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- <div class="section" id="module-ipfml.processing.transform">
- <span id="ipfml-processing-transform"></span><h1>ipfml.processing.transform<a class="headerlink" href="#module-ipfml.processing.transform" title="Permalink to this headline">¶</a></h1>
- <p>Functions which can be used to extract information from image or reduce it</p>
- <p class="rubric">Functions</p>
- <table border="1" class="longtable docutils">
- <colgroup>
- <col width="10%" />
- <col width="90%" />
- </colgroup>
- <tbody valign="top">
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB" title="ipfml.processing.transform.get_LAB"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB</span></code></a>(image)</td>
- <td>Transforms RGB Image into Lab</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_L" title="ipfml.processing.transform.get_LAB_L"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_L</span></code></a>(image)</td>
- <td>Transforms RGB Image into Lab and returns L</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_L_SVD" title="ipfml.processing.transform.get_LAB_L_SVD"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_L_SVD</span></code></a>(image)</td>
- <td>Returns Singular values from LAB L Image information</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_L_SVD_U" title="ipfml.processing.transform.get_LAB_L_SVD_U"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_L_SVD_U</span></code></a>(image)</td>
- <td>Returns U SVD from L of LAB Image information</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_L_SVD_V" title="ipfml.processing.transform.get_LAB_L_SVD_V"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_L_SVD_V</span></code></a>(image)</td>
- <td>Returns V SVD from L of LAB Image information</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_L_SVD_s" title="ipfml.processing.transform.get_LAB_L_SVD_s"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_L_SVD_s</span></code></a>(image)</td>
- <td>Returns s (Singular values) SVD from L of LAB Image information</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_a" title="ipfml.processing.transform.get_LAB_a"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_a</span></code></a>(image)</td>
- <td>Transforms RGB Image into LAB and returns a</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_LAB_b" title="ipfml.processing.transform.get_LAB_b"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_LAB_b</span></code></a>(image)</td>
- <td>Transforms RGB Image into LAB and returns b</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_XYZ" title="ipfml.processing.transform.get_XYZ"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_XYZ</span></code></a>(image)</td>
- <td>Transforms RGB Image into XYZ</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_XYZ_X" title="ipfml.processing.transform.get_XYZ_X"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_XYZ_X</span></code></a>(image)</td>
- <td>Transforms RGB Image into XYZ and returns X</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_XYZ_Y" title="ipfml.processing.transform.get_XYZ_Y"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_XYZ_Y</span></code></a>(image)</td>
- <td>Transforms RGB Image into XYZ and returns Y</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_XYZ_Z" title="ipfml.processing.transform.get_XYZ_Z"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_XYZ_Z</span></code></a>(image)</td>
- <td>Transforms RGB Image into XYZ and returns Z</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_bits_img" title="ipfml.processing.transform.get_bits_img"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_bits_img</span></code></a>(image, interval)</td>
- <td>Returns only bits specified into the interval</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.get_low_bits_img" title="ipfml.processing.transform.get_low_bits_img"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_low_bits_img</span></code></a>(image[, nb_bits])</td>
- <td>Returns Image or Numpy array with data information reduced using only low bits</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.get_mscn_coefficients" title="ipfml.processing.transform.get_mscn_coefficients"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_mscn_coefficients</span></code></a>(image)</td>
- <td>Compute the Mean Substracted Constrast Normalized coefficients of an image</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.gray_to_mscn" title="ipfml.processing.transform.gray_to_mscn"><code class="xref py py-obj docutils literal notranslate"><span class="pre">gray_to_mscn</span></code></a>(image)</td>
- <td>Convert Grayscale Image into Mean Subtracted Contrast Normalized (MSCN)</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.rgb_to_LAB_L_bits" title="ipfml.processing.transform.rgb_to_LAB_L_bits"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rgb_to_LAB_L_bits</span></code></a>(image, interval)</td>
- <td>Returns only bits from LAB L canal specified into the interval</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.rgb_to_LAB_L_low_bits" title="ipfml.processing.transform.rgb_to_LAB_L_low_bits"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rgb_to_LAB_L_low_bits</span></code></a>(image[, nb_bits])</td>
- <td>Convert RGB Image into Lab L channel image using only 4 low bits values</td>
- </tr>
- <tr class="row-odd"><td><a class="reference internal" href="#ipfml.processing.transform.rgb_to_grey_low_bits" title="ipfml.processing.transform.rgb_to_grey_low_bits"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rgb_to_grey_low_bits</span></code></a>(image[, nb_bits])</td>
- <td>Convert RGB Image into grey image using only 4 low bits values</td>
- </tr>
- <tr class="row-even"><td><a class="reference internal" href="#ipfml.processing.transform.rgb_to_mscn" title="ipfml.processing.transform.rgb_to_mscn"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rgb_to_mscn</span></code></a>(image)</td>
- <td>Convert RGB Image into Mean Subtracted Contrast Normalized (MSCN)</td>
- </tr>
- </tbody>
- </table>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into Lab</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">Lab information</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">Lab</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">Lab</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200, 3)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_L">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_L</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_L"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_L" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into Lab and returns L</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The L chanel from Lab information</td>
- </tr>
- </tbody>
- </table>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">L</span> <span class="o">=</span> <span class="n">transform</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="gp">>>> </span><span class="n">L</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_L_SVD">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_L_SVD</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_L_SVD"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_L_SVD" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns Singular values from LAB L Image information</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – PIL Image or Numpy array</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">U, s, V information obtained from SVD compression using Lab</td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">U</span><span class="p">,</span> <span class="n">s</span><span class="p">,</span> <span class="n">V</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB_L_SVD</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">U</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- <span class="gp">>>> </span><span class="nb">len</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
- <span class="go">200</span>
- <span class="gp">>>> </span><span class="n">V</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_L_SVD_U">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_L_SVD_U</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_L_SVD_U"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_L_SVD_U" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns U SVD from L of LAB Image information</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – PIL Image or Numpy array</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">U matrix of SVD compression</td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">U</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB_L_SVD_U</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">U</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_L_SVD_V">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_L_SVD_V</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_L_SVD_V"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_L_SVD_V" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns V SVD from L of LAB Image information</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – PIL Image or Numpy array</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">V matrix of SVD compression</td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">V</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB_L_SVD_V</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">V</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_L_SVD_s">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_L_SVD_s</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_L_SVD_s"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_L_SVD_s" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns s (Singular values) SVD from L of LAB Image information</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – PIL Image or Numpy array</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">vector of singular values</td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">s</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB_L_SVD_s</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="nb">len</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
- <span class="go">200</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_a">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_a</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_a"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_a" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into LAB and returns a</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The a chanel from Lab information</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">a</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB_a</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">a</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_LAB_b">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_LAB_b</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_LAB_b"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_LAB_b" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into LAB and returns b</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The b chanel from Lab information</td>
- </tr>
- </tbody>
- </table>
- <p>Usage :</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">b</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_LAB_b</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">b</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_XYZ">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_XYZ</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_XYZ"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_XYZ" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into XYZ</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">XYZ information obtained from transformation</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">transform</span><span class="o">.</span><span class="n">get_XYZ</span><span class="p">(</span><span class="n">img</span><span class="p">)</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200, 3)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_XYZ_X">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_XYZ_X</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_XYZ_X"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_XYZ_X" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into XYZ and returns X</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The X chanel from XYZ information</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">x</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_XYZ_X</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">x</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_XYZ_Y">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_XYZ_Y</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_XYZ_Y"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_XYZ_Y" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into XYZ and returns Y</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The Y chanel from XYZ information</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">y</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_XYZ_Y</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">y</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_XYZ_Z">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_XYZ_Z</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_XYZ_Z"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_XYZ_Z" title="Permalink to this definition">¶</a></dt>
- <dd><p>Transforms RGB Image into XYZ and returns Z</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – image to convert</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The Z chanel from XYZ information</td>
- </tr>
- <tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ValueError</span></code> – If <cite>nb_bits</cite> has unexpected value. <cite>nb_bits</cite> needs to be in interval [1, 8].</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">z</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_XYZ_Z</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">z</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_bits_img">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_bits_img</code><span class="sig-paren">(</span><em>image</em>, <em>interval</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_bits_img"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_bits_img" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns only bits specified into the interval</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
- <li><strong>image</strong> – image to convert using this interval of bits value to keep</li>
- <li><strong>interval</strong> – (begin, end) of bits values</li>
- </ul>
- </td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Numpy array with reduced values</p>
- </td>
- </tr>
- <tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><ul class="first last simple">
- <li><code class="xref py py-exc docutils literal notranslate"><span class="pre">ValueError</span></code> – If min value from interval is not >= 1.</li>
- <li><code class="xref py py-exc docutils literal notranslate"><span class="pre">ValueError</span></code> – If max value from interval is not <= 8.</li>
- <li><code class="xref py py-exc docutils literal notranslate"><span class="pre">ValueError</span></code> – If min value from interval >= max value.</li>
- </ul>
- </td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">bits_img</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_bits_img</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">))</span>
- <span class="gp">>>> </span><span class="n">bits_img</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200, 3)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_low_bits_img">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_low_bits_img</code><span class="sig-paren">(</span><em>image</em>, <em>nb_bits=4</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_low_bits_img"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_low_bits_img" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns Image or Numpy array with data information reduced using only low bits</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
- <li><strong>image</strong> – image to convert</li>
- <li><strong>nb_bits</strong> – optional parameter which indicates the number of bits to keep</li>
- </ul>
- </td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">Numpy array with reduced values</p>
- </td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">low_bits_img</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_low_bits_img</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">low_bits_img</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200, 3)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.get_mscn_coefficients">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">get_mscn_coefficients</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#get_mscn_coefficients"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.get_mscn_coefficients" title="Permalink to this definition">¶</a></dt>
- <dd><p>Compute the Mean Substracted Constrast Normalized coefficients of an image</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>image</strong> – PIL Image, Numpy array or path of image</p>
- </td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">MSCN coefficients</p>
- </td>
- </tr>
- <tr class="field-odd field"><th class="field-name">Raises:</th><td class="field-body"><ul class="first last simple">
- <li><code class="xref py py-exc docutils literal notranslate"><span class="pre">FileNotFoundError</span></code> – If <cite>image</cite> is set as str path and image was not found</li>
- <li><code class="xref py py-exc docutils literal notranslate"><span class="pre">ValueError</span></code> – If <cite>image</cite> numpy shape are not correct</li>
- </ul>
- </td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </span><span class="n">image_values</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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">mscn_coefficients</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">get_mscn_coefficients</span><span class="p">(</span><span class="n">image_values</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">mscn_coefficients</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.gray_to_mscn">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">gray_to_mscn</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#gray_to_mscn"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.gray_to_mscn" title="Permalink to this definition">¶</a></dt>
- <dd><p>Convert Grayscale Image into Mean Subtracted Contrast Normalized (MSCN)</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – grayscale image</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">MSCN matrix obtained from transformation</td>
- </tr>
- </tbody>
- </table>
- <p>Usage:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">img</span> <span class="o">=</span> <span class="n">transform</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="gp">>>> </span><span class="n">img_mscn</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">gray_to_mscn</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">img_mscn</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.rgb_to_LAB_L_bits">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">rgb_to_LAB_L_bits</code><span class="sig-paren">(</span><em>image</em>, <em>interval</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#rgb_to_LAB_L_bits"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.rgb_to_LAB_L_bits" title="Permalink to this definition">¶</a></dt>
- <dd><p>Returns only bits from LAB L canal specified into the interval</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
- <li><strong>image</strong> – image to convert using this interval of bits value to keep</li>
- <li><strong>interval</strong> – (begin, end) of bits values</li>
- </ul>
- </td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">2D Numpy array with reduced values</p>
- </td>
- </tr>
- </tbody>
- </table>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">bits_Lab_l_img</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">rgb_to_LAB_L_bits</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">6</span><span class="p">))</span>
- <span class="gp">>>> </span><span class="n">bits_Lab_l_img</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.rgb_to_LAB_L_low_bits">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">rgb_to_LAB_L_low_bits</code><span class="sig-paren">(</span><em>image</em>, <em>nb_bits=4</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#rgb_to_LAB_L_low_bits"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.rgb_to_LAB_L_low_bits" title="Permalink to this definition">¶</a></dt>
- <dd><p>Convert RGB Image into Lab L channel image using only 4 low bits values</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
- <li><strong>image</strong> – 3D RGB image Numpy array or PIL RGB image</li>
- <li><strong>nb_bits</strong> – optional parameter which indicates the number of bits to keep (default 4)</li>
- </ul>
- </td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">2D Numpy array with low bits information kept</p>
- </td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">low_bits_Lab_l_img</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">rgb_to_LAB_L_low_bits</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">low_bits_Lab_l_img</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.rgb_to_grey_low_bits">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">rgb_to_grey_low_bits</code><span class="sig-paren">(</span><em>image</em>, <em>nb_bits=4</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#rgb_to_grey_low_bits"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.rgb_to_grey_low_bits" title="Permalink to this definition">¶</a></dt>
- <dd><p>Convert RGB Image into grey image using only 4 low bits values</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
- <li><strong>image</strong> – 3D RGB image Numpy array or PIL RGB image</li>
- <li><strong>nb_bits</strong> – optional parameter which indicates the number of bits to keep (default 4)</li>
- </ul>
- </td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">2D Numpy array with low bits information kept</p>
- </td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">low_bits_grey_img</span> <span class="o">=</span> <span class="n">transform</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">5</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">low_bits_grey_img</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- <dl class="function">
- <dt id="ipfml.processing.transform.rgb_to_mscn">
- <code class="descclassname">ipfml.processing.transform.</code><code class="descname">rgb_to_mscn</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/ipfml/processing/transform.html#rgb_to_mscn"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#ipfml.processing.transform.rgb_to_mscn" title="Permalink to this definition">¶</a></dt>
- <dd><p>Convert RGB Image into Mean Subtracted Contrast Normalized (MSCN)</p>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>image</strong> – 3D RGB image Numpy array or PIL RGB image</td>
- </tr>
- <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">2D Numpy array with MSCN information</td>
- </tr>
- </tbody>
- </table>
- <p>Example:</p>
- <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">PIL</span> <span class="k">import</span> <span class="n">Image</span>
- <span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ipfml.processing</span> <span class="k">import</span> <span class="n">transform</span>
- <span class="gp">>>> </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="s1">'./images/test_img.png'</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">img_mscn</span> <span class="o">=</span> <span class="n">transform</span><span class="o">.</span><span class="n">rgb_to_mscn</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
- <span class="gp">>>> </span><span class="n">img_mscn</span><span class="o">.</span><span class="n">shape</span>
- <span class="go">(200, 200)</span>
- </pre></div>
- </div>
- </dd></dl>
- </div>
- </div>
-
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