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Code Editor : jp2.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1,shrink-to-fit=no" /> <title>ImageMagick - JP2 Encoding Options</title> <meta name="application-name" content="ImageMagick" /> <meta name="description" content="Use ImageMagick® to create, edit, compose, and convert bitmap images. Resize an image, crop it, change its shades and colors, add captions, and more." /> <meta name="application-url" content="https://imagemagick.org" /> <meta name="generator" content="PHP" /> <meta name="keywords" content="jp2, encoding, options, image converter, image resizer, image editor, photo editor, jpg converter, png converter, tiff converter, vector images, online, free, swiss army" /> <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) 1999-2020 ImageMagick Studio LLC" /> <meta name="distribution" content="Global" /> <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1" /> <meta property='og:url' content='../' /> <meta property='og:title' content='ImageMagick' /> <meta property='og:image' content='../images/logo.png' /> <meta property='og:type' content='website' /> <meta property='og:site_name' content='ImageMagick' /> <meta property='og:description' content="Create, Edit, Compose, or Convert Bitmap Images" /> <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" /> <link href="jp2.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> <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark"> <a class="navbar-brand" href="../index.html"><img class="d-block" id="icon" alt="ImageMagick" width="32" height="32" src="../images/wand.ico"/></a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsMagick" aria-controls="navbarsMagick" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="navbar-collapse collapse" id="navbarsMagick" 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="download.html">Download</a> </li> <li class="nav-item "> <a class="nav-link" href="command-line-tools.html">Tools</a> </li> <li class="nav-item "> <a class="nav-link" href="command-line-processing.html">Command-line</a> </li> <li class="nav-item "> <a class="nav-link" href="resources.html">Resources</a> </li> <li class="nav-item "> <a class="nav-link" href="develop.html">Develop</a> </li> <li class="nav-item"> <a class="nav-link" target="_blank" href="https://github.com/ImageMagick/ImageMagick/discussions">Community</a> </li> </ul> </div> <form class="form-inline my-2 my-lg-0" action="https://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" name="sa">Search</button> </form> </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-full-width-responsive="true" data-ad-format="horizontal"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> <main class="container"> <div class="magick-template"> <div class="magick-header"> <p class="lead magick-description">ImageMagick's JPEG-2000 image formats, JP2 and JPC, accept a plethora of encoding options as detailed below. As an example, suppose you are interested in these options:</p> <ul> <li>code blocks are 64 samples in width and 32 samples in height</li> <li>no multicomponent transform</li> <li>4 resolution levels for each component</li> <li>compression is lossy at 64:1</li> </ul> <p>Use this command to convert a JPEG-2000 image to the PNG image format:</p> <pre class="highlight"><code>magick wizard.jp2 wizard.png </code></pre> <p>Let's convert a JPEG image to a lossless JPEG-2000 image:</p> <pre class="highlight"><code>magick wizard.jpg -quality 0 wizard.jp2 </code></pre> <p>Here we extract an area from the image:</p> <pre class="highlight"><code>magick 'wizard.jp2[640x480+0+0]' wizard.png </code></pre> <p>Extract a particular tile from the image:</p> <pre class="highlight"><code>magick 'wizard.jp2[2]' wizard.png </code></pre> <p>Specify a subsampling factor:</p> <pre class="highlight"><code>magick wizard.png -colorspace YUV -sampling-factor 2,2 wizard.jp2 </code></pre> <p>Save a tiled JPEG-2000 image:</p> <pre class="highlight"><code>magick wizard.png 'wizard.png[512x512]' </code></pre> <p>Write a digital Cinema 4K profile compliant codestream:</p> <pre class="highlight"><code>magick wizard.png -resize 4096x2160! -depth 12 wizard.jp2 </code></pre> <p>Here is a complete list of JPEG-2000 decoding options:</p> <div class="table-responsive" style="font-size:87.5% !important;"> <table class="table table-sm table-striped"> <tr> <td>jp2:quality-layers=<var>x</var></td> <td>set the maximum number of quality layers to decode.</td> </tr> <tr> <td>jp2:reduce-factor=<var>x</var></td> <td>set the number of highest resolution levels to be discarded.</td> </tr> </table></div> <p>Here is a complete list of JPEG-2000 encoding options:</p> <div class="table-responsive" style="font-size:87.5% !important;"> <table class="table table-sm table-striped"> <tr> <td>jp2:number-resolutions=<var>x</var></td> <td>number of resolutions to encode.</td> </tr> <tr> <td>jp2:quality=<var>x</var>,<var>x</var>,...</td> <td>set the quality layer PSNR, given in dB. The order is from left to right in ascending order. The default is a single lossless quality layer.</td> </tr> <tr> <td>jp2:rate=<var>x</var>,<var>x</var>,...</td> <td>the compression ratio values. Each value is a factor of compression, thus 20 means 20 times compressed. The order is from left to right in descending order. A final lossless quality layer is signified by the value 1. The default is a single lossless quality layer.</td> </tr> <tr> <td>jp2:progression-order=<var>x</var></td> <td>choose from LRCP, RLCP, RPCL, PCRL or CPRL.</td> </tr> </table></div> </div> </div> </main><!-- /.container --> <footer class="magick-footer"> <p><a href="security-policy.html">Security</a> • <a href="architecture.html">Architecture</a> <a href="jp2.html#"><img class="d-inline" id="wand" alt="And Now a Touch of Magick" width="16" height="16" src="../images/wand.ico"/></a> <a href="links.html">Related</a> • <a href="sitemap.html">Sitemap</a> <br/> <a href="support.html">Sponsor</a> • <a href="cite.html">Cite</a> • <a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • <a href="https://imagemagick.org/script/contact.php">Contact Us</a> <br/> <a href="https://github.com/imagemagick/imagemagick" target="_blank" rel="noopener" aria-label="GitHub"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 499.36" width="2%" height="2%" role="img" focusable="false"><title>GitHub</title><path fill="currentColor" fill-rule="evenodd" d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z"/></svg></a> • <a href="https://twitter.com/imagemagick" target="_blank" rel="noopener" aria-label="Twitter"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 416.32" width="2%" height="2%" role="img" focusable="false"><title>Twitter</title><path fill="currentColor" d="M160.83 416.32c193.2 0 298.92-160.22 298.92-298.92 0-4.51 0-9-.2-13.52A214 214 0 0 0 512 49.38a212.93 212.93 0 0 1-60.44 16.6 105.7 105.7 0 0 0 46.3-58.19 209 209 0 0 1-66.79 25.37 105.09 105.09 0 0 0-181.73 71.91 116.12 116.12 0 0 0 2.66 24c-87.28-4.3-164.73-46.3-216.56-109.82A105.48 105.48 0 0 0 68 159.6a106.27 106.27 0 0 1-47.53-13.11v1.43a105.28 105.28 0 0 0 84.21 103.06 105.67 105.67 0 0 1-47.33 1.84 105.06 105.06 0 0 0 98.14 72.94A210.72 210.72 0 0 1 25 370.84a202.17 202.17 0 0 1-25-1.43 298.85 298.85 0 0 0 160.83 46.92"/></svg></a> <br/> <small>© 1999-2020 ImageMagick Studio LLC</small></p> </footer> <!-- Javascript assets --> <script src="assets/magick.js" crossorigin="anonymous"></script> <script>window.jQuery || document.write('<script src="https://localhost/ajax/libs/jquery/3.4.1/jquery.min.js"><\/script>')</script> </body> </html> <!-- Magick Cache 12th June 2020 18:31 -->
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