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25 January 2011 A GPU accelerated PDF transparency engine
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Proceedings Volume 7872, Parallel Processing for Imaging Applications; 78720T (2011)
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States
As commercial printing presses become faster, cheaper and more efficient, so too must the Raster Image Processors (RIP) that prepare data for them to print. Digital press RIPs, however, have been challenged to on the one hand meet the ever increasing print performance of the latest digital presses, and on the other hand process increasingly complex documents with transparent layers and embedded ICC profiles. This paper explores the challenges encountered when implementing a GPU accelerated driver for the open source Ghostscript Adobe PostScript and PDF language interpreter targeted at accelerating PDF transparency for high speed commercial presses. It further describes our solution, including an image memory manager for tiling input and output images and documents, a PDF compatible multiple image layer blending engine, and a GPU accelerated ICC v4 compatible color transformation engine. The result, we believe, is the foundation for a scalable, efficient, distributed RIP system that can meet current and future RIP requirements for a wide range of commercial digital presses.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John Recker, I-Jong Lin, and Ingeborg Tastl "A GPU accelerated PDF transparency engine", Proc. SPIE 7872, Parallel Processing for Imaging Applications, 78720T (25 January 2011);


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