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Cartesian Perceptual Compression (CPC) is emerging as an alternative
to CCITT Group 4 compression as it provides higher compression
ratios for storing 1-bit TIFF images for faster downloads and
smaller storage requirements.
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Research Libraries Group DigiNews
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The reduction in document size provided by CPC compression
permits us to offer the highest level of service to our clients, and the
system of visualization is perfect.
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Rubén Sánchez Peña,
DIVULNET s.l.
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This dramatic reduction in file size could enable an entirely new breed
of imaging applications, due to the commensurate
reductions in transmission costs, download times, and publication costs.
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Ira Fuchs, Chief Scientist of JSTOR, Inc.
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The Cartesian Perceptual Compression (CPC)
format was developed in the early 1990's in response to
bandwidth limitations that were preventing the introduction of
network-based electronic libraries. By using adaptive perceptual
filters based on the dynamics of the human visual system, the CPC
algorithm is able to reduce images to as much as 1/30th the size of
the corresponding TIFF files -- with no loss in image fidelity. In
fact, in blind
tests of subjective image quality run by the International Organization for Standardization
(ISO), subjects actually preferred CPC compressed images over the
original images.
CPC Tool and the CPC format
are currently in use in a variety of products and services,
encompassing a broad range of applications including Internet fax services,
document distribution, educational assistance, and electronic libraries.
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the best tiff viewer I've found is the Cartesian CPC Viewer... well worth the price.
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Jillayne Schlicke, First American Title
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I have been evaluating CPC View for my company's online
service and we are quite impressed by the depth and breadth of
functionality that you've incorporated.
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Rob Tran, Virtual Expat
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Cartesian's popular CPC View imaging software provides
efficient, intuitive, and powerful imaging capabilities for tens of
thousands of users worldwide. With its unrivaled combination of
quality, features, and cost, CPC View is the smart solution for
corporate imaging needs around the world. Our corporate clients are
drawn from a diverse spectrum of business and industrial interests
including many of the world's largest companies.
CPC View was awarded the prestigious
Five Star Editors' Pick
by ZDNet.
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