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<div class="document" id="graphicsmagick-thanks">
<h1 class="title">GraphicsMagick Thanks</h1>

<!-- -*- mode: rst -*- -->
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<p>We would like to thank the following organizations or individuals who
may have not contributed code but contributed substantially in other
ways:</p>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><a class="reference internal" href="#fuzz-testing" id="id1">Fuzz Testing</a></li>
<li><a class="reference internal" href="#security-analysis-reports" id="id2">Security Analysis/Reports</a></li>
<li><a class="reference internal" href="#static-code-analysis" id="id3">Static Code Analysis</a></li>
<li><a class="reference internal" href="#software-analysis-tools" id="id4">Software Analysis Tools</a></li>
<li><a class="reference internal" href="#additional-acknowledgements" id="id5">Additional Acknowledgements</a></li>
</ul>
</div>
<div class="section" id="fuzz-testing">
<h1><a class="toc-backref" href="#id1">Fuzz Testing</a></h1>
<blockquote>
<ul class="simple">
<li>Gustavo Grieco</li>
<li>Agostino Sarubbo</li>
<li>Jodie Cunningham</li>
<li>Gynvael Coldwind and Mateusz Jurczyk of the Google Security Team</li>
<li>Hanno Böck</li>
<li>Tobias Ospelt</li>
<li>Michal Zalewski</li>
<li>Moshe Kaplan</li>
</ul>
</blockquote>
</div>
<div class="section" id="security-analysis-reports">
<h1><a class="toc-backref" href="#id2">Security Analysis/Reports</a></h1>
<blockquote>
<ul class="simple">
<li>John Lightsey</li>
<li>David Chan</li>
<li>Federico Larumbe</li>
<li>Petr Gajdos</li>
</ul>
</blockquote>
</div>
<div class="section" id="static-code-analysis">
<h1><a class="toc-backref" href="#id3">Static Code Analysis</a></h1>
<blockquote>
<ul class="simple">
<li><a class="reference external" href="http://www.synopsys.com/software/coverity/">Coverity</a> was used (free of charge) to perform static code
analysis of the software.  After resolving many issues, there are
now zero reported defects per 1000 lines of code.</li>
</ul>
</blockquote>
</div>
<div class="section" id="software-analysis-tools">
<h1><a class="toc-backref" href="#id4">Software Analysis Tools</a></h1>
<blockquote>
<ul class="simple">
<li><a class="reference external" href="http://lcamtuf.coredump.cx/afl/">American fuzzy lop</a> was used (by many) to produce and discover
many of the files which caused problems for the software.</li>
<li><a class="reference external" href="http://quickfuzz.org/">QuickFuzz</a> was used (by Gustavo Grieco) to discover issues in the
SVG renderer.  <a class="reference external" href="http://quickfuzz.org/">QuickFuzz</a> provides specific support for a set of
file formats and is very good at chasing down and isolating
weaknesses.</li>
<li><a class="reference external" href="https://code.google.com/p/address-sanitizer/">AddressSanitizer</a> (ASan) was used to detect and isolate memory
access issues.</li>
<li><a class="reference external" href="http://www.valgrind.org/">Valgrind</a> was used to detect and isolate memory access issues as
well as memory leaks.</li>
</ul>
</blockquote>
</div>
<div class="section" id="additional-acknowledgements">
<h1><a class="toc-backref" href="#id5">Additional Acknowledgements</a></h1>
<dl class="docutils">
<dt>David Pensak, E. I. du Pont de Nemours and Company</dt>
<dd>For providing the computing environment that made
developing ImageMagick possible.</dd>
<dt>Alexander Zimmermann</dt>
<dd>Responsible for the ImageMagick Linux binary
distributions for many years. His efforts are very much
appreciated.</dd>
<dt>Paul Heckbert, Carnegie Mellon University</dt>
<dd>Image resizing is based on Paul Heckbert's Zoom program.</dd>
<dt>Paul Raveling, USC Information Sciences Institute</dt>
<dd>The spatial subdivision color reduction algorithm is
based on his Img software.</dd>
<dt>Michael Halle, Spatial Imaging Group at MIT</dt>
<dd>For the initial implementation of Alan Paeth's image
rotation algorithm.</dd>
<dt>Peder Langlo, Hewlett Packard</dt>
<dd>Made hundreds of suggestions and bug reports. Without
Peder, this software would not be nearly as useful as it
is today.</dd>
<dt>Rod Bogart and John W. Peterson, University of Utah</dt>
<dd>Image compositing is loosely based on rlecomp of the
Utah Raster Toolkit.</dd>
<dt>Alvy Ray Smith and Eric Ray Lyons</dt>
<dd>HWB color transform and algorithm.</dd>
<dt>Thomas R Crimmins</dt>
<dd>Inventor of the eight hull algorithm used for speckle
reduction.</dd>
</dl>
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