<!DOCTYPE html> <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Examples — IPFML v0.3.7 documentation</title> <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="index" title="Index" href="genindex.html" /> <link rel="search" title="Search" href="search.html" /> <link rel="next" title="Contributing" href="contributing.html" /> <link rel="prev" title="ipfml.iqa.fr" href="ipfml/ipfml.iqa.fr.html" /> <script src="_static/js/modernizr.min.js"></script> </head> <body class="wy-body-for-nav"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search"> <a href="index.html" class="icon icon-home"> IPFML </a> <div class="version"> 0.3.7 </div> <div role="search"> <form id="rtd-search-form" class="wy-form" action="search.html" method="get"> <input type="text" name="q" placeholder="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> <p class="caption"><span class="caption-text">Contents:</span></p> <ul class="current"> <li class="toctree-l1"><a class="reference internal" href="description.html">Description</a></li> <li class="toctree-l1"><a class="reference internal" href="ipfml.html">Documentation</a></li> <li class="toctree-l1 current"><a class="current reference internal" href="#">Examples</a><ul> <li class="toctree-l2"><a class="reference internal" href="#metrics-example">Metrics example</a></li> <li class="toctree-l2"><a class="reference internal" href="#processing-example">Processing example</a></li> <li class="toctree-l2"><a class="reference internal" href="#noise-filter-example">Noise filter example</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="contributing.html">Contributing</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" aria-label="top navigation"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="index.html">IPFML</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="breadcrumbs navigation"> <ul class="wy-breadcrumbs"> <li><a href="index.html">Docs</a> »</li> <li>Examples</li> <li class="wy-breadcrumbs-aside"> <a href="https://github.com/jbuisine/IPFML/blob/master/docs/source/examples.rst" class="fa fa-github"> Edit on GitHub</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <div class="section" id="examples"> <h1>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h1> <p>Some examples are already available into documentation. You can find here some others and results of use of IPFML package.</p> <p>All examples below will use this picture.</p> <img alt="_images/nature.jpg" src="_images/nature.jpg" /> <div class="section" id="metrics-example"> <h2>Metrics example<a class="headerlink" href="#metrics-example" title="Permalink to this headline">¶</a></h2> <p>Using <strong>metrics</strong> module you can convert image into Lab, XYZ, SVD…</p> <div class="code python highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span> <span class="kn">from</span> <span class="nn">ipfml</span> <span class="k">import</span> <span class="n">metrics</span> <span class="n">img_path</span> <span class="o">=</span> <span class="s1">'path/to/image_nature.jpg'</span> <span class="n">img</span> <span class="o">=</span> <span class="n">Image</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">img_path</span><span class="p">)</span> <span class="n">s</span> <span class="o">=</span> <span class="n">metrics</span><span class="o">.</span><span class="n">get_LAB_L</span><span class="p">(</span><span class="n">img</span><span class="p">)</span> <span class="c1"># convert result into PIL Image</span> <span class="n">output</span> <span class="o">=</span> <span class="n">Image</span><span class="o">.</span><span class="n">fromarray</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="n">output</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> </pre></div> </div> <p>This is the generated output using only L chanel from Lab.</p> <img alt="_images/nature_lab_l.png" src="_images/nature_lab_l.png" /> </div> <div class="section" id="processing-example"> <h2>Processing example<a class="headerlink" href="#processing-example" title="Permalink to this headline">¶</a></h2> <div class="code python highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span> <span class="kn">from</span> <span class="nn">ipfml</span> <span class="k">import</span> <span class="n">processing</span> <span class="n">img_path</span> <span class="o">=</span> <span class="s1">'path/to/image_nature.jpg'</span> <span class="n">img</span> <span class="o">=</span> <span class="n">Image</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">img_path</span><span class="p">)</span> <span class="n">low_bits_img</span> <span class="o">=</span> <span class="n">processing</span><span class="o">.</span><span class="n">rgb_to_grey_low_bits</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="mi">6</span><span class="p">)</span> <span class="n">output</span> <span class="o">=</span> <span class="n">Image</span><span class="o">.</span><span class="n">fromarray</span><span class="p">(</span><span class="n">low_bits_img</span><span class="p">)</span> <span class="n">output</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> </pre></div> </div> <p>Now we have picture information with only the 6 low bits values.</p> <img alt="_images/nature_low_bits_6.png" src="_images/nature_low_bits_6.png" /> </div> <div class="section" id="noise-filter-example"> <h2>Noise filter example<a class="headerlink" href="#noise-filter-example" title="Permalink to this headline">¶</a></h2> <div class="code python highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span> <span class="kn">from</span> <span class="nn">ipfml.filters</span> <span class="k">import</span> <span class="n">noise</span> <span class="k">as</span> <span class="n">nf</span> <span class="n">img_path</span> <span class="o">=</span> <span class="s1">'path/to/image_nature.jpg'</span> <span class="n">img</span> <span class="o">=</span> <span class="n">Image</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">img_path</span><span class="p">)</span> <span class="c1"># set noise impact to 400</span> <span class="c1"># set same noise for each chanel</span> <span class="n">noisy_image</span> <span class="o">=</span> <span class="n">nf</span><span class="o">.</span><span class="n">gaussian_noise</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">n</span><span class="o">=</span><span class="mi">400</span><span class="p">,</span> <span class="n">identical</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="n">output</span> <span class="o">=</span> <span class="n">Image</span><span class="o">.</span><span class="n">fromarray</span><span class="p">(</span><span class="n">noisy_image</span><span class="p">)</span> <span class="n">output</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> </pre></div> </div> <p>Image result after applying gaussian noise on nature image.</p> <img alt="_images/nature_gaussian_noise.png" src="_images/nature_gaussian_noise.png" /> </div> </div> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="contributing.html" class="btn btn-neutral float-right" title="Contributing" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a> <a href="ipfml/ipfml.iqa.fr.html" class="btn btn-neutral" title="ipfml.iqa.fr" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a> </div> <hr/> <div role="contentinfo"> <p> © Copyright 2019, Jérôme BUISINE </p> </div> Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a 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