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<div class="section" id="overview">
<h1>Overview<a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h1>
<p>The <strong>Python Imaging Library</strong> adds image processing capabilities to your
Python interpreter.</p>
<p>This library provides extensive file format support, an efficient internal
representation, and fairly powerful image processing capabilities.</p>
<p>The core image library is designed for fast access to data stored in a few
basic pixel formats. It should provide a solid foundation for a general image
processing tool.</p>
<p>Let’s look at a few possible uses of this library.</p>
<div class="section" id="image-archives">
<h2>Image Archives<a class="headerlink" href="#image-archives" title="Permalink to this headline">¶</a></h2>
<p>The Python Imaging Library is ideal for image archival and batch processing
applications. You can use the library to create thumbnails, convert between
file formats, print images, etc.</p>
<p>The current version identifies and reads a large number of formats. Write
support is intentionally restricted to the most commonly used interchange and
presentation formats.</p>
</div>
<div class="section" id="image-display">
<h2>Image Display<a class="headerlink" href="#image-display" title="Permalink to this headline">¶</a></h2>
<p>The current release includes Tk <a class="reference internal" href="../reference/ImageTk.html#PIL.ImageTk.PhotoImage" title="PIL.ImageTk.PhotoImage"><code class="xref py py-class docutils literal notranslate"><span class="pre">PhotoImage</span></code></a> and
<a class="reference internal" href="../reference/ImageTk.html#PIL.ImageTk.BitmapImage" title="PIL.ImageTk.BitmapImage"><code class="xref py py-class docutils literal notranslate"><span class="pre">BitmapImage</span></code></a> interfaces, as well as a <a class="reference internal" href="../reference/ImageWin.html#module-PIL.ImageWin" title="PIL.ImageWin"><code class="xref py py-mod docutils literal notranslate"><span class="pre">Windows</span>
<span class="pre">DIB</span> <span class="pre">interface</span></code></a> that can be used with PythonWin and other
Windows-based toolkits. Many other GUI toolkits come with some kind of PIL
support.</p>
<p>For debugging, there’s also a <code class="xref py py-meth docutils literal notranslate"><span class="pre">show()</span></code> method which saves an image to
disk, and calls an external display utility.</p>
</div>
<div class="section" id="image-processing">
<h2>Image Processing<a class="headerlink" href="#image-processing" title="Permalink to this headline">¶</a></h2>
<p>The library contains basic image processing functionality, including point operations, filtering with a set of built-in convolution kernels, and colour space conversions.</p>
<p>The library also supports image resizing, rotation and arbitrary affine transforms.</p>
<p>There’s a histogram method allowing you to pull some statistics out of an image. This can be used for automatic contrast enhancement, and for global statistical analysis.</p>
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