www/api/fourier.html - platform/external/ImageMagick - Gitiles



 <!DOCTYPE html>
 <html lang="en">
 <head>
   <meta charset="utf-8"  />
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"  />
   <title>MagickCore, C API: Fourier Transform @ ImageMagick</title>
   <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. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves." />
   <meta name="application-url" content="https://www.imagemagick.org" />
   <meta name="generator" content="PHP" />
   <meta name="keywords" content="magickcore, c, api:, fourier, transform, ImageMagick, PerlMagick, image processing, image, photo, software, Magick++, OpenMP, convert" />
   <meta name="rating" content="GENERAL" />
   <meta name="robots" content="INDEX, FOLLOW" />
   <meta name="generator" content="ImageMagick Studio LLC" />
   <meta name="author" content="ImageMagick Studio LLC" />
   <meta name="revisit-after" content="2 DAYS" />
   <meta name="resource-type" content="document" />
   <meta name="copyright" content="Copyright (c) 1999-2017 ImageMagick Studio LLC" />
   <meta name="distribution" content="Global" />
   <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1" />
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
   <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" />
   <link href="fourier.html" rel="canonical" />
   <link href="../../images/wand.png" rel="icon" />
   <link href="../../images/wand.ico" rel="shortcut icon" />
   <link href="../assets/magick.css" rel="stylesheet" />
 </head>
 <body>
   <header>
   <nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
     <a class="navbar-brand" href="fourier.html#">ImageMagick</a>
     <button class="navbar-toggler collapsed" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
     <span class="navbar-toggler-icon"></span>
     </button>

     <div class="navbar-collapse collapse" id="navbarsExampleDefault" style="">
     <ul class="navbar-nav mr-auto">
       <li class="nav-item ">
         <a class="nav-link" href="../../index.html">Home <span class="sr-only">(current)</span></a>
       </li>
       <li class="nav-item ">
         <a class="nav-link" href="../../www/download.html">Download</a>
       </li>
       <li class="nav-item ">
         <a class="nav-link" href="../../www/command-line-tools.html">Tools</a>
       </li>
       <li class="nav-item ">
         <a class="nav-link" href="../../www/command-line-processing.html">Command-line</a>
       </li>
       <li class="nav-item ">
         <a class="nav-link" href="../../www/resources.html">Resources</a>
       </li>
       <li class="nav-item ">
         <a class="nav-link" href="../../www/develop.html">Develop</a>
       </li>
       <li class="nav-item">
         <a class="nav-link" href="https://www.imagemagick.org/discourse-server/">Community</a>
       </li>
     </ul>
     <form class="form-inline my-2 my-lg-0" action="../https://www.imagemagick.org/script/search.php">
       <input class="form-control mr-sm-2" type="text" name="q" placeholder="Search" aria-label="Search">
       <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
     </form>
     </div>
   </nav>
   <div class="container">
    <script async="async" src="https://localhost/pagead/js/adsbygoogle.js"></script>    <ins class="adsbygoogle"
          style="display:block"
          data-ad-client="ca-pub-3129977114552745"
          data-ad-slot="6345125851"
          data-ad-format="auto"></ins>
     <script>
       (adsbygoogle = window.adsbygoogle || []).push({});
     </script>
   </div>
   </header>
   <main role="main" class="container">
     <div class="magick-template">
 <div class="magick-header">
 <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>

 <h2><a href="../../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="../../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="../../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>
     </div>
   </main><!-- /.container -->
   <footer class="magick-footer">
     <p><a href="../../www/security-policy.html">Security</a> •
     <a href="../../www/architecture.html">Architecture</a> •
     <a href="../../www/links.html">Related</a> •
      <a href="../../www/sitemap.html">Sitemap</a>

     <a href="fourier.html#"><img class="" id="logo" alt="And Now a Touch of Magick" width="16" height="16" src="../../images/wand.ico"/></a>

     <a href="http://pgp.mit.edu/pks/lookup?op=get&amp;search=0x89AB63D48277377A">Public Key</a> •
     <a href="../../www/support.html">Donate</a> •
     <a href="../../www/contact.html">Contact Us</a>
     <br/>
         <small>© 1999-2018 ImageMagick Studio LLC</small></p>
   </footer>

   <!-- Javascript assets -->
   <script src="../assets/magick.js" crossorigin="anonymous"></script>
   <script>window.jQuery || document.write('<script src="../assets/jquery.min.js"><\/script>')</script>
 </body>
 </html>




	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
	<title>MagickCore, C API: Fourier Transform @ ImageMagick</title>
	<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. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves." />
	<meta name="application-url" content="https://www.imagemagick.org" />
	<meta name="generator" content="PHP" />
	<meta name="keywords" content="magickcore, c, api:, fourier, transform, ImageMagick, PerlMagick, image processing, image, photo, software, Magick++, OpenMP, convert" />
	<meta name="rating" content="GENERAL" />
	<meta name="robots" content="INDEX, FOLLOW" />
	<meta name="generator" content="ImageMagick Studio LLC" />
	<meta name="author" content="ImageMagick Studio LLC" />
	<meta name="revisit-after" content="2 DAYS" />
	<meta name="resource-type" content="document" />
	<meta name="copyright" content="Copyright (c) 1999-2017 ImageMagick Studio LLC" />
	<meta name="distribution" content="Global" />
	<meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1" />
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" />
	<link href="fourier.html" rel="canonical" />
	<link href="../../images/wand.png" rel="icon" />
	<link href="../../images/wand.ico" rel="shortcut icon" />
	<link href="../assets/magick.css" rel="stylesheet" />
	</head>
	<body>
	<header>
	<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
	<a class="navbar-brand" href="fourier.html#">ImageMagick</a>
	<button class="navbar-toggler collapsed" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
	<span class="navbar-toggler-icon"></span>
	</button>

	<div class="navbar-collapse collapse" id="navbarsExampleDefault" style="">
	<ul class="navbar-nav mr-auto">
	<li class="nav-item ">
	<a class="nav-link" href="../../index.html">Home <span class="sr-only">(current)</span></a>
	</li>
	<li class="nav-item ">
	<a class="nav-link" href="../../www/download.html">Download</a>
	</li>
	<li class="nav-item ">
	<a class="nav-link" href="../../www/command-line-tools.html">Tools</a>
	</li>
	<li class="nav-item ">
	<a class="nav-link" href="../../www/command-line-processing.html">Command-line</a>
	</li>
	<li class="nav-item ">
	<a class="nav-link" href="../../www/resources.html">Resources</a>
	</li>
	<li class="nav-item ">
	<a class="nav-link" href="../../www/develop.html">Develop</a>
	</li>
	<li class="nav-item">
	<a class="nav-link" href="https://www.imagemagick.org/discourse-server/">Community</a>
	</li>
	</ul>
	<form class="form-inline my-2 my-lg-0" action="../https://www.imagemagick.org/script/search.php">
	<input class="form-control mr-sm-2" type="text" name="q" placeholder="Search" aria-label="Search">
	<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
	</form>
	</div>
	</nav>
	<div class="container">
	<script async="async" src="https://localhost/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle"
	style="display:block"
	data-ad-client="ca-pub-3129977114552745"
	data-ad-slot="6345125851"
	data-ad-format="auto"></ins>
	<script>
	(adsbygoogle = window.adsbygoogle \|\| []).push({});
	</script>
	</div>
	</header>
	<main role="main" class="container">
	<div class="magick-template">
	<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="../../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="../../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="../../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>
	</div>
	</main><!-- /.container -->
	<footer class="magick-footer">
	<p><a href="../../www/security-policy.html">Security</a> •
	<a href="../../www/architecture.html">Architecture</a> •
	<a href="../../www/links.html">Related</a> •
	<a href="../../www/sitemap.html">Sitemap</a>

	<a href="fourier.html#"><img class="" id="logo" alt="And Now a Touch of Magick" width="16" height="16" src="../../images/wand.ico"/></a>

	<a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> •
	<a href="../../www/support.html">Donate</a> •
	<a href="../../www/contact.html">Contact Us</a>
	<br/>
	<small>© 1999-2018 ImageMagick Studio LLC</small></p>
	</footer>

	<!-- Javascript assets -->
	<script src="../assets/magick.js" crossorigin="anonymous"></script>
	<script>window.jQuery \|\| document.write('<script src="../assets/jquery.min.js"><\/script>')</script>
	</body>
	</html>