Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / external / ImageMagick / 361f466252829e451b0a9be67af839062905d809 / . / www / api / segment.html
blob: a0e9c8a0db5ed0cc4c6be146875d714048546968 [file] [log] [blame]
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
2 "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" dir="ltr">
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]4<head>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
6 <meta name="verify-v1" content="g222frIIxcQTrvDR3NBRUSKP3AnMNoqxOkIniCEkV7U="/>
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]7 <title>ImageMagick: MagickCore, C API for ImageMagick: Segment an Image with Thresholding Fuzzy c-Means</title>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]8 <meta http-equiv="Content-Language" content="en-US"/>
9 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
10 <meta http-equiv="Reply-to" content="magick-users@imagemagick.org"/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]11 <meta name="Application-name" content="ImageMagick"/>
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]12 <meta name="Description" content="ImageMagick is a software suite to create, edit, compose, or convert bitmap images in a variety of formats. Use ImageMagick to scale, rotate, shear, distort and transform images."/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]13 <meta name="Application-url" content="http://www.imagemagick.org"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]14 <meta name="Generator" content="PHP"/>
15 <meta name="Keywords" content="magickcore, c, api, for, imagemagick:, segment, an, image, with, thresholding, fuzzy, c-means, ImageMagick, ImageMagic, MagickCore, MagickWand, PerlMagick, Magick++, RMagick, PythonMagick, JMagick, TclMagick, Image, Magick, Magic, Wand, ImageMagickObject, Swiss, Army, Knife, Image, Processing"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]16 <meta name="Rating" content="GENERAL"/>
17 <meta name="Robots" content="INDEX, FOLLOW"/>
18 <meta name="Generator" content="ImageMagick Studio LLC"/>
19 <meta name="Author" content="ImageMagick Studio LLC"/>
20 <meta name="Revisit-after" content="2 DAYS"/>
21 <meta name="Resource-type" content="document"/>
cristy4103d562010-12-10 01:38:54 +0000[diff] [blame]22 <meta name="Copyright" content="Copyright (c) 1999-2011 ImageMagick Studio LLC"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]23 <meta name="Distribution" content="Global"/>
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]24 <link rel="icon" href="../../images/wand.png"/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]25 <link rel="shortcut icon" href="../../images/wand.ico" type="images/x-icon"/>
26 <link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>
27 <style type="text/css" media="all">
28 @import url("../../www/magick.css");
29 </style>
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]30 <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
cristy361f4662010-12-31 23:02:52 +0000[diff] [blame^]31 <script type="text/javascript" src="../fancybox/jquery.fancybox-1.3.4.pack.js"></script>
32 <link rel="stylesheet" type="text/css" href="../fancybox/jquery.fancybox-1.3.4.css" media="screen" />
33 <script type="text/javascript">
34 $(document).ready(function() {
35 $("a[href$=.jpg],a[href$=.png],a[href$=.gif]").fancybox({
36 'transitionIn' : 'elastic',
37 'transitionOut' : 'elastic',
38 'overlayShow' : false,
39 'opacity' : true
40 });
41 });
42 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]43</head>
44
45<body id="www-imagemagick-org">
46<div class="titlebar">
47<a href="../../index.html">
48 <img src="../../images/script.png" alt="[ImageMagick]"
49 style="width: 350px; height: 60px; margin: 28px auto; float: left;" /></a>
50<a href="http://www.networkredux.com">
51 <img src="../../images/networkredux.png" alt="[sponsor]"
52 style="margin: 45px auto; border: 0px; float: left;" /></a>
53<a href="http://www.imagemagick.org/discourse-server/">
54 <img src="../../images/logo.jpg" alt=""
55 style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
56<a href="../../index.html">
57 <img src="../../images/sprite.jpg" alt=""
58 style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
59</div>
60
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]61<div class="westbar">
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]62
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]63<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]64 <a title="About ImageMagick" href="../../index.html">About ImageMagick</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]65</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]66<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]67<div class="menu">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]68 <a title="Binary Releases" href="../../www/binary-releases.html">Binary Releases</a>
69</div>
70<div class="sub">
71 <a title="Binary Release: Unix" href="../../www/binary-releases.html#unix">Unix</a>
72</div>
73<div class="sub">
74 <a title="Binary Release: MacOS X" href="../../www/binary-releases.html#macosx">Mac OS X</a>
75</div>
76<div class="sub">
77 <a title="Binary Release: Windows" href="../../www/binary-releases.html#windows">Windows</a>
78</div>
79<div class="sep"></div>
80<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]81 <a title="Command-line Tools" href="../../www/command-line-tools.html">Command-line Tools</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]82</div>
83<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]84 <a title="Command-line Tools: Processing" href="../../www/command-line-processing.html">Processing</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]85</div>
86<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]87 <a title="Command-line Tools: Options" href="../../www/command-line-options.html">Options</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]88</div>
89<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]90 <a title="Command-line Tools: Usage" href="http://www.imagemagick.org/Usage/">Usage</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]91</div>
92<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]93 <a title="Program Interfaces" href="../../www/api.html">Program Interfaces</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]94</div>
95<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]96 <a title="Program Interface: MagickWand" href="../../www/magick-wand.html">MagickWand</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]97</div>
98<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]99 <a title="Program Interface: MagickCore" href="../../www/magick-core.html">MagickCore</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]100</div>
101<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]102 <a title="Program Interface: PerlMagick" href="../../www/perl-magick.html">PerlMagick</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]103</div>
104<div class="sub">
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]105 <a title="Program Interface: Magick++" href="../../www/magick++.html">Magick++</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]106</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]107<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]108<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]109 <a title="Install from Source" href="../../www/install-source.html">Install from Source</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]110</div>
111<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]112 <a title="Install from Source: Unix" href="../../www/install-source.html#unix">Unix</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]113</div>
114<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]115 <a title="Install from Source: Windows" href="../../www/install-source.html#windows">Windows</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]116 </div>
117<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]118 <a title="Resources" href="../../www/resources.html">Resources</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]119</div>
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]120<div class="menu">
121 <a title="Architecture" href="../../www/architecture.html">Architecture</a>
122</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]123<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]124 <a title="Download" href="../../www/download.html">Download</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]125</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]126<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]127<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]128 <a title="Search" href="../http://www.imagemagick.org/script/search.php">Search</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]129</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]130<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]131<div class="menu">
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]132 <a title="Site Map" href="../../www/sitemap.html">Site Map</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]133</div>
134<div class="sub">
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]135 <a title="Site Map: Links" href="../../www/links.html">Links</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]136</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]137<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]138<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]139 <a title="Sponsors" href="../../www/sponsors.html">Sponsors:</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]140
141<div class="sponsbox">
142<div class="sponsor">
cristy361f4662010-12-31 23:02:52 +0000[diff] [blame^]143 <a title="Sponsor: alaTest.com" href="http://alatest.com">alaTest.com</a><!-- 20110801000300 -->
cristya6d7cf72010-11-07 15:58:34 +0000[diff] [blame]144</div>
145<div class="sponsor">
cristy7d52cd62010-10-01 17:26:59 +0000[diff] [blame]146 <a title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 -->
cristy73fd1cd2010-09-12 19:14:25 +0000[diff] [blame]147</div>
148<div class="sponsor">
cristyc5baf4f2010-08-31 15:05:33 +0000[diff] [blame]149 <a title="Sponsor: Image Converter" href="http://www.batchphoto.com">Image Converter</a><!-- 201103010900 Bits Coffee-->
150</div>
151<div class="sponsor">
cristy851dbce2010-08-06 21:40:00 +0000[diff] [blame]152 <a title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter-->
153</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]154</div>
155</div>
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]156</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]157
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]158<div class="eastbar">
159 <script type="text/javascript">
160 <!--
161 google_ad_client = "pub-3129977114552745";
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]162 google_ad_slot = "0574824969";
163 google_ad_width = 160;
164 google_ad_height = 600;
165 //-->
166 </script>
167 <script type="text/javascript"
168 src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
169 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]170</div>
171
172<div class="main">
173
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]174<h1>Module segment
175 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]176<p class="navigation-index">[<a href="#SegmentImage">SegmentImage</a>]</p>
177
178<h2><a href="http://www.imagemagick.org/api/MagickCore/segment
179_8c.html" target="source" name="SegmentImage">SegmentImage</a></h2>
180<div class="doc-section">
181
182<p>SegmentImage() segment an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy C-means technique.</p></ol>
183
184<p>The format of the SegmentImage method is:</p>
185
186<pre class="code">
187 MagickBooleanType SegmentImage(Image *image,
188 const ColorspaceType colorspace,const MagickBooleanType verbose,
189 const double cluster_threshold,const double smooth_threshold)
190</pre>
191
192<p>A description of each parameter follows.</p></ol>
193
194<h5>image</h5>
195<ol><p>the image.</p></ol>
196
197<h5>colorspace</h5>
198<ol><p>Indicate the colorspace.</p></ol>
199
200<h5>verbose</h5>
201<ol><p>Set to MagickTrue to print detailed information about the identified classes.</p></ol>
202
203<h5>cluster_threshold</h5>
204<ol><p>This represents the minimum number of pixels contained in a hexahedra before it can be considered valid (expressed as a percentage).</p></ol>
205
206<h5>smooth_threshold</h5>
207<ol><p>the smoothing threshold eliminates noise in the second derivative of the histogram. As the value is increased, you can expect a smoother second derivative.</p></ol>
208
209 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]210
211</div>
212
213<div id="linkbar">
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]214 <span id="linkbar-west">&nbsp;</span>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]215 <span id="linkbar-center">
216 <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> &bull;
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]217 <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]218 </span>
219 <span id="linkbar-east">&nbsp;</span>
220 </div>
221 <div class="footer">
cristy4103d562010-12-10 01:38:54 +0000[diff] [blame]222 <span id="footer-west">&copy; 1999-2011 ImageMagick Studio LLC</span>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]223 <span id="footer-east"> <a href="../http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span>
224 </div>
225 <div style="clear: both; margin: 0; width: 100%; "></div>
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]226 <script type="text/javascript">
227 var _gaq = _gaq || [];
228 _gaq.push(['_setAccount', 'UA-17690367-1']);
229 _gaq.push(['_trackPageview']);
230
231 (function() {
232 var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
233 ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
234 var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
235 })();
236 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]237</body>
238</html>