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GdPicture.NET Hyper-Compression Technologies

The GdPicture.NET SDK delivers the best hyper-compression technologies, which can be adapted to any optimization context.
These technologies include, but are not limited to:


JBIG2 compression

Color Detection

Mixed Raster Content

JBIG2 Compression

The JBIG2 features support single and multipage JBIG2 format and adds support for compression in PDF documents. The encoding part is based on a constantly improved compression engine which can be used to compress image either in lossless or lossy mode.

Main Features

  • Read and write single and multiple page JBIG2 image.
  • Convert from more than 100 document formats to JBIG2.
  • Enhance PDF compression using the JBIG2Decode filter instead of CCITTFaxDecode.
  • Support for lossless compression.
  • Support for lossy compression with a very sophisticated pattern matching and substitution engine (based on full page layout analysis) to prevent as much as possible undesired substitutions.
  • Compress 2 – 5 times more than CCITT4.

Color Detection

Automatic color detection allows your applications to automatically detect the original color of documents scanned in color mode and convert the B/W and/or grayscale ones to the appropriate bpp (bits-per-pixel) encoding.
It allows users to develop applications...requiring automatic quality vs.size optimization for image files based on automatic identification of color.
Thus allowing preservation of image quality while considerably reducing the file size. By using Automatic Color Detection plugin, your application will be able to perform very fast and unattended optimizations of image and PDF archives.

Main Features

  • The Hyper-Compression Plugin includes JBIG2 encoding features. Learn more
  • Detects color scheme of a bitmap (bitonal, grayscale or color).
  • Acquires any kind of document from scanner and automatically applies most suitable color space.
  • AnyCPU: available in 32 bit and 64 bit versions.
  • Can work in multi-thread applications.

Mixed Raster Content Compression

MRC compression helps to produce better file compression by improving the document perception, especially with characters and shapes using continuous tones. It works on any kind of document including forms, photos, vectors, and more.

Main Features

  • Automatic quality adjustment of different layers.
  • Improve subsequent OCR process recognition speed and rate, if any.
  • Shape content distribution analysis to produce high-quality anti-aliased result (especially with text).
  • Automatic document cleanup with no perceptible data removal/alteration.
  • Efficient reconstruction of low-quality documents resulting in a better-quality output.
  • Adaptive learning of the input layout of the image/document.
  • Can process documents in any orientation with any skew level.
  • Automatically adjusts compression options based on the produced analysis metrics.
  • Fast processing.

Try our hyper-compression engine with your document

How to use

Download and install GdPicture.NET package from here.

You will find a compiled demo applications in
[Install directory]\Samples\Bin\

You will find C# and VB.NET demo applications including source code in
[Install directory]\Samples\WinForm\

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

GdPicture.NET - How to use

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