<!DOCTYPE html> <html lang="en"> <head> <title>ImageMagick: MagickCore, C API for ImageMagick: Fourier Transform</title> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <meta name="application-name" content="ImageMagick"/> <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. 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</script> <nav class="magick-nav"> <a class="magick-nav-item " href="../index.html">Home</a> <a class="magick-nav-item " href="../binary-releases.html">Download</a> <a class="magick-nav-item " href="../command-line-tools.html">Tools</a> <a class="magick-nav-item " href="../command-line-processing.html">Command-line</a> <a class="magick-nav-item " href="../resources.html">Resources</a> <a class="magick-nav-item " href="api.html">Develop</a> <a class="magick-nav-item " href="http://www.imagemagick.org/script/search.php">Search</a> <a class="magick-nav-item pull-right" href="https://www.imagemagick.org/discourse-server/">Community</a> </nav> </div> </div> <div class="container"> <div class="magick-header"> <p class="text-center"><a href="fourier.html#ComplexImages">ComplexImages</a> • <a href="fourier.html#ForwardFourierTransformImage">ForwardFourierTransformImage</a> • <a href="fourier.html#InverseFourierTransformImage">InverseFourierTransformImage</a></p> <h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="ComplexImages">ComplexImages</a></h2> <p>ComplexImages() performs complex mathematics on an image sequence.</p> <p>The format of the ComplexImages method is:</p> <pre class="text"> MagickBooleanType ComplexImages(Image *images,const ComplexOperator op, ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>image</dt> <dd>the image. </dd> <dd> </dd> <dt>op</dt> <dd>A complex operator. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> <h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="ForwardFourierTransformImage">ForwardFourierTransformImage</a></h2> <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="text"> Image *ForwardFourierTransformImage(const Image *image, const MagickBooleanType modulus,ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>image</dt> <dd>the image. </dd> <dd> </dd> <dt>modulus</dt> <dd>if true, return as transform as a magnitude / phase pair otherwise a real / imaginary image pair. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> <h2><a href="http://www.imagemagick.org/api/MagickCore/fourier_8c.html" id="InverseFourierTransformImage">InverseFourierTransformImage</a></h2> <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="text"> Image *InverseFourierTransformImage(const Image *magnitude_image, const Image *phase_image,const MagickBooleanType modulus, ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>magnitude_image</dt> <dd>the magnitude or real image. </dd> <dd> </dd> <dt>phase_image</dt> <dd>the phase or imaginary image. </dd> <dd> </dd> <dt>modulus</dt> <dd>if true, return transform as a magnitude / phase pair otherwise a real / imaginary image pair. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> </div> <footer class="magick-footer"> <p><a href="../support.html">Donate</a> • <a href="../sitemap.html">Sitemap</a> • <a href="../links.html">Related</a> • <a href="../architecture.html">Architecture</a> </p> <p><a href="fourier.html#">Back to top</a> • <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • <a href="http://www.imagemagick.org/script/contact.php">Contact Us</a></p> <p><small>© 1999-2016 ImageMagick Studio LLC</small></p> </footer> </div><!-- /.container --> <script src="https://localhost/ajax/libs/jquery/1.11.3/jquery.min.js"></script> <script src="../js/magick.html"></script> </div> </body> </html>