Web Image Viewer: Read Barcode on Document, Images

How to read barcodes from document image on the Web
Read barcodes from document & images can be easily achieved if you use our Yiigo ASP.NET AJAX Web Imaging Viewer. Over 20 industrial linear, postal & 2D can be detected with great ease. Find more barcode reading information on Yiigo.Imaging for .NET Barcode Reading Plugin.
Yiigo.Imaging for .NET Barcode Reading Plugin has those following functionalities:
  • Detect barcode symbology of the recognized images
  • Support linear, postal barcode as well as QR Code, PDF-417, Data Matrix recognition
  • Return barcode data, including check digit, supplemental data, and function encoding
  • Detect background and foreground color value for the recognized barcode images
  • Return the accurate rotation angle of recognized barcode image
  • Return the accurate barcode width and height of recognized barcode image
  • Get the bounding rectangle of the barcode
  • Get error correction level of 2D barcodes
This document provides step-by-step tutorial and describes the available functionality such as read, detect linear, postal & 2D barcodes on documents and images using Yiigo.Image for.NET. Find more barcode reading tutorials on Barcode Reading Support for Visual C#.NET, VB.NET Barcode Reading, and Read Barcodes in .NET Winforms.
Read Barcodes on Web Image Viewer

Requirements

Before read barcode on the Web Image Viewer, make sure that you have installed.
  • Operating systems - Windows 7, Windows Vista, and Windows XP, etc
  • Compatible with .NET framework 2.0 and above versions
  • Support Visual Studio 2005, 2010 and other .NET development environments
  • Browser - IE7+, Firefox, Chrome, Safari
  • Yiigo.Image for .NET Setup
  • Yiigo .NET Barcode Plugin

Read a Barcode

  • Select a barcode on the document;
  • Right-click it and select "Barcode Reading";
  • Open the property table;
  • Select "Barcode Type";
  • Select "Check Digit Reading" if you want to read checksum;
  • Select "Supplement Data Reading" if barcode have one;
Note: Supplement Data Reading is available for UPC/EAN, ISSN, ISBN barcodes.

Read Barcode Property

  • Select a barcode on the document;
  • Right-click it and select "Barcode Reading";
  • Open the property table;
  • Select "BackColor" and "ForeColor" to read barcode color value;
  • Select "Rotate" to detect the accurate rotation angle of recognized barcode image;
  • Select "Width" and "Height" to detect the accurate barcode width and height of recognized barcode image.
Products
Other Plugins
Image Viewer CoreBarcode PluginPDF Read & WriteTesseract OCR PluginForm Processing PluginJBIG2 CodecJPEG2000 CodecISIS ScannerTwain ScannerDICOM ReaderCAD Scanner