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VB.NET Imaging - Use VB to Decode ISBN

Scan ISBN from Image and Document Within VB.NET Barcode Reading Application

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To get started with DocImage SDK for .NET, you are supposed to read VB.NET Imaging: Get Started first!

VB.NET Imaging ISBN Barcode Reading library of RasterEdge .NET Imaging Barcode SDK provides users fully featured and perfect ISBN barcode reading toolkit that can be seamlessly implemented into safe threaded VB imaging application.
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As we know, barcode reading is an important part of many image and document management systems that can track and filter images and documents. To this end, this special VB.NET Imaging ISBN Barcode Reading SDK can be combined with image and document processing libraries to read and scan ISBN barcode from images(for example: JPEG, TIFF, PNG, GIF and BMP) and documents(PDF & MS Word).
In this VB ISBN barcode reading tutorial article, users can get following information:
  • Specific benefit and feature list of ISBN Imaging Barcode Reading application in VB.NET project
  • More technique details of RasterEdge .NET Imaging Barcode Reading SDK within VB program
  • VB.NET sample code to read and scan ISBN linear barcode from multiple images
  • VB.NET demo code to detect and recognize ISBN barcode from desired single or multiple PDF document pages
  • VB.NET example code to read and recognize ISBN barcode on particular Word Page area
If you want to find online guide on ISBN barcode generating, please go to: ISBN linear barcode creating in VB Windows project, and we also offer users more information on VB.NET imaging - all 1D and 2D barcodes creation overview.
VB.NET Imaging ISBN Barcode Reading Benefits
  • Combine ISBN barcode reading control with image and document management libraries within VB application
  • No external image or document application needed for document imaging ISBN barcode decoding
  • Able to read ISBN barcode from image and document that are captured using webcams or scanners
  • Support scanning ISBN barcode from single-page or multi-page PDF and Word documents in VB class
  • Use .NET Imaging Processing SDK in VB program to edit image to best decoding status, like adjusting ISBN image orientation, resetting image resolution, and more
  • VB.NET document page manipulating methods to detect and locate ISBN barcode image
VB.NET Imaging Barcode Reading SDK Tech Details
Following list shows the brief technique details of RasterEdge .NET Imaging Barcode Reading SDK in VB Windows program.
  • All ISBN barcode reading APIs and sample code are compatible with VB.NET developing project
  • Support Visual Studio 2005 and greater versions
  • Support .NET Framework 2.0 and later versions
  • Able to read and scan ISBN, and other 1D barcodes, including EAN/UPC barcodes, postal barcodes, numeric barcodes, etc.
  • Able to recognize and decode three 2D barcode symbols: QR code, Data Matrix, PDF-417
  • Can be easily incorporated with VB.NET document imaging managing libraries
VB.NET Sample Code to Read ISBN Barcode from Image
This VB.NET Imaging Barcode Reading SDK is powerful enough to enable users to read and scan ISBN barcode from image forms(JPEG, PNG, TIFF, JPEG & BMP), which can come from Window and web cameras, online resource, etc.
Following VB demo code shows how to read and scan ISBN barcode from TIFF image file. If you need to recognize ISBN barcode from other image forms, it is OK for you to change the input image format.
Public Shared FolderName As String = "c:/"

Private Sub button1_Click(sender As Object, e As EventArgs)
Dim fileName As String = FolderName & "SampleBarcode.tif"

Dim datas As String() = BarcodeScanner.Scan(fileName, BarcodeType.ISBN)

For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Code to Decode ISBN Barcode on PDF Document
As users are allowed to integrate our ISBN Barcode Reading control with .NET PDF document imaging library, so you can decode ISBN barcode from PDF document directly. And one of the prominent features of this ISBN Barcode Reading toolkit is that it can enable users to read several ISBN barcodes from a same or different PDF pages by using VB demo code displayed below.
Public Shared FolderName As String = "c:/"

Private Sub button1_Click(sender As Object, e As EventArgs)
Dim fileName As String = FolderName & "Sample.pdf"

Dim reImage As REImage = DirectCast(REFile.OpenDocumentFile(fileName, New PDFDecoder()).GetPage(0).ToImage(), REImage)

Dim datas As String() = BarcodeScanner.Scan(reImage, BarcodeType.ISBN)

For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Code to Recognize ISBN Barcode from Word Page
Besides PDF document format, our VB.NET Imaging ISBN Barcode Scanning Add-on still enables users to read and scan ISBN from Word document. In addition, users are able to detect the precise location of ISBN barcode image by using the location X and Y solution.
Public Shared FolderName As String = "c:/"

Private Sub button1_Click(sender As Object, e As EventArgs)
Dim fileName As String = FolderName & "Sample.docx"

Dim reImage As REImage = DirectCast(REFile.OpenDocumentFile(fileName, New DOCXDecoder()).GetPage(0).ToImage(), REImage)

Dim datas As String() = BarcodeScanner.Scan(reImage, BarcodeType.ISBN)

For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub


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