284 lines
17 KiB
HTML
284 lines
17 KiB
HTML
|
|
|
|
<!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>torchreid.utils.reidtools — torchreid 0.8.1 documentation</title>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<script type="text/javascript" src="../../../_static/js/modernizr.min.js"></script>
|
|
|
|
|
|
<script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></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>
|
|
<script type="text/javascript" src="../../../_static/language_data.js"></script>
|
|
<script async="async" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-AMS-MML_HTMLorMML"></script>
|
|
|
|
<script type="text/javascript" src="../../../_static/js/theme.js"></script>
|
|
|
|
|
|
|
|
|
|
<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" />
|
|
</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"> torchreid
|
|
|
|
|
|
|
|
</a>
|
|
|
|
|
|
|
|
|
|
<div class="version">
|
|
0.8.1
|
|
</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">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<ul>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../user_guide.html">How-to</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../datasets.html">Datasets</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../evaluation.html">Evaluation</a></li>
|
|
</ul>
|
|
<p class="caption"><span class="caption-text">Package Reference</span></p>
|
|
<ul>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/data.html">torchreid.data</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/engine.html">torchreid.engine</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/losses.html">torchreid.losses</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/metrics.html">torchreid.metrics</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/models.html">torchreid.models</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/optim.html">torchreid.optim</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../pkg/utils.html">torchreid.utils</a></li>
|
|
</ul>
|
|
<p class="caption"><span class="caption-text">Resources</span></p>
|
|
<ul>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../AWESOME_REID.html">Awesome-ReID</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../../../MODEL_ZOO.html">Model Zoo</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">torchreid</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><a href="../../index.html">Module code</a> »</li>
|
|
|
|
<li>torchreid.utils.reidtools</li>
|
|
|
|
|
|
<li class="wy-breadcrumbs-aside">
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
<hr/>
|
|
</div>
|
|
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
|
|
<div itemprop="articleBody">
|
|
|
|
<h1>Source code for torchreid.utils.reidtools</h1><div class="highlight"><pre>
|
|
<span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">absolute_import</span>
|
|
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">print_function</span>
|
|
|
|
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'visualize_ranked_results'</span><span class="p">]</span>
|
|
|
|
<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
|
|
<span class="kn">import</span> <span class="nn">os</span>
|
|
<span class="kn">import</span> <span class="nn">os.path</span> <span class="k">as</span> <span class="nn">osp</span>
|
|
<span class="kn">import</span> <span class="nn">shutil</span>
|
|
|
|
<span class="kn">from</span> <span class="nn">.tools</span> <span class="k">import</span> <span class="n">mkdir_if_missing</span>
|
|
|
|
|
|
<div class="viewcode-block" id="visualize_ranked_results"><a class="viewcode-back" href="../../../pkg/utils.html#torchreid.utils.reidtools.visualize_ranked_results">[docs]</a><span class="k">def</span> <span class="nf">visualize_ranked_results</span><span class="p">(</span><span class="n">distmat</span><span class="p">,</span> <span class="n">dataset</span><span class="p">,</span> <span class="n">save_dir</span><span class="o">=</span><span class="s1">''</span><span class="p">,</span> <span class="n">topk</span><span class="o">=</span><span class="mi">20</span><span class="p">):</span>
|
|
<span class="sd">"""Visualizes ranked results.</span>
|
|
|
|
<span class="sd"> Supports both image-reid and video-reid.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> distmat (numpy.ndarray): distance matrix of shape (num_query, num_gallery).</span>
|
|
<span class="sd"> dataset (tuple): a 2-tuple containing (query, gallery), each of which contains</span>
|
|
<span class="sd"> tuples of (img_path(s), pid, camid).</span>
|
|
<span class="sd"> save_dir (str): directory to save output images.</span>
|
|
<span class="sd"> topk (int, optional): denoting top-k images in the rank list to be visualized.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="n">num_q</span><span class="p">,</span> <span class="n">num_g</span> <span class="o">=</span> <span class="n">distmat</span><span class="o">.</span><span class="n">shape</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'Visualizing top-</span><span class="si">{}</span><span class="s1"> ranks'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">topk</span><span class="p">))</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'# query: </span><span class="si">{}</span><span class="se">\n</span><span class="s1"># gallery </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_q</span><span class="p">,</span> <span class="n">num_g</span><span class="p">))</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'Saving images to "</span><span class="si">{}</span><span class="s1">"'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">save_dir</span><span class="p">))</span>
|
|
|
|
<span class="n">query</span><span class="p">,</span> <span class="n">gallery</span> <span class="o">=</span> <span class="n">dataset</span>
|
|
<span class="k">assert</span> <span class="n">num_q</span> <span class="o">==</span> <span class="nb">len</span><span class="p">(</span><span class="n">query</span><span class="p">)</span>
|
|
<span class="k">assert</span> <span class="n">num_g</span> <span class="o">==</span> <span class="nb">len</span><span class="p">(</span><span class="n">gallery</span><span class="p">)</span>
|
|
|
|
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">argsort</span><span class="p">(</span><span class="n">distmat</span><span class="p">,</span> <span class="n">axis</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
|
|
<span class="n">mkdir_if_missing</span><span class="p">(</span><span class="n">save_dir</span><span class="p">)</span>
|
|
|
|
<span class="k">def</span> <span class="nf">_cp_img_to</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">,</span> <span class="n">rank</span><span class="p">,</span> <span class="n">prefix</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> src: image path or tuple (for vidreid)</span>
|
|
<span class="sd"> dst: target directory</span>
|
|
<span class="sd"> rank: int, denoting ranked position, starting from 1</span>
|
|
<span class="sd"> prefix: string</span>
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
|
|
<span class="n">dst</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">dst</span><span class="p">,</span> <span class="n">prefix</span> <span class="o">+</span> <span class="s1">'_top'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">rank</span><span class="p">)</span><span class="o">.</span><span class="n">zfill</span><span class="p">(</span><span class="mi">3</span><span class="p">))</span>
|
|
<span class="n">mkdir_if_missing</span><span class="p">(</span><span class="n">dst</span><span class="p">)</span>
|
|
<span class="k">for</span> <span class="n">img_path</span> <span class="ow">in</span> <span class="n">src</span><span class="p">:</span>
|
|
<span class="n">shutil</span><span class="o">.</span><span class="n">copy</span><span class="p">(</span><span class="n">img_path</span><span class="p">,</span> <span class="n">dst</span><span class="p">)</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">dst</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">dst</span><span class="p">,</span> <span class="n">prefix</span> <span class="o">+</span> <span class="s1">'_top'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">rank</span><span class="p">)</span><span class="o">.</span><span class="n">zfill</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span> <span class="o">+</span> <span class="s1">'_name_'</span> <span class="o">+</span> <span class="n">osp</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">src</span><span class="p">))</span>
|
|
<span class="n">shutil</span><span class="o">.</span><span class="n">copy</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">dst</span><span class="p">)</span>
|
|
|
|
<span class="k">for</span> <span class="n">q_idx</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">num_q</span><span class="p">):</span>
|
|
<span class="n">qimg_path</span><span class="p">,</span> <span class="n">qpid</span><span class="p">,</span> <span class="n">qcamid</span> <span class="o">=</span> <span class="n">query</span><span class="p">[</span><span class="n">q_idx</span><span class="p">]</span>
|
|
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">qimg_path</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">qimg_path</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
|
|
<span class="n">qdir</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">save_dir</span><span class="p">,</span> <span class="n">osp</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">qimg_path</span><span class="p">[</span><span class="mi">0</span><span class="p">]))</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">qdir</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">save_dir</span><span class="p">,</span> <span class="n">osp</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">qimg_path</span><span class="p">))</span>
|
|
<span class="n">mkdir_if_missing</span><span class="p">(</span><span class="n">qdir</span><span class="p">)</span>
|
|
<span class="n">_cp_img_to</span><span class="p">(</span><span class="n">qimg_path</span><span class="p">,</span> <span class="n">qdir</span><span class="p">,</span> <span class="n">rank</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">'query'</span><span class="p">)</span>
|
|
|
|
<span class="n">rank_idx</span> <span class="o">=</span> <span class="mi">1</span>
|
|
<span class="k">for</span> <span class="n">g_idx</span> <span class="ow">in</span> <span class="n">indices</span><span class="p">[</span><span class="n">q_idx</span><span class="p">,:]:</span>
|
|
<span class="n">gimg_path</span><span class="p">,</span> <span class="n">gpid</span><span class="p">,</span> <span class="n">gcamid</span> <span class="o">=</span> <span class="n">gallery</span><span class="p">[</span><span class="n">g_idx</span><span class="p">]</span>
|
|
<span class="n">invalid</span> <span class="o">=</span> <span class="p">(</span><span class="n">qpid</span> <span class="o">==</span> <span class="n">gpid</span><span class="p">)</span> <span class="o">&</span> <span class="p">(</span><span class="n">qcamid</span> <span class="o">==</span> <span class="n">gcamid</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">invalid</span><span class="p">:</span>
|
|
<span class="n">_cp_img_to</span><span class="p">(</span><span class="n">gimg_path</span><span class="p">,</span> <span class="n">qdir</span><span class="p">,</span> <span class="n">rank</span><span class="o">=</span><span class="n">rank_idx</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">'gallery'</span><span class="p">)</span>
|
|
<span class="n">rank_idx</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="k">if</span> <span class="n">rank_idx</span> <span class="o">></span> <span class="n">topk</span><span class="p">:</span>
|
|
<span class="k">break</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s2">"Done"</span><span class="p">)</span></div>
|
|
</pre></div>
|
|
|
|
</div>
|
|
|
|
</div>
|
|
<footer>
|
|
|
|
|
|
<hr/>
|
|
|
|
<div role="contentinfo">
|
|
<p>
|
|
© Copyright 2019, Kaiyang Zhou
|
|
|
|
</p>
|
|
</div>
|
|
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
|
|
|
|
</footer>
|
|
|
|
</div>
|
|
</div>
|
|
|
|
</section>
|
|
|
|
</div>
|
|
|
|
|
|
|
|
<script type="text/javascript">
|
|
jQuery(function () {
|
|
SphinxRtdTheme.Navigation.enable(true);
|
|
});
|
|
</script>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</body>
|
|
</html> |