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cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]189<h1>Module segment
190 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]191<p class="navigation-index">[<a href="#SegmentImage">SegmentImage</a>]</p>
192
cristy70b59b62011-02-07 19:09:57 +0000[diff] [blame]193<h2><a href="http://www.imagemagick.org/api/MagickCore/segment
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]194_8c.html" id="SegmentImage">SegmentImage</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]195<div class="doc-section">
196
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]197<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>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]198
199<p>The format of the SegmentImage method is:</p>
200
201<pre class="code">
202 MagickBooleanType SegmentImage(Image *image,
203 const ColorspaceType colorspace,const MagickBooleanType verbose,
204 const double cluster_threshold,const double smooth_threshold)
205</pre>
206
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]207<p>A description of each parameter follows.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]208
209<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]210<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]211
212<h5>colorspace</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]213<p>Indicate the colorspace.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]214
215<h5>verbose</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]216<p>Set to MagickTrue to print detailed information about the identified classes.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]217
218<h5>cluster_threshold</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]219<p>This represents the minimum number of pixels contained in a hexahedra before it can be considered valid (expressed as a percentage).</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]220
221<h5>smooth_threshold</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]222<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>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]223
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