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GdPicture QR-Code Barcode Recognition Plugin

Royalty-Free QR-Code Barcode Reader For GdPicture.NET 8 SDK

GdPicture QR-Code Barcode Recognition Plugin is a low-cost, fast, accurate and royalty-free QR-Code Barcode Reader Engine for developing applications using GdPicture.NET SDK.

Add to your document processing applications, the ability to detect and decode 2D QR-Code barcodes in more than 90 document formats, including Bitmap, Metafile and PDF. Read linear barcodes from any source such as stream, file, scanned image, clipboard, http, ftp...


  • Detects and read QR-Code in more than 90 different image formats, including PDF*.
  • Read multiple QR-Code barcodes from black & white, grayscale, paletized and color images.
  • Returns the string value of each QR-Code barcode recognized.
  • Returns the bounding box of each QR-Code barcode. -> top-left, top-right, bottom-left & bottom-right points.
  • Returns the confidence of each QR-Code barcode.
  • Returns the version of each QR-Code barcode.
  • Read QR-Code barcode on a full page or on a region of interest.
  • Support for ECC error correction algorithm to recognize partially destroyed symbols.
  • Fast, accurate & easy to use.
  • Royalty-free licensing: no distribution license required for server or desktop.
  • Strong named and digitally signed library.
  • Working on any Microsoft Windows operating system from Windows 2000 to Windows 7 !
  • Available in 32 bit & 64 bit version.
  • Can work in multi-thread applications (thread-safe).
  • * Barcode detection from PDF also requires a license of the GdPicture Managed PDF Plugin



Where can I use or evaluate the GdPicture QR-Code Barcode Recognition Plugin?


The binaries of this plugin are included withi the GdPicture.NET SDK
By downloading one of these SDKs, you can use or evaluate the GdPicture QR-Code Barcode Recognition Plugin.
You can get a one month trial KEY here. You can also purchase licenses here.
The plugin will need to be unlocked: see "How do I unlock the GdPicture QR-Code Barcode Recognition Plugin".



How do I unlock the GdPicture QR-Code Barcode Recognition Plugin?


You have to create a LicenseManager object, then call the RegisterKey() method with your Plugin license key.
 I.E:

Dim LicMgr As New LicenseManager

LicMgr.RegisterKEY(MY_PLUGIN_KEY)





What is the minimum image resolution to get reasonable accuracy?


The minimum image resolution is about 150 DPI. Below 150 DPI, accurate results decrease dramatically.



How do I perform QR-Code barcode recognition on a specific zone of an image?


1- Load the image (see your toolkit reference guide).
2- Define the zone (also called region of interest) using the SetROI() method.
    I.E., Object.SetRoi(100,100,250,50)
3- Perform the barcode recognition using the BarcodeQRReaderDoScan() method.


QR-Code Barcode Recognition Plugin For GdPicture.NET 8



License Price/License (USD)
1 Developer 499.00
2 Developers 648.70 package
4 Developers 998.00 package
8 Developer 1497.00 package
Site license 1996.00 site
Site worldwide license 4990.00 worldwide
Select your license type and total cost:



All licenses include royalty-free distribution with your application or system.
License price is the same for server- or desktop- deployment, we do not charge extra fee for server deployment.
Software license key will continue to be valid for all future 8.X versions of GdPicture.NET with free upgrades.


GdPicture.NET Licensing


Per developer licenses: This license type entitles the specified number of developer/build machine at a single physical address to write software with access to GdPicture.NET.

Site License: This license entitles an unlimited number of developers of the same organization at a single physical address to write software with access to GdPicture.NET.

Worldwide Site License: This license entitles an unlimited number of developers of the same organization at unlimited physical addresses to write software with access to GdPicture.NET.