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GdPicture.NET Document Image Processing: Overview

GdPicture SDKs include several sophisticated document imaging filters to repair and enhance the quality of digital documents whether they are bitonal or colored.
These filters are, for example, useful for better and faster OCR / OMR / Barcode detection processing and to reduce the size of the document produced.

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Document Image Processing

Document Image Processing tools


  • Auto-deskew or easily retrieve the skew angle of an image.
  • Automatic punch hole removal.
  • Automatic blob removal.
  • Automatic text invert.
  • Automatic invert negative documents.
  • Forms dropout.
  • Automatic white borders removal.
  • Automatic black border removal.
  • Automatic border removal (detects any color).
  • Sophisticated lines removal filter.
  • Page orientation detection.
  • Noise removal filters.
  • Blank page detection.
  • Page color detection (bitonal, grayscale, color, or indexed color).

Punch Holes Removing

How to use

How to use

Download and install GdPicture.NET package from here.

You will be able to find some compiled demo applications in [Install directory]\samples\Bin\

You will be able to find C# and VB.NET demo applications including source code in [Install directory]\samples\AnyCPU\

You will find other code snippets within the online reference guide found here

You can find some discussions about TIFF manipulation in the dedicated Image Processing section of our community forums located here

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