Ghostscript® Receives U.S. Patent for Graphic Object Dependent Color Management Technology

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Invention allows leading PDL interpreter software to provide much-improved image viewing experience and control for wide range of devices.

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This is a significant advancement in color management that will yield a much improved viewing experience that is beneficial to any company producing devices for delivering images, such as printers, televisions and projectors.

Artifex Software, developer of Ghostscript, today announced it has received a patent from the United States Patent and Trademark Office for its proprietary object-based color handling technology, Graphic Object Dependent Color Management Technology. This newly patented technology may be integrated into devices designed to render or project images, graphics and texts contained on the same page, resulting in a vastly enhanced viewing experience.

“This new patent for Ghostscript technology reinforces our long-standing heritage as a leader in rendering and conversion language software,” said Miles Jones, President of Artifex Software. “This is a significant advancement in color management that will yield a much improved viewing experience that is beneficial to any company producing devices for delivering images, such as printers, televisions and projectors. We are extremely proud of our engineering team for continuing to improve Ghostscript, serve our customers and demonstrate our technical leadership.”

Graphic Object Dependent Color Management technology provides significant flexibility for controlling color and optimizes output based upon the different graphic object types within a page. Output for vector graphics, images and text can be individually (and differently) tuned even when mixed on the same page in real-time. This enables extraordinary deep black for text, accurate colors for images, and saturated colors for vector graphics, all of which contribute to improved color reproduction and rendering quality.

Internally, Ghostscript uses an ICC-based workflow for color management where all color spaces are defined in terms of ICC profiles. Ghostscript provides a simple API for interfacing with Color Management Modules (CMMs), enabling customers to use their existing CMM with Ghostscript.

View the full patent on the USPTO site. For more detailed information on color-handling in Ghostscript, please see these additional resources:

  •     Graphic Object Dependent Color Management – A fundamental data sheet on Ghostscript color management.
  •     Ghostscript Color Management – A white paper providing more detail regarding the patented color architecture in Ghostscript. The document is suitable for users who wish to obtain accurate color with their output device as well as for developers who wish to customize Ghostscript to achieve a higher level of control and/or interface with a different CMM.

Ghostscript is a Page Description Language (PDL) Interpreter and industry leader in PDF, PostScript, PCL, and XPS rendering and conversion. First released in 1991 as a freely available open source alternative to Adobe’s PostScript products, Ghostscript has grown to be widely recognized as a premiere independent implementation of all the leading PDLs, offering the most comprehensive set of PDL interpreters for rendering or conversion available on the market today. A highly customizable solution that runs on all major operating systems, Ghostscript has been deployed on a full range of host-based and cloud solutions. Small and highly versatile, over 2,000 customer years of operational testing and delivery has refined Ghostscript into one of the most widely used and trusted software solutions available.

Artifex Software is the exclusive commercial licensing agent for Ghostscript software. Click on these links to learn more about Ghostscript and licensing opportunities.

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About Artifex Software
Artifex Software is a trusted partner and provider of core technologies for document handling and management. For over 20 years we have provided premiere software products to top level global customers.  The list of global customers/partners who depend on Artifex technology comprises a who’s who in technology products and services, including HP, EMC, Kyocera, Ricoh, Adobe, IBM, Intel, Xerox, Google, Ernst & Young, Dropbox, BlackBerry, Siemens, LG Electronics and many more. Our major product offerings include SmartOffice (mobile document productivity suite for viewing, editing, creating and printing MS Office documents and related files), Ghostscript (PDL Interpreter that is an industry leader in PDF, PostScript, PCL, and XPS rendering and conversion) and MuPDF (lightweight PDF and XPS interpreter that offers all the interactive features for PDF). Artifex is headquartered in San Rafael, CA, with offices in North America, Europe and Asia. For more information, please visit our website at http://www.artifex.com.

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Ted Simon
@Artifex
since: 01/2017
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