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Read Codabar on Doc Image
To get started with DocImage SDK for .NET, you are supposed to read VB.NET Imaging: Get Started first!
With RasterEdge .NET Barcode Reading SDK and Imaging Processing Library , users are competent to create an image barcode reading application in variable .NET Framework projects to scan and decode linear and 2D barcodes within image or document page.
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And this page is aimed to display how to
decode and recognize linear Codabar barcode from a desired image or document within VB.NET Windows application. With the help of this VB.NET Image Codabar Reading library, both developers and end users can easily decode Codabar data, checksum digit position, resolution, barcode color, text font, margin, etc.
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RasterEdge .NET Imaging Barcode Add-on consists of two libraries: barcode reading toolkit and barcode generating component. As we just talk about Codabar barcode scanning in VB.NET project here, if you want to get the detailed tutorial on its generation, you can check:
step by step guide on VB image linear Codabar creating. And we will list other different linear and 2D barcode types and sub-types reading guide with this tutorial page:
VB.NET imaging: linear and 2D barcode symbols reading and decoding.
Brief article layout of Codabar reading tutorial in VB.NET imaging application:
- Main features and technologies of VB.NET Imaging Codabar Reading library
- VB.NET sample code to detect and recognize Codabar barcode from image forms
- Read and scan Codabar barcode from PDF document within both single and multiple threaded VB.NET image applications
- Combine .NET Imaging Processing SDK with Codabar Barcode Reading library to scan and recognize Codabar from certain Word document page(s)
VB.NET Codabar Reading Benefits and Technologies Overview
- Premier .NET, VB.NET Image Barcode Reading toolkit for developing application to read and scan Codabar within image and document
- High reliable and stable barcode reading engine for VB.NET developers and end users
- This VB.NET Codabar Reading library can be implemented within web, tablet and mobile applications
- Support reading and scanning Codabar from both monochrome and bitional images
- VB sample code to return recognized Codabar barcode with 100% accuracy
- Comprehensive report on scanned Codabar, including location, orientation, and even barcode image format
- Use VB.NET image cleanup function to revise or perfect barcode image for better reading, like, dekewing, removing noise, etc.
- Using .NET Imaging Barcode Reading Error Correcting Codes (ECC) in VB program
VB.NET Code to Read and Scan Codabar form Image Formats
VB.NET Imaging Barcode Reading Add-on supports users reading and decoding linear Codabar from these image formats: TIFF, GIF, BMP, PNG and JPEG. Following demo code that is programmed in VB class is for Codabar reading and recognizing from TIFF image, if your target image is another format, you only need to change the sample image format (like changing tif to png, gif) and replace a proper image.
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.Codabar)
For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Code to Detect and Decode Linear Codabar on PDF
Our .NET Imaging Barcode Scanning library also allows developers and end users to detect and scan 1D Codabar on PDF document page in VB.NET program. Nay more, with our mature and flexile barcode reading technique, users are able to read and recognize several Codabar barcodes within a single PDF page or from multiple PDF document pages. And RasterEdge .NET PDF Processing SDK can enable users to load and input single or multiple PDF document(s) with high speed but without losing any quality.
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.Codabar)
For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Demo Code to Recognize Codabar from MS Word Page
Compliant with our Word Barcode Generator SDK, our VB.NET Imaging Barcode Recognizing tool also enables users to read and decode linear and 2d barcodes from Microsoft Word document. Following sample code in VB class is prepared to help users to read and scan Codabar from certain Word page(s). Also, as you can see from following code, users may decode Codabar easily no matter the barcode image is on the whole Word page or just within a rectangle region.
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.Codabar)
For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
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