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Special Forums News, Links, Events and Announcements Software Releases - RSS News ExactImage 0.6.8 (Default branch)
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Old 12-13-2008
ExactImage 0.6.8 (Default branch)
ExactImage is a fast C++ image processing library.Unlike ImageMagick, it allows operation in severalcolor spaces and bit depths natively, resulting inmuch lower memory and computational requirements.Some optimized algorithms operate in 1/20 of thetime ImageMagick requires, and displaying largeimages can be as fast as 1/10 of the time the"display" program takes.License: GNU General Public License (GPL)Changes:
The PDF codec was improved for lossless embedding of JPEG data (without recompression). It was also improved to pass remaining compression arguments down to the image codecs to control the actual image format in finer detail. The PNM decoder was improved to accept more esoteric whitespace combinations in the header. The Data Dependant Triangulation scale was ported to the new image iterator. The optimized orthogonal rotate now works for more image depths. The embedded dcraw code was updated to version 8.89.Image

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optimize2bw

OPTIMIZE2BW(1)							 ExactImage Manual						    OPTIMIZE2BW(1)

NAME

       optimize2bw - automatic thresholder of the ExactImage toolkit

SYNOPSIS

       optimize2bw [option...] {-i | --input} input-file  {-o | --output} output-file

       optimize2bw --help

DESCRIPTION

       ExactImage is a fast C++ image processing library. Unlike many other library frameworks it allows operation in several color spaces and bit
       depths natively, resulting in low memory and computational requirements.

       optimize2bw reads image files and performs automatic thresholding and optional scaling on the data. It is useful for long term archiving of
       documents that have to be stored in sub-byte black and white data to reduce storage requirements.

OPTIONS

       -i file, --input file
	   Read image from the specified file.

       -o file, --output file
	   Save output image to the specified file.

       -n, --denoise
	   Remove ("denoise") single bit pixel noise.

       -d n, --dpi n
	   Scale the image to the specified resolution.

       -h n, --high n
	   Set high normalization value.

       -l n, --low n
	   Set low normalization value.

       -r n, --radius n
	   Set "unsharp mask" radius. The default is 0.

       -s n, --scale n
	   Set output scale factor. The default is 1.0.

       -sd x, --standard-deviation x
	   Set standard deviation for Gaussian distribution. The default is 0.0.

       -t n, --threshold n
	   Set threshold value. The default is 0.

       --help
	   Display help text and exit.

EXAMPLES

	   $ optimize2bw -i logo.jpg -o logo.tif
	   Scale: 0

SEE ALSO

       exactimage(7)

AUTHORS

       Jakub Wilk <jwilk@debian.org>
	   Wrote this manual page for the Debian system.

       http://www.exactcode.de/site/open_source/exactimage/
	   This manual page incorporates texts found on the ExactImage homepage.

COPYRIGHT

       This manual page was written for the Debian system (and may be used by others).

       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or (at
       your option) any later version published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-2.

optimize2bw							    09/09/2013							    OPTIMIZE2BW(1)