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 117   <div class="summary">
 118 <a href="#pub-methods">Public Member Functions</a>  </div>
 119   <div class="headertitle">
 120 <div class="title">NEHOGMultiDetection Class Reference</div>  </div>
 121 </div><!--header-->
 122 <div class="contents">
 123
 124 <p>Basic function to detect multiple objects (or the same object at different scales) on the same input image using <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a>.
 125  <a href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml#details">More...</a></p>
 126
 127 <p><code>#include &lt;<a class="el" href="_n_e_h_o_g_multi_detection_8h_source.xhtml">NEHOGMultiDetection.h</a>&gt;</code></p>
 128 <div class="dynheader">
 129 Collaboration diagram for NEHOGMultiDetection:</div>
 130 <div class="dyncontent">
 131 <div class="center"><iframe scrolling="no" frameborder="0" src="classarm__compute_1_1_n_e_h_o_g_multi_detection__coll__graph.svg" width="166" height="112"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
 132 </div>
 133 <center><span class="legend">[<a target="top" href="graph_legend.xhtml">legend</a>]</span></center></div>
 134 <table class="memberdecls">
 135 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 136 Public Member Functions</h2></td></tr>
 137 <tr class="memitem:a463ea561c0ec68b57bccc5f4b2485ac8"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml#a463ea561c0ec68b57bccc5f4b2485ac8">NEHOGMultiDetection</a> ()</td></tr>
 138 <tr class="memdesc:a463ea561c0ec68b57bccc5f4b2485ac8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default constructor.  <a href="#a463ea561c0ec68b57bccc5f4b2485ac8">More...</a><br /></td></tr>
 139 <tr class="separator:a463ea561c0ec68b57bccc5f4b2485ac8"><td class="memSeparator" colspan="2">&#160;</td></tr>
 140 <tr class="memitem:abb8258d13d0759751d0a95299f091e02"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml#abb8258d13d0759751d0a95299f091e02">NEHOGMultiDetection</a> (const <a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> &amp;)=delete</td></tr>
 141 <tr class="memdesc:abb8258d13d0759751d0a95299f091e02"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prevent instances of this class from being copied (As this class contains pointers)  <a href="#abb8258d13d0759751d0a95299f091e02">More...</a><br /></td></tr>
 142 <tr class="separator:abb8258d13d0759751d0a95299f091e02"><td class="memSeparator" colspan="2">&#160;</td></tr>
 143 <tr class="memitem:a700706067ae7a82357f78ab2513cac99"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml#a700706067ae7a82357f78ab2513cac99">operator=</a> (const <a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> &amp;)=delete</td></tr>
 144 <tr class="memdesc:a700706067ae7a82357f78ab2513cac99"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prevent instances of this class from being copied (As this class contains pointers)  <a href="#a700706067ae7a82357f78ab2513cac99">More...</a><br /></td></tr>
 145 <tr class="separator:a700706067ae7a82357f78ab2513cac99"><td class="memSeparator" colspan="2">&#160;</td></tr>
 146 <tr class="memitem:a8fa7fa549af77189982f584036c14271"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml#a8fa7fa549af77189982f584036c14271">configure</a> (<a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *input, const <a class="el" href="classarm__compute_1_1_i_multi_h_o_g.xhtml">IMultiHOG</a> *multi_hog, <a class="el" href="namespacearm__compute.xhtml#a52b3b9de6092ae37321159c4c2f1bf40">IDetectionWindowArray</a> *detection_windows, const <a class="el" href="namespacearm__compute.xhtml#a32e4b9083329486a06960006af89a84c">ISize2DArray</a> *detection_window_strides, <a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a> border_mode, uint8_t constant_border_value=0, float threshold=0.0f, bool non_maxima_suppression=false, float min_distance=1.0f)</td></tr>
 147 <tr class="memdesc:a8fa7fa549af77189982f584036c14271"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise the function's source, destination, detection window strides, border mode, threshold and non-maxima suppression.  <a href="#a8fa7fa549af77189982f584036c14271">More...</a><br /></td></tr>
 148 <tr class="separator:a8fa7fa549af77189982f584036c14271"><td class="memSeparator" colspan="2">&#160;</td></tr>
 149 <tr class="memitem:ad1717410afd0be936c6213a63c8005fb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml#ad1717410afd0be936c6213a63c8005fb">run</a> () override</td></tr>
 150 <tr class="memdesc:ad1717410afd0be936c6213a63c8005fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Run the kernels contained in the function.  <a href="#ad1717410afd0be936c6213a63c8005fb">More...</a><br /></td></tr>
 151 <tr class="separator:ad1717410afd0be936c6213a63c8005fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 152 <tr class="inherit_header pub_methods_classarm__compute_1_1_i_function"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classarm__compute_1_1_i_function')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classarm__compute_1_1_i_function.xhtml">IFunction</a></td></tr>
 153 <tr class="memitem:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_i_function.xhtml#ab921ecc3f3f6ae2b4bd61f3e1998d8c4">~IFunction</a> ()=default</td></tr>
 154 <tr class="memdesc:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="#ab921ecc3f3f6ae2b4bd61f3e1998d8c4">More...</a><br /></td></tr>
 155 <tr class="separator:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memSeparator" colspan="2">&#160;</td></tr>
 156 </table>
 157 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 158 <div class="textblock"><p>Basic function to detect multiple objects (or the same object at different scales) on the same input image using <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a>. </p>
 159 <p>This function calls the following NEON kernels:</p>
 160 <ol type="1">
 161 <li><a class="el" href="classarm__compute_1_1_n_e_h_o_g_gradient.xhtml">NEHOGGradient</a></li>
 162 <li><a class="el" href="classarm__compute_1_1_n_e_h_o_g_orientation_binning_kernel.xhtml">NEHOGOrientationBinningKernel</a></li>
 163 <li><a class="el" href="classarm__compute_1_1_n_e_h_o_g_block_normalization_kernel.xhtml">NEHOGBlockNormalizationKernel</a></li>
 164 <li><a class="el" href="classarm__compute_1_1_n_e_h_o_g_detector.xhtml">NEHOGDetector</a></li>
 165 <li><a class="el" href="classarm__compute_1_1_n_e_h_o_g_non_maxima_suppression_kernel.xhtml">NEHOGNonMaximaSuppressionKernel</a> (executed if non_maxima_suppression == true)</li>
 166 </ol>
 167 <dl class="section note"><dt>Note</dt><dd>This implementation works if all the <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> data-objects within the <a class="el" href="classarm__compute_1_1_i_multi_h_o_g.xhtml" title="Interface for storing multiple HOG data-objects. ">IMultiHOG</a> container have the same:<ol type="1">
 168 <li>Phase type</li>
 169 <li>Normalization type</li>
 170 <li>L2 hysteresis threshold if the normalization type is L2HYS_NORM </li>
 171 </ol>
 172 </dd></dl>
 173
 174 <p>Definition at line <a class="el" href="_n_e_h_o_g_multi_detection_8h_source.xhtml#l00052">52</a> of file <a class="el" href="_n_e_h_o_g_multi_detection_8h_source.xhtml">NEHOGMultiDetection.h</a>.</p>
 175 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 176 <a class="anchor" id="a463ea561c0ec68b57bccc5f4b2485ac8"></a>
 177 <div class="memitem">
 178 <div class="memproto">
 179       <table class="memname">
 180         <tr>
 181           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> </td>
 182           <td>(</td>
 183           <td class="paramname"></td><td>)</td>
 184           <td></td>
 185         </tr>
 186       </table>
 187 </div><div class="memdoc">
 188
 189 <p>Default constructor. </p>
 190
 191 </div>
 192 </div>
 193 <a class="anchor" id="abb8258d13d0759751d0a95299f091e02"></a>
 194 <div class="memitem">
 195 <div class="memproto">
 196 <table class="mlabels">
 197   <tr>
 198   <td class="mlabels-left">
 199       <table class="memname">
 200         <tr>
 201           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> </td>
 202           <td>(</td>
 203           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> &amp;&#160;</td>
 204           <td class="paramname"></td><td>)</td>
 205           <td></td>
 206         </tr>
 207       </table>
 208   </td>
 209   <td class="mlabels-right">
 210 <span class="mlabels"><span class="mlabel">delete</span></span>  </td>
 211   </tr>
 212 </table>
 213 </div><div class="memdoc">
 214
 215 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
 216
 217 </div>
 218 </div>
 219 <h2 class="groupheader">Member Function Documentation</h2>
 220 <a class="anchor" id="a8fa7fa549af77189982f584036c14271"></a>
 221 <div class="memitem">
 222 <div class="memproto">
 223       <table class="memname">
 224         <tr>
 225           <td class="memname">void configure </td>
 226           <td>(</td>
 227           <td class="paramtype"><a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *&#160;</td>
 228           <td class="paramname"><em>input</em>, </td>
 229         </tr>
 230         <tr>
 231           <td class="paramkey"></td>
 232           <td></td>
 233           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_multi_h_o_g.xhtml">IMultiHOG</a> *&#160;</td>
 234           <td class="paramname"><em>multi_hog</em>, </td>
 235         </tr>
 236         <tr>
 237           <td class="paramkey"></td>
 238           <td></td>
 239           <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#a52b3b9de6092ae37321159c4c2f1bf40">IDetectionWindowArray</a> *&#160;</td>
 240           <td class="paramname"><em>detection_windows</em>, </td>
 241         </tr>
 242         <tr>
 243           <td class="paramkey"></td>
 244           <td></td>
 245           <td class="paramtype">const <a class="el" href="namespacearm__compute.xhtml#a32e4b9083329486a06960006af89a84c">ISize2DArray</a> *&#160;</td>
 246           <td class="paramname"><em>detection_window_strides</em>, </td>
 247         </tr>
 248         <tr>
 249           <td class="paramkey"></td>
 250           <td></td>
 251           <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a>&#160;</td>
 252           <td class="paramname"><em>border_mode</em>, </td>
 253         </tr>
 254         <tr>
 255           <td class="paramkey"></td>
 256           <td></td>
 257           <td class="paramtype">uint8_t&#160;</td>
 258           <td class="paramname"><em>constant_border_value</em> = <code>0</code>, </td>
 259         </tr>
 260         <tr>
 261           <td class="paramkey"></td>
 262           <td></td>
 263           <td class="paramtype">float&#160;</td>
 264           <td class="paramname"><em>threshold</em> = <code>0.0f</code>, </td>
 265         </tr>
 266         <tr>
 267           <td class="paramkey"></td>
 268           <td></td>
 269           <td class="paramtype">bool&#160;</td>
 270           <td class="paramname"><em>non_maxima_suppression</em> = <code>false</code>, </td>
 271         </tr>
 272         <tr>
 273           <td class="paramkey"></td>
 274           <td></td>
 275           <td class="paramtype">float&#160;</td>
 276           <td class="paramname"><em>min_distance</em> = <code>1.0f</code>&#160;</td>
 277         </tr>
 278         <tr>
 279           <td></td>
 280           <td>)</td>
 281           <td></td><td></td>
 282         </tr>
 283       </table>
 284 </div><div class="memdoc">
 285
 286 <p>Initialise the function's source, destination, detection window strides, border mode, threshold and non-maxima suppression. </p>
 287 <dl class="params"><dt>Parameters</dt><dd>
 288   <table class="params">
 289     <tr><td class="paramdir">[in,out]</td><td class="paramname">input</td><td>Input tensor. Data type supported: U8 (Written to only for <code>border_mode</code> != UNDEFINED) </td></tr>
 290     <tr><td class="paramdir">[in]</td><td class="paramname">multi_hog</td><td>Container of multiple <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> data object. Each <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> data object describes one <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> model to detect. This container should store the <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> data-objects in descending or ascending cell_size width order. This will help to understand if the <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> descriptor computation can be skipped for some <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> data-objects </td></tr>
 291     <tr><td class="paramdir">[out]</td><td class="paramname">detection_windows</td><td><a class="el" href="classarm__compute_1_1_array.xhtml" title="Basic implementation of the IArray interface which allocates a static number of T values...">Array</a> of <a class="el" href="structarm__compute_1_1_detection_window.xhtml">DetectionWindow</a> used for locating the detected objects </td></tr>
 292     <tr><td class="paramdir">[in]</td><td class="paramname">detection_window_strides</td><td><a class="el" href="classarm__compute_1_1_array.xhtml" title="Basic implementation of the IArray interface which allocates a static number of T values...">Array</a> of <a class="el" href="classarm__compute_1_1_size2_d.xhtml">Size2D</a> used to specify the distance in pixels between 2 consecutive detection windows in x and y directions for each <a class="el" href="classarm__compute_1_1_h_o_g.xhtml" title="CPU implementation of HOG data-object. ">HOG</a> data-object The dimension of this array must be the same of multi_hog-&gt;num_models() The i-th detection_window_stride of this array must be multiple of the block_stride stored in the i-th multi_hog array </td></tr>
 293     <tr><td class="paramdir">[in]</td><td class="paramname">border_mode</td><td>Border mode to use. </td></tr>
 294     <tr><td class="paramdir">[in]</td><td class="paramname">constant_border_value</td><td>(Optional) Constant value to use for borders if border_mode is set to CONSTANT. </td></tr>
 295     <tr><td class="paramdir">[in]</td><td class="paramname">threshold</td><td>(Optional) Threshold for the distance between features and SVM classifying plane </td></tr>
 296     <tr><td class="paramdir">[in]</td><td class="paramname">non_maxima_suppression</td><td>(Optional) Flag to specify whether the non-maxima suppression is required or not. True if the non-maxima suppression stage has to be computed </td></tr>
 297     <tr><td class="paramdir">[in]</td><td class="paramname">min_distance</td><td>(Optional) Radial Euclidean distance to use for the non-maxima suppression stage </td></tr>
 298   </table>
 299   </dd>
 300 </dl>
 301
 302 </div>
 303 </div>
 304 <a class="anchor" id="a700706067ae7a82357f78ab2513cac99"></a>
 305 <div class="memitem">
 306 <div class="memproto">
 307 <table class="mlabels">
 308   <tr>
 309   <td class="mlabels-left">
 310       <table class="memname">
 311         <tr>
 312           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a>&amp; operator= </td>
 313           <td>(</td>
 314           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a> &amp;&#160;</td>
 315           <td class="paramname"></td><td>)</td>
 316           <td></td>
 317         </tr>
 318       </table>
 319   </td>
 320   <td class="mlabels-right">
 321 <span class="mlabels"><span class="mlabel">delete</span></span>  </td>
 322   </tr>
 323 </table>
 324 </div><div class="memdoc">
 325
 326 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
 327
 328 </div>
 329 </div>
 330 <a class="anchor" id="ad1717410afd0be936c6213a63c8005fb"></a>
 331 <div class="memitem">
 332 <div class="memproto">
 333 <table class="mlabels">
 334   <tr>
 335   <td class="mlabels-left">
 336       <table class="memname">
 337         <tr>
 338           <td class="memname">void run </td>
 339           <td>(</td>
 340           <td class="paramname"></td><td>)</td>
 341           <td></td>
 342         </tr>
 343       </table>
 344   </td>
 345   <td class="mlabels-right">
 346 <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
 347   </tr>
 348 </table>
 349 </div><div class="memdoc">
 350
 351 <p>Run the kernels contained in the function. </p>
 352 <p>For NEON kernels:</p><ul>
 353 <li>Multi-threading is used for the kernels which are parallelisable.</li>
 354 <li>By default std::thread::hardware_concurrency() threads are used.</li>
 355 </ul>
 356 <dl class="section note"><dt>Note</dt><dd><a class="el" href="classarm__compute_1_1_c_p_p_scheduler.xhtml#ae9dc1846ff1612778bbac85d46344aef">CPPScheduler::force_number_of_threads()</a> can be used to manually set the number of threads</dd></dl>
 357 <p>For OpenCL kernels:</p><ul>
 358 <li>All the kernels are enqueued on the queue associated with <a class="el" href="classarm__compute_1_1_c_l_scheduler.xhtml" title="Provides global access to a CL context and command queue. ">CLScheduler</a>.</li>
 359 <li>The queue is then flushed.</li>
 360 </ul>
 361 <dl class="section note"><dt>Note</dt><dd>The function will not block until the kernels are executed. It is the user's responsibility to wait. </dd></dl>
 362
 363 <p>Implements <a class="el" href="classarm__compute_1_1_i_function.xhtml#a18954417d3124a8095783ea13dc6d00b">IFunction</a>.</p>
 364
 365 </div>
 366 </div>
 367 <hr/>The documentation for this class was generated from the following file:<ul>
 368 <li>arm_compute/runtime/NEON/functions/<a class="el" href="_n_e_h_o_g_multi_detection_8h_source.xhtml">NEHOGMultiDetection.h</a></li>
 369 </ul>
 370 </div><!-- contents -->
 371 </div><!-- doc-content -->
 372 <!-- start footer part -->
 373 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 374   <ul>
 375     <li class="navelem"><a class="el" href="namespacearm__compute.xhtml">arm_compute</a></li><li class="navelem"><a class="el" href="classarm__compute_1_1_n_e_h_o_g_multi_detection.xhtml">NEHOGMultiDetection</a></li>
 376     <li class="footer">Generated on Wed Apr 12 2017 14:26:06 for ARM Compute Library by
 377     <a href="http://www.doxygen.org/index.html">
 378     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
 379   </ul>
 380 </div>
 381 </body>
 382 </html>