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Image Correction Filters

Tired of looking for an additional library to correct the barcode input? With IronBarcode you can do all of it within the library itself, saving you time and frustration with working on integrating with more dependencies.

Image Correction Filters

Apply adaptive thresholding to improve barcode scannability for data input with varying intensities.

Apply binary thresholding to improve barcode scannability. Can apply either with a simple threshold or with Otsu's threshold.

Make the data input brighter and more visible.

Set the contrast to enhance visual clarity.

Invert the colors of the image to enhance details and improve scannability for inverted barcodes.

Sharpen the data input to enhance visual clarity.

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C# NuGet Library for PDF
Install with NuGet

Version: 2026.10

PM > Install-Package BarCode
nuget.org/packages/BarCode/
  1. In Solution Explorer, right-click References, Manage NuGet Packages
  2. Select Browse and search "IronBarCode"
  3. Select the package and install
C# PDF DLL
Download DLL

Version: 2026.10

  1. Download and unzip IronBarCode to a location such as ~/Libs within your Solution directory
  2. In Visual Studio Solution Explorer, right click References. Select Browse, "IronBarCode.dll"

Licenses from $999