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VB.NET TIFF - Extract Text from TIFF File in VB

How to Extract Text from TIFF to TXT File in VB.NET Imaging Application

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VB.NET TIFF Text Extraction Introduction
If users want to get the text information from source TIFF file, they can retype the text content in some editable document file, like Word and text file. But you want to obtain the text content from large volume of TIFF files, above mentioned method is unfeasible. Therefore, is there any solution that can help users automate the process of text extraction from source TIFF file in VB.NET project? The answer is, of course, yes.
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This VB.NET TIFF text extractor control add-on is such a .NET solution which can obtain all original text information from source TIFF file and output extracted text information to text file automatically and quickly. Apart from using this VB.NET TIFF text extracting library assembly to get text information from TIFF file, you can also acquire original text content from source TIFF file with this VB.NET TIFF to text conversion control add-on.
In this online tutorial, we will offer you information on VB.NET TIFF text extractor library toolkit from following several aspects.
  • Main functions of this VB.NET TIFF text extraction control add-on
  • Introductions on VB.NET TIFF text extractor SDK dlls
  • VB.NET method and demo code to extract text information from multi-page TIFF file
  • VB.NET method and sample code for extracting text content from certain defined TIFF page area
  • VB.NET TIFF text extraction SDK related questions from customers
VB.NET TIFF Text Extractor SDK Functions
  • Standalone VB.NET TIFF text extractor SDK that extracts text information from all TIFF pages or one specified TIFF page
  • Robust and thread-safe TIFF text extraction control with reasonable developing licenses
  • Allow VB.NET developers to save extracted text content to txt file as desired storage path
  • Able to extract TIFF text information in a 32-bit or 64-bit .NET application including ASP.NET & WinForms projects
VB.NET TIFF Text Extraction Control DLLs
VB.NET developers can easily integrate this TIFF text extraction control SDK into VB.NET image application by adding following compact dlls directly.
  • RasterEdge.Imaging.Basic.dll
  • RasterEdge.Imaging.TIFF.dll
This RasterEdge.Imaging.Basic.dll is the core library of RasterEdge .NET Imaging SDK, which contains rich APIs for developers to perform basic image decoding, encoding and processing functions. This RasterEdge.Imaging.TIFF.dll is designed to help VB.NET developers solve TIFF related tasks, such as TIFF page processing application, TIFF conversion task and TIFF viewing project.
VB.NET Method to Extract Text from Multi-page TIFF
If you want to extract all TIFF pages' text information using VB.NET code, please try this TIFF text extracting method.
Public Sub TiffProcessorExtractTextPage(TIFFInputFile As String, TIFFPageNumberStart 
As Integer, TIFFPageNumberStop As Integer, TIFFOutputFile As String)
End Sub
VB.NET Sample Code for Text Extraction from Multi-page TIFF
Here is a VB.NET sample code on how to extract all text content from whole multi-page TIFF file using RasterEdge VB.NET TIFF text extractor SDK.
Imports System.IO
Imports RasterEdge.Imaging
Imports RasterEdge.Imaging.Processing
Imports RasterEdge.Imaging.MultipageTiff

Dim TIFF As New RasterEdgeImaging()

Public Sub TiffProcessorExtractTextPage()
If True Then
TIFFInputFile = ("C:/1.tiff")
TIFFPageNumberStart = "0"
TIFFPageNumberStop = "4"
TIFFOutputFile = OutputFormat.txt
TIFFOutputFile = ("C:/extract.txt")
End If
End Sub
tiff.TiffProcessorExtractText (@"C:/1.tiff", "0","4", @"C:/extract.txt")
VB.NET Method to Extract Text from Defined TIFF Page Area
If you just want to extract certain TIFF page's text or obtain the text content from certain TIFF page area, please try this VB.NET TIFF text extracting method.
Public Sub TiffProcessorExtractTextArea(TIFFInputFile As String, ExtractedArea As Rectangle, TIFFOutputFiles As String)
End Sub
VB.NET Sample Code to Extract Text from Certain TIFF Page Area
As this VB.NET TIFF text extractor SDK adopts the application of X & Y location, developers can accurately define the text extraction area by specifying the values of X & Y coordinates. What needs to be addressed here is that the outputted txt file will lose the original TIFF text formatting tags.
Imports System.IO
Imports RasterEdge.Imaging
Imports RasterEdge.Imaging.Processing
Imports RasterEdge.Imaging.MultipageTiff

Dim TIFF As New RasterEdgeImaging()

Public Sub TiffProcessorExtractTextArea()
If True Then
TIFFInputFile = ("C:/1.tiff")
ExtractedArea = New rectangle(0, 0, 300, 300)
TIFFOutputFile = OutputFormat.txt
TIFFOutputFile = ("C:/extract.txt")
End If
End Sub
tiff.TiffProcessorExtractArea(@"C:/1.tiff", new rectangle(0, 0, 300, 300), @"C:/extract.txt")
VB.NET TIFF Text Extractor SDK FAQs
Q: I want to extract text information from source TIFF file and output extracted text content to other format files, like Word, using this VB.NET TIFF text extractor SDK?
A: Sorry, the current version of RasterEdge TIFF text extraction control add-on can only allow VB.NET developers to extract text content from source TIFF file and output obtained text information to txt file.


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