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<h1>Source code for torchreid.data.datasets.image.sensereid</h1><div class="highlight"><pre>
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<span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">absolute_import</span>
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<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">print_function</span>
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<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">division</span>
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<span class="kn">import</span> <span class="nn">os.path</span> <span class="k">as</span> <span class="nn">osp</span>
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<span class="kn">import</span> <span class="nn">glob</span>
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<span class="kn">import</span> <span class="nn">copy</span>
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<span class="kn">from</span> <span class="nn">torchreid.data.datasets</span> <span class="k">import</span> <span class="n">ImageDataset</span>
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<div class="viewcode-block" id="SenseReID"><a class="viewcode-back" href="../../../../../pkg/data.html#torchreid.data.datasets.image.sensereid.SenseReID">[docs]</a><span class="k">class</span> <span class="nc">SenseReID</span><span class="p">(</span><span class="n">ImageDataset</span><span class="p">):</span>
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<span class="sd">"""SenseReID.</span>
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<span class="sd"> This dataset is used for test purpose only.</span>
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<span class="sd"> Reference:</span>
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<span class="sd"> Zhao et al. Spindle Net: Person Re-identification with Human Body</span>
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<span class="sd"> Region Guided Feature Decomposition and Fusion. CVPR 2017.</span>
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<span class="sd"> URL: `<https://drive.google.com/file/d/0B56OfSrVI8hubVJLTzkwV2VaOWM/view>`_</span>
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<span class="sd"> Dataset statistics:</span>
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<span class="sd"> - query: 522 ids, 1040 images.</span>
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<span class="sd"> - gallery: 1717 ids, 3388 images.</span>
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<span class="sd"> """</span>
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<span class="n">dataset_dir</span> <span class="o">=</span> <span class="s1">'sensereid'</span>
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<span class="n">dataset_url</span> <span class="o">=</span> <span class="kc">None</span>
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<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">''</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
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<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>
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<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>
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<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>
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<span class="bp">self</span><span class="o">.</span><span class="n">query_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="s1">'SenseReID'</span><span class="p">,</span> <span class="s1">'test_probe'</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">gallery_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="s1">'SenseReID'</span><span class="p">,</span> <span class="s1">'test_gallery'</span><span class="p">)</span>
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<span class="n">required_files</span> <span class="o">=</span> <span class="p">[</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">dataset_dir</span><span class="p">,</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">query_dir</span><span class="p">,</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">gallery_dir</span>
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<span class="p">]</span>
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<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>
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<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">query_dir</span><span class="p">)</span>
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<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">gallery_dir</span><span class="p">)</span>
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<span class="c1"># relabel</span>
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<span class="n">g_pids</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
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<span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">gallery</span><span class="p">:</span>
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<span class="n">g_pids</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pid</span><span class="p">)</span>
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<span class="n">pid2label</span> <span class="o">=</span> <span class="p">{</span><span class="n">pid</span><span class="p">:</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">pid</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">g_pids</span><span class="p">)}</span>
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<span class="n">query</span> <span class="o">=</span> <span class="p">[(</span><span class="n">img_path</span><span class="p">,</span> <span class="n">pid2label</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">for</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="ow">in</span> <span class="n">query</span><span class="p">]</span>
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<span class="n">gallery</span> <span class="o">=</span> <span class="p">[(</span><span class="n">img_path</span><span class="p">,</span> <span class="n">pid2label</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">for</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="ow">in</span> <span class="n">gallery</span><span class="p">]</span>
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<span class="n">train</span> <span class="o">=</span> <span class="n">copy</span><span class="o">.</span><span class="n">deepcopy</span><span class="p">(</span><span class="n">query</span><span class="p">)</span> <span class="o">+</span> <span class="n">copy</span><span class="o">.</span><span class="n">deepcopy</span><span class="p">(</span><span class="n">gallery</span><span class="p">)</span> <span class="c1"># dummy variable</span>
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<span class="nb">super</span><span class="p">(</span><span class="n">SenseReID</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>
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<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>
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<span class="n">img_paths</span> <span class="o">=</span> <span class="n">glob</span><span class="o">.</span><span class="n">glob</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="n">dir_path</span><span class="p">,</span> <span class="s1">'*.jpg'</span><span class="p">))</span>
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<span class="n">data</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="k">for</span> <span class="n">img_path</span> <span class="ow">in</span> <span class="n">img_paths</span><span class="p">:</span>
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<span class="n">img_name</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">splitext</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">img_path</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
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<span class="n">pid</span><span class="p">,</span> <span class="n">camid</span> <span class="o">=</span> <span class="n">img_name</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'_'</span><span class="p">)</span>
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<span class="n">pid</span><span class="p">,</span> <span class="n">camid</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="nb">int</span><span class="p">(</span><span class="n">camid</span><span class="p">)</span>
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<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>
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<span class="k">return</span> <span class="n">data</span></div>
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</pre></div>
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