Publications |
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The following publication describing the QccPack software has appeared
in the technical literature. Please cite this paper in your own
publications if you use QccPack in your research endeavors.
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J. E. Fowler,
"QccPack: An Open-Source Software Library for
Quantization, Compression, and Coding,"
in Applications of Digital Image Processing XXIII,
(A. G. Tescher, ed.), (San Diego, CA), Proc. SPIE 4115,
pp. 294–301, August 2000.
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Abstract:
We describe
the QccPack software package, an open-source
collection of library routines and utility programs
for quantization, compression, and coding of data.
QccPack is being written
to expedite data-compression research and development by
providing general and reliable implementations
of common compression techniques.
Functionality of the current release includes
entropy coding, scalar quantization, vector quantization,
adaptive vector quantization, wavelet transforms and
subband coding, error-correcting codes, image-processing support,
and general vector-math, matrix-math, file-I/O, and error-message
routines.
All QccPack functionality is accessible via library calls; additionally,
many utility programs provide command-line access.
The QccPack software package, downloadable free of charge from
the QccPack Web page,
is published under the terms of the GNU General Public
License and the GNU Library General Public License
which guarantee source-code access and as well as
allow redistribution and modification.
Additionally, there exist optional modules
that implement certain patented algorithms.
These modules are downloadable separately
and are typically issued under licenses that permit only
non-commercial use.
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Text:
Last update: 11-sep-2003