ProcessForm(Stream,FormRecognitionAttributes,FormPages) Method

Summary

Performs field processing on the recognized form image.

Syntax

C++

Java

public void ProcessForm( 
   Stream stream, 
   FormRecognitionAttributes masterAttributes, 
   FormPages formFields 
)

  
Public Overloads Sub ProcessForm( _ 
   ByVal stream As Stream, _ 
   ByVal masterAttributes As FormRecognitionAttributes, _ 
   ByVal formFields As FormPages _ 
)

public void processForm( 
   ILeadStream,  
   FormRecognitionAttributes,  
   FormPages 
);

public: 
void ProcessForm(  
   Stream^ stream, 
   FormRecognitionAttributes^ masterAttributes, 
   FormPages^ formFields 
)

Parameters

stream
A System.IO.Stream containing the unknown form image data.

masterAttributes
The Master Form attributes of the form type.

formFields
The fields to be processed for the Master Form of the form type.

Remarks

This method processes the recognized form fields. The Master Form fields are obtained by calling IMasterForm.ReadFields of the AutoFormsRecognizeFormResult.MasterForm.

The stream should have all form pages.

This method is useful because it allows you to do the form processing later on or on another machine without the need to recreate the recognition result object

The form alignment is calculated internally, so providing the recognition results will speed the alignment calculation process.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms.Common; 
using Leadtools.Forms.Auto; 
using Leadtools.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
 
public void AutoFormRecognitionAndProcessing1Stream() 
{ 
   string root = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\FormsDemo\OCR_Test"); 
   RasterCodecs codecs = new RasterCodecs(); 
   //create repository 
   DiskMasterFormsRepository repository = new DiskMasterFormsRepository(codecs, root); 
 
   using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false)) 
   { 
      ocrEngine.Startup(null, null, null, LEAD_VARS.OcrLEADRuntimeDir); 
 
      BarcodeEngine barcodeEngine = new BarcodeEngine(); 
 
      AutoFormsEngine autoEngine = new AutoFormsEngine(repository, ocrEngine, barcodeEngine, 30, 80, true); 
 
      FileStream fs = File.OpenRead(Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Images\FCC-107_OCR_Filled.tif")); 
 
 
      //recognize the form 
      AutoFormsRecognizeFormResult result = autoEngine.RecognizeForm(fs, null); 
      if (result == null) 
         return; 
      //get form fields 
      FormPages formFields = result.MasterForm.ReadFields(); 
      FormRecognitionAttributes attributes = result.MasterForm.ReadAttributes(); 
      //process form 
      autoEngine.ProcessForm(fs, attributes, formFields); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
   public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Forms.Common 
Imports Leadtools.Forms.Auto 
Imports Leadtools.Ocr 
Imports Leadtools.Forms.Recognition 
Imports Leadtools.Forms.Processing 
Imports Leadtools.Barcode 
 
Public Sub AutoFormRecognitionAndProcessing1Stream() 
 
   Dim root As String = Path.Combine(LEAD_VARS.ImagesDir, "Forms\FormsDemo\OCR_Test") 
 
   Dim codecs_Renamed As RasterCodecs = New RasterCodecs() 
   'create repository 
   Dim repository As DiskMasterFormsRepository = New DiskMasterFormsRepository(codecs_Renamed, root) 
 
   Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, False) 
      ocrEngine.Startup(Nothing, Nothing, Nothing, LEAD_VARS.OcrLEADRuntimeDir) 
 
      Dim engineBarcode As BarcodeEngine = New BarcodeEngine() 
 
      Dim autoEngine As AutoFormsEngine = New AutoFormsEngine(repository, ocrEngine, engineBarcode, 30, 80, True) 
 
      Dim fs As FileStream = File.OpenRead(Path.Combine(LEAD_VARS.ImagesDir, "Forms\Images\FCC-107_OCR_Filled.tif")) 
 
 
      'recognize the form 
      Dim result As AutoFormsRecognizeFormResult = autoEngine.RecognizeForm(fs, Nothing) 
      If result Is Nothing Then 
         Return 
      End If 
      'get form fields 
      Dim formFields As FormPages = result.MasterForm.ReadFields() 
      Dim attributes As FormRecognitionAttributes = result.MasterForm.ReadAttributes() 
      'process form 
      autoEngine.ProcessForm(fs, attributes, formFields) 
   End Using 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
   Public Const OcrLEADRuntimeDir As String = "C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime" 
End Class

Requirements

Target Platforms

Reference

AutoFormsEngine Class

AutoFormsEngine Members

Overload List

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Help Version 20.0.2020.3.31

Leadtools.Forms.Auto Assembly

Introduction

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Leadtools.Forms.Auto Namespace

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