<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>ImageEnhance Module — Pillow v2.6.2 (PIL fork)</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '2.6.2', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <link rel="author" title="About these documents" href="../about.html" /> <link rel="top" title="Pillow v2.6.2 (PIL fork)" href="../index.html" /> <link rel="up" title="Reference" href="index.html" /> <link rel="next" title="ImageFile Module" href="ImageFile.html" /> <link rel="prev" title="ImageDraw Module" href="ImageDraw.html" /> </head> <body> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="ImageFile.html" title="ImageFile Module" accesskey="N">next</a> |</li> <li class="right" > <a href="ImageDraw.html" title="ImageDraw Module" accesskey="P">previous</a> |</li> <li><a href="../index.html">Home</a> »</li> <li><a href="index.html" accesskey="U">Reference</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <span class="target" id="module-PIL.ImageEnhance"></span><div class="section" id="imageenhance-module"> <h1><tt class="xref py py-mod docutils literal"><span class="pre">ImageEnhance</span></tt> Module<a class="headerlink" href="#imageenhance-module" title="Permalink to this headline">¶</a></h1> <p>The <tt class="xref py py-mod docutils literal"><span class="pre">ImageEnhance</span></tt> module contains a number of classes that can be used for image enhancement.</p> <div class="section" id="example-vary-the-sharpness-of-an-image"> <h2>Example: Vary the sharpness of an image<a class="headerlink" href="#example-vary-the-sharpness-of-an-image" title="Permalink to this headline">¶</a></h2> <div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">PIL</span> <span class="kn">import</span> <span class="n">ImageEnhance</span> <span class="n">enhancer</span> <span class="o">=</span> <span class="n">ImageEnhance</span><span class="o">.</span><span class="n">Sharpness</span><span class="p">(</span><span class="n">image</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">8</span><span class="p">):</span> <span class="n">factor</span> <span class="o">=</span> <span class="n">i</span> <span class="o">/</span> <span class="mf">4.0</span> <span class="n">enhancer</span><span class="o">.</span><span class="n">enhance</span><span class="p">(</span><span class="n">factor</span><span class="p">)</span><span class="o">.</span><span class="n">show</span><span class="p">(</span><span class="s">"Sharpness </span><span class="si">%f</span><span class="s">"</span> <span class="o">%</span> <span class="n">factor</span><span class="p">)</span> </pre></div> </div> <p>Also see the <tt class="file docutils literal"><span class="pre">enhancer.py</span></tt> demo program in the <tt class="file docutils literal"><span class="pre">Scripts/</span></tt> directory.</p> </div> <div class="section" id="classes"> <h2>Classes<a class="headerlink" href="#classes" title="Permalink to this headline">¶</a></h2> <p>All enhancement classes implement a common interface, containing a single method:</p> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3><a href="../index.html">Table Of Contents</a></h3> <ul> <li><a class="reference internal" href="#"><tt class="docutils literal"><span class="pre">ImageEnhance</span></tt> Module</a><ul> <li><a class="reference internal" href="#example-vary-the-sharpness-of-an-image">Example: Vary the sharpness of an image</a></li> <li><a class="reference internal" href="#classes">Classes</a></li> </ul> </li> </ul> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/reference/ImageEnhance.txt" rel="nofollow">Show Source</a></li> </ul><h3>Need help?</h3> <p> You can get help via IRC at <a href="irc://irc.freenode.net#pil">irc://irc.freenode.net#pil</a> or Stack Overflow <a 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