByVal pageFields As Leadtools.Forms.Processing.FormPage _ 
) As Leadtools.Forms.PageAlignment

public: 
Leadtools.Forms.PageAlignment^ ProcessPage(  
   Stream^ stream, 
   int pageNumber, 
   Leadtools.Forms.Recognition.FormRecognitionAttributes^ masterAttributes, 
   Leadtools.Forms.Processing.FormPage^ pageFields 
)

Parameters

stream
A System.IO.Stream containing the recognized page image data.

pageNumber
1-based index of the in stream.

masterAttributes
Master Form attributes of the recognized page type.

pageFields
Page fields to process.

Remarks

The result of processing will be stored in pageFields.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms; 
using Leadtools.Forms.Auto; 
using Leadtools.Forms.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
 
public void AutoPageRecognitionAndProcessing2Stream() 
{ 
   string root = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\FormsDemo\OCR_Test"); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   DiskMasterFormsRepository repository = new DiskMasterFormsRepository(codecs, root); 
 
   using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Advantage, false)) 
   { 
      ocrEngine.Startup(null, null, null, LEAD_VARS.OcrAdvantageRuntimeDir); 
 
      BarcodeEngine barcodeEngine = new BarcodeEngine(); 
 
      AutoFormsEngine autoEngine = new AutoFormsEngine(repository, ocrEngine, barcodeEngine); 
      autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidencePage(); 
 
      FileStream fs = File.OpenRead(Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Images\FCC-107_OCR_Filled.tif")); 
 
      AutoFormsRecognizePageResult result = autoEngine.RecognizePage(fs, 1, null); 
      if (result == null) 
         return; 
      FormPages formFields = result.MasterForm.ReadFields(); 
      FormPage pageFields = formFields.GetPage(result.PageNumber); 
      FormRecognitionAttributes attributes = result.MasterForm.ReadAttributes(); 
      autoEngine.ProcessPage(fs, 1, attributes, pageFields); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
   public const string OcrAdvantageRuntimeDir = @"C:\LEADTOOLS 19\Bin\Common\OcrAdvantageRuntime"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Forms 
Imports Leadtools.Forms.Auto 
Imports Leadtools.Forms.Ocr 
Imports Leadtools.Forms.Recognition 
Imports Leadtools.Forms.Processing 
Imports Leadtools.Barcode 
 
Public Sub AutoPageRecognitionAndProcessing2Stream() 
 
   Dim root As String = Path.Combine(LEAD_VARS.ImagesDir, "Forms\FormsDemo\OCR_Test") 
 
   Dim codecs_Renamed As RasterCodecs = New RasterCodecs() 
 
   Dim repository As DiskMasterFormsRepository = New DiskMasterFormsRepository(codecs_Renamed, root) 
 
   Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Advantage, False) 
      ocrEngine.Startup(Nothing, Nothing, Nothing, LEAD_VARS.OcrAdvantageRuntimeDir) 
 
      Dim engineBarcode As BarcodeEngine = New BarcodeEngine() 
 
      Dim autoEngine As AutoFormsEngine = New AutoFormsEngine(repository, ocrEngine, engineBarcode) 
      autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidencePage() 
 
      Dim fs As FileStream = File.OpenRead(Path.Combine(LEAD_VARS.ImagesDir, "Forms\Images\FCC-107_OCR_Filled.tif")) 
 
      Dim result As AutoFormsRecognizePageResult = autoEngine.RecognizePage(fs, 1, Nothing) 
      If result Is Nothing Then 
         Return 
      End If 
      Dim formFields As FormPages = result.MasterForm.ReadFields() 
      Dim pageFields As FormPage = formFields.GetPage(result.PageNumber) 
      Dim attributes As FormRecognitionAttributes = result.MasterForm.ReadAttributes() 
      autoEngine.ProcessPage(fs, 1, attributes, pageFields) 
   End Using 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
   Public Const OcrAdvantageRuntimeDir As String = "C:\LEADTOOLS 19\Bin\Common\OcrAdvantageRuntime" 
End Class

Requirements

Target Platforms

Reference

AutoFormsEngine Class

AutoFormsEngine Members

Overload List

Help Version 19.0.2017.10.27

Leadtools.Forms.Auto Assembly

Introduction

Getting Started

Namespaces

Leadtools.Forms.Auto Namespace

Assemblies