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IMG* Image Processing Toolset and C Library.

The ImgStar Image Processing Tools are intended as a complete environment for image processing to compliment Jef Poskanzer's pbmplus toolkit which mostly provides conversion between different standard file formats. All 70 ImgStar tools use a similar UNIX command line invocation style which includes a self documenting "-h" option. Images are piped between operators, each of which provides some filtering transformation.

Tools are included that implement arithmetic and logical operations; magnify, crop and subsample; implement edge detection (e.g. Canny); allow custom space-domain or frequency-domain convolution; include high-pass, low-pass, band-pass, rank-value, difference-of-Gaussians and Gabor filtering; generate test images and implement differential or vector operations e.g. gradient, derivatives, Laplacian. There are also a variety of miscellaneous tools e.g. thresholding, zero-crossing detection, and calculation of image statistics.

Package version:1.1-2



              IMG* Image Processing Toolset and C Library

                        Version 1.1 (Nov 1994)

                   Copyright 1994 Simon A.J. Winder
                         All Rights Reserved



imgstar (1.1-2) non-free; urgency=low

  * Corrected distribution ('nonfree' to 'non-free')

 -- Karl Sackett <>  Mon, 23 Dec 1996 10:52:18 -0600

imgstar (1.1-1) nonfree; urgency=low

  * First Debian release.
  * ToolsSrc/Makefile: looks for X libraries in /usr/X11R6/lib.

 -- Karl Sackett <>  Tue, 17 Dec 1996 10:37:59 -0600

Local variables:
mode: debian-changelog


This is the Debian GNU/Linux prepackaged version of imgstar.

This package was put together by Karl Sackett <>,
from sources obtained from:


              IMG* Image Processing Toolset and C Library

                   Copyright 1994 Simon A.J. Winder
                         All Rights Reserved


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