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| <h1>Module fourier Methods</h1> |
| <p class="navigation-index">[<a href="fourier.php#ForwardFourierTransformImage">ForwardFourierTransformImage</a> • <a href="fourier.php#InverseFourierTransformImage">InverseFourierTransformImage</a>]</p> |
| |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="ForwardFourierTransformImage">ForwardFourierTransformImage</a></h2> |
| <div class="doc-section"> |
| |
| <p>ForwardFourierTransformImage() implements the discrete Fourier transform (DFT) of the image either as a magnitude / phase or real / imaginary image pair.</p> |
| |
| <p>The format of the ForwadFourierTransformImage method is:</p> |
| |
| <pre class="code"> |
| Image *ForwardFourierTransformImage(const Image *image, |
| const MagickBooleanType modulus,ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>modulus</h5> |
| <p>if true, return as transform as a magnitude / phase pair otherwise a real / imaginary image pair.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="InverseFourierTransformImage">InverseFourierTransformImage</a></h2> |
| <div class="doc-section"> |
| |
| <p>InverseFourierTransformImage() implements the inverse discrete Fourier transform (DFT) of the image either as a magnitude / phase or real / imaginary image pair.</p> |
| |
| <p>The format of the InverseFourierTransformImage method is:</p> |
| |
| <pre class="code"> |
| Image *InverseFourierTransformImage(const Image *magnitude_image, |
| const Image *phase_image,const MagickBooleanType modulus, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>magnitude_image</h5> |
| <p>the magnitude or real image.</p> |
| |
| <h5>phase_image</h5> |
| <p>the phase or imaginary image.</p> |
| |
| <h5>modulus</h5> |
| <p>if true, return transform as a magnitude / phase pair otherwise a real / imaginary image pair.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| |
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