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cristy29f2c972015-07-28 13:37:46 +0000[diff] [blame]9 <title>ImageMagick: MagickCore, C API for ImageMagick: Fourier Transform</title>
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Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]55<p class="text-center"><a href="fourier.html#ComplexImages">ComplexImages</a> &#8226; <a href="fourier.html#ForwardFourierTransformImage">ForwardFourierTransformImage</a> &#8226; <a href="fourier.html#InverseFourierTransformImage">InverseFourierTransformImage</a></p>
cristy06f63f22012-10-31 00:50:07 +0000[diff] [blame]56
Cristye93be682015-11-26 09:07:51 -0500[diff] [blame]57<h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="ComplexImages">ComplexImages</a></h2>
cristycecc9492015-06-09 16:53:50 +0000[diff] [blame]58
59<p>ComplexImages() performs complex mathematics on an image sequence.</p>
60
61<p>The format of the ComplexImages method is:</p>
62
63<pre class="text">
cristye1319bc2015-07-28 15:36:26 +0000[diff] [blame]64MagickBooleanType ComplexImages(Image *images,const ComplexOperator op,
65 ExceptionInfo *exception)
cristycecc9492015-06-09 16:53:50 +0000[diff] [blame]66</pre>
67
68<p>A description of each parameter follows:</p>
69
70<dd>
71</dd>
72
73<dd> </dd>
74<dl class="dl-horizontal">
75<dt>image</dt>
76<dd>the image. </dd>
77
78<dd> </dd>
79<dt>op</dt>
80<dd>A complex op. </dd>
81
82<dd> </dd>
83<dt>exception</dt>
84<dd>return any errors or warnings in this structure. </dd>
85
86<dd> </dd>
87</dl>
Cristye93be682015-11-26 09:07:51 -0500[diff] [blame]88<h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="ForwardFourierTransformImage">ForwardFourierTransformImage</a></h2>
cristycecc9492015-06-09 16:53:50 +0000[diff] [blame]89
90<p>ForwardFourierTransformImage() implements the discrete Fourier transform (DFT) of the image either as a magnitude / phase or real / imaginary image pair.</p>
91
92<p>The format of the ForwadFourierTransformImage method is:</p>
93
94<pre class="text">
95Image *ForwardFourierTransformImage(const Image *image,
96 const MagickBooleanType modulus,ExceptionInfo *exception)
97</pre>
98
99<p>A description of each parameter follows:</p>
100
101<dd>
102</dd>
103
104<dd> </dd>
105<dl class="dl-horizontal">
106<dt>image</dt>
107<dd>the image. </dd>
108
109<dd> </dd>
110<dt>modulus</dt>
111<dd>if true, return as transform as a magnitude / phase pair otherwise a real / imaginary image pair. </dd>
112
113<dd> </dd>
114<dt>exception</dt>
115<dd>return any errors or warnings in this structure. </dd>
116
117<dd> </dd>
118</dl>
Cristye93be682015-11-26 09:07:51 -0500[diff] [blame]119<h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="InverseFourierTransformImage">InverseFourierTransformImage</a></h2>
cristycecc9492015-06-09 16:53:50 +0000[diff] [blame]120
121<p>InverseFourierTransformImage() implements the inverse discrete Fourier transform (DFT) of the image either as a magnitude / phase or real / imaginary image pair.</p>
122
123<p>The format of the InverseFourierTransformImage method is:</p>
124
125<pre class="text">
126Image *InverseFourierTransformImage(const Image *magnitude_image,
127 const Image *phase_image,const MagickBooleanType modulus,
128 ExceptionInfo *exception)
129</pre>
130
131<p>A description of each parameter follows:</p>
132
133<dd>
134</dd>
135
136<dd> </dd>
137<dl class="dl-horizontal">
138<dt>magnitude_image</dt>
139<dd>the magnitude or real image. </dd>
140
141<dd> </dd>
142<dt>phase_image</dt>
143<dd>the phase or imaginary image. </dd>
144
145<dd> </dd>
146<dt>modulus</dt>
147<dd>if true, return transform as a magnitude / phase pair otherwise a real / imaginary image pair. </dd>
148
149<dd> </dd>
150<dt>exception</dt>
151<dd>return any errors or warnings in this structure. </dd>
152
153<dd> </dd>
154</dl>
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