KaiyangZhou 08e15274fe 1.0.2
2019-09-01 15:05:27 +01:00

309 lines
20 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.data.datasets.image.msmt17 &mdash; torchreid 1.0.2 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">
1.0.2
</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> &raquo;</li>
<li><a href="../../../../index.html">Module code</a> &raquo;</li>
<li>torchreid.data.datasets.image.msmt17</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.data.datasets.image.msmt17</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="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">division</span>
<span class="kn">import</span> <span class="nn">sys</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">from</span> <span class="nn">torchreid.data.datasets</span> <span class="k">import</span> <span class="n">ImageDataset</span>
<span class="c1">##### Log #####</span>
<span class="c1"># 22.01.2019</span>
<span class="c1"># - add v2</span>
<span class="c1"># - v1 and v2 differ in dir names</span>
<span class="c1"># - note that faces in v2 are blurred</span>
<span class="n">TRAIN_DIR_KEY</span> <span class="o">=</span> <span class="s1">&#39;train_dir&#39;</span>
<span class="n">TEST_DIR_KEY</span> <span class="o">=</span> <span class="s1">&#39;test_dir&#39;</span>
<span class="n">VERSION_DICT</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">&#39;MSMT17_V1&#39;</span><span class="p">:</span> <span class="p">{</span>
<span class="n">TRAIN_DIR_KEY</span><span class="p">:</span> <span class="s1">&#39;train&#39;</span><span class="p">,</span>
<span class="n">TEST_DIR_KEY</span><span class="p">:</span> <span class="s1">&#39;test&#39;</span><span class="p">,</span>
<span class="p">},</span>
<span class="s1">&#39;MSMT17_V2&#39;</span><span class="p">:</span> <span class="p">{</span>
<span class="n">TRAIN_DIR_KEY</span><span class="p">:</span> <span class="s1">&#39;mask_train_v2&#39;</span><span class="p">,</span>
<span class="n">TEST_DIR_KEY</span><span class="p">:</span> <span class="s1">&#39;mask_test_v2&#39;</span><span class="p">,</span>
<span class="p">}</span>
<span class="p">}</span>
<div class="viewcode-block" id="MSMT17"><a class="viewcode-back" href="../../../../../pkg/data.html#torchreid.data.datasets.image.msmt17.MSMT17">[docs]</a><span class="k">class</span> <span class="nc">MSMT17</span><span class="p">(</span><span class="n">ImageDataset</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;MSMT17.</span>
<span class="sd"> Reference:</span>
<span class="sd"> Wei et al. Person Transfer GAN to Bridge Domain Gap for Person Re-Identification. CVPR 2018.</span>
<span class="sd"> URL: `&lt;http://www.pkuvmc.com/publications/msmt17.html&gt;`_</span>
<span class="sd"> </span>
<span class="sd"> Dataset statistics:</span>
<span class="sd"> - identities: 4101.</span>
<span class="sd"> - images: 32621 (train) + 11659 (query) + 82161 (gallery).</span>
<span class="sd"> - cameras: 15.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">dataset_dir</span> <span class="o">=</span> <span class="s1">&#39;msmt17&#39;</span>
<span class="n">dataset_url</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span><span class="n">osp</span><span class="o">.</span><span class="n">expanduser</span><span class="p">(</span><span class="n">root</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dataset_dir</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="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">download_dataset</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dataset_url</span><span class="p">)</span>
<span class="n">has_main_dir</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">for</span> <span class="n">main_dir</span> <span class="ow">in</span> <span class="n">VERSION_DICT</span><span class="p">:</span>
<span class="k">if</span> <span class="n">osp</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">osp</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">)):</span>
<span class="n">train_dir</span> <span class="o">=</span> <span class="n">VERSION_DICT</span><span class="p">[</span><span class="n">main_dir</span><span class="p">][</span><span class="n">TRAIN_DIR_KEY</span><span class="p">]</span>
<span class="n">test_dir</span> <span class="o">=</span> <span class="n">VERSION_DICT</span><span class="p">[</span><span class="n">main_dir</span><span class="p">][</span><span class="n">TEST_DIR_KEY</span><span class="p">]</span>
<span class="n">has_main_dir</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">break</span>
<span class="k">assert</span> <span class="n">has_main_dir</span><span class="p">,</span> <span class="s1">&#39;Dataset folder not found&#39;</span>
<span class="bp">self</span><span class="o">.</span><span class="n">train_dir</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="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">,</span> <span class="n">train_dir</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">test_dir</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="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">,</span> <span class="n">test_dir</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">list_train_path</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="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">,</span> <span class="s1">&#39;list_train.txt&#39;</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">list_val_path</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="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">,</span> <span class="s1">&#39;list_val.txt&#39;</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">list_query_path</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="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">,</span> <span class="s1">&#39;list_query.txt&#39;</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">list_gallery_path</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="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">main_dir</span><span class="p">,</span> <span class="s1">&#39;list_gallery.txt&#39;</span><span class="p">)</span>
<span class="n">required_files</span> <span class="o">=</span> <span class="p">[</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">train_dir</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">test_dir</span>
<span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">check_before_run</span><span class="p">(</span><span class="n">required_files</span><span class="p">)</span>
<span class="n">train</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">process_dir</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train_dir</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_train_path</span><span class="p">)</span>
<span class="n">val</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">process_dir</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train_dir</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_val_path</span><span class="p">)</span>
<span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">process_dir</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">test_dir</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_query_path</span><span class="p">)</span>
<span class="n">gallery</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">process_dir</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">test_dir</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_gallery_path</span><span class="p">)</span>
<span class="c1"># Note: to fairly compare with published methods on the conventional ReID setting,</span>
<span class="c1"># do not add val images to the training set.</span>
<span class="k">if</span> <span class="s1">&#39;combineall&#39;</span> <span class="ow">in</span> <span class="n">kwargs</span> <span class="ow">and</span> <span class="n">kwargs</span><span class="p">[</span><span class="s1">&#39;combineall&#39;</span><span class="p">]:</span>
<span class="n">train</span> <span class="o">+=</span> <span class="n">val</span>
<span class="nb">super</span><span class="p">(</span><span class="n">MSMT17</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">train</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="n">gallery</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">process_dir</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dir_path</span><span class="p">,</span> <span class="n">list_path</span><span class="p">):</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">list_path</span><span class="p">,</span> <span class="s1">&#39;r&#39;</span><span class="p">)</span> <span class="k">as</span> <span class="n">txt</span><span class="p">:</span>
<span class="n">lines</span> <span class="o">=</span> <span class="n">txt</span><span class="o">.</span><span class="n">readlines</span><span class="p">()</span>
<span class="n">data</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">img_idx</span><span class="p">,</span> <span class="n">img_info</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">lines</span><span class="p">):</span>
<span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span> <span class="o">=</span> <span class="n">img_info</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="p">)</span>
<span class="n">pid</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">pid</span><span class="p">)</span> <span class="c1"># no need to relabel</span>
<span class="n">camid</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">img_path</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;_&#39;</span><span class="p">)[</span><span class="mi">2</span><span class="p">])</span> <span class="o">-</span> <span class="mi">1</span> <span class="c1"># index starts from 0</span>
<span class="n">img_path</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">dir_path</span><span class="p">,</span> <span class="n">img_path</span><span class="p">)</span>
<span class="n">data</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span><span class="p">))</span>
<span class="k">return</span> <span class="n">data</span></div>
</pre></div>
</div>
</div>
<footer>
<hr/>
<div role="contentinfo">
<p>
&copy; 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>