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 116 <div class="header">
 117   <div class="summary">
 118 <a href="#pub-methods">Public Member Functions</a>  </div>
 119   <div class="headertitle">
 120 <div class="title">NECannyEdge Class Reference</div>  </div>
 121 </div><!--header-->
 122 <div class="contents">
 123
 124 <p>Basic function to execute canny edge on NEON.
 125  <a href="classarm__compute_1_1_n_e_canny_edge.xhtml#details">More...</a></p>
 126
 127 <p><code>#include &lt;<a class="el" href="_n_e_canny_edge_8h_source.xhtml">NECannyEdge.h</a>&gt;</code></p>
 128 <div class="dynheader">
 129 Collaboration diagram for NECannyEdge:</div>
 130 <div class="dyncontent">
 131 <div class="center"><iframe scrolling="no" frameborder="0" src="classarm__compute_1_1_n_e_canny_edge__coll__graph.svg" width="120" 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:ae42141847e0a4f706223a1f71d435451"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml#ae42141847e0a4f706223a1f71d435451">NECannyEdge</a> ()</td></tr>
 138 <tr class="memdesc:ae42141847e0a4f706223a1f71d435451"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <a href="#ae42141847e0a4f706223a1f71d435451">More...</a><br /></td></tr>
 139 <tr class="separator:ae42141847e0a4f706223a1f71d435451"><td class="memSeparator" colspan="2">&#160;</td></tr>
 140 <tr class="memitem:a168eb5b6fa7992e8a6eea6d665f1c006"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml#a168eb5b6fa7992e8a6eea6d665f1c006">NECannyEdge</a> (const <a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;)=delete</td></tr>
 141 <tr class="memdesc:a168eb5b6fa7992e8a6eea6d665f1c006"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prevent instances of this class from being copied (As this class contains pointers)  <a href="#a168eb5b6fa7992e8a6eea6d665f1c006">More...</a><br /></td></tr>
 142 <tr class="separator:a168eb5b6fa7992e8a6eea6d665f1c006"><td class="memSeparator" colspan="2">&#160;</td></tr>
 143 <tr class="memitem:a325fac2836aecb2da2f86b7699e2b359"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml#a325fac2836aecb2da2f86b7699e2b359">operator=</a> (const <a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;)=delete</td></tr>
 144 <tr class="memdesc:a325fac2836aecb2da2f86b7699e2b359"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prevent instances of this class from being copied (As this class contains pointers)  <a href="#a325fac2836aecb2da2f86b7699e2b359">More...</a><br /></td></tr>
 145 <tr class="separator:a325fac2836aecb2da2f86b7699e2b359"><td class="memSeparator" colspan="2">&#160;</td></tr>
 146 <tr class="memitem:a9222c1af43116f31809789741c6adef0"><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_canny_edge.xhtml#a9222c1af43116f31809789741c6adef0">configure</a> (<a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *input, <a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type, <a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a> border_mode, uint8_t constant_border_value=0, bool use_fp16=false)</td></tr>
 147 <tr class="memdesc:a9222c1af43116f31809789741c6adef0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.  <a href="#a9222c1af43116f31809789741c6adef0">More...</a><br /></td></tr>
 148 <tr class="separator:a9222c1af43116f31809789741c6adef0"><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_canny_edge.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 execute canny edge on NEON. </p>
 159 <p>This function calls the following NEON kernels and functions:</p>
 160 <ol type="1">
 161 <li><a class="el" href="classarm__compute_1_1_n_e_fill_border_kernel.xhtml">NEFillBorderKernel</a> (if border_mode == REPLICATE or border_mode == CONSTANT)</li>
 162 <li><a class="el" href="classarm__compute_1_1_n_e_sobel3x3.xhtml">NESobel3x3</a> (if gradient_size == 3) or <a class="el" href="classarm__compute_1_1_n_e_sobel5x5.xhtml">NESobel5x5</a> (if gradient_size == 5) or <a class="el" href="classarm__compute_1_1_n_e_sobel7x7.xhtml">NESobel7x7</a> (if gradient_size == 7)</li>
 163 <li><a class="el" href="classarm__compute_1_1_n_e_gradient_kernel.xhtml">NEGradientKernel</a></li>
 164 <li><a class="el" href="classarm__compute_1_1_n_e_edge_non_max_suppression_kernel.xhtml">NEEdgeNonMaxSuppressionKernel</a></li>
 165 <li><a class="el" href="classarm__compute_1_1_n_e_edge_trace_kernel.xhtml">NEEdgeTraceKernel</a> </li>
 166 </ol>
 167
 168 <p>Definition at line <a class="el" href="_n_e_canny_edge_8h_source.xhtml#l00051">51</a> of file <a class="el" href="_n_e_canny_edge_8h_source.xhtml">NECannyEdge.h</a>.</p>
 169 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 170 <a class="anchor" id="ae42141847e0a4f706223a1f71d435451"></a>
 171 <div class="memitem">
 172 <div class="memproto">
 173       <table class="memname">
 174         <tr>
 175           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> </td>
 176           <td>(</td>
 177           <td class="paramname"></td><td>)</td>
 178           <td></td>
 179         </tr>
 180       </table>
 181 </div><div class="memdoc">
 182
 183 <p>Constructor. </p>
 184 <p>Initialize Sobel kernel to nullptr. </p>
 185
 186 </div>
 187 </div>
 188 <a class="anchor" id="a168eb5b6fa7992e8a6eea6d665f1c006"></a>
 189 <div class="memitem">
 190 <div class="memproto">
 191 <table class="mlabels">
 192   <tr>
 193   <td class="mlabels-left">
 194       <table class="memname">
 195         <tr>
 196           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> </td>
 197           <td>(</td>
 198           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;&#160;</td>
 199           <td class="paramname"></td><td>)</td>
 200           <td></td>
 201         </tr>
 202       </table>
 203   </td>
 204   <td class="mlabels-right">
 205 <span class="mlabels"><span class="mlabel">delete</span></span>  </td>
 206   </tr>
 207 </table>
 208 </div><div class="memdoc">
 209
 210 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
 211
 212 </div>
 213 </div>
 214 <h2 class="groupheader">Member Function Documentation</h2>
 215 <a class="anchor" id="a9222c1af43116f31809789741c6adef0"></a>
 216 <div class="memitem">
 217 <div class="memproto">
 218       <table class="memname">
 219         <tr>
 220           <td class="memname">void configure </td>
 221           <td>(</td>
 222           <td class="paramtype"><a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *&#160;</td>
 223           <td class="paramname"><em>input</em>, </td>
 224         </tr>
 225         <tr>
 226           <td class="paramkey"></td>
 227           <td></td>
 228           <td class="paramtype"><a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *&#160;</td>
 229           <td class="paramname"><em>output</em>, </td>
 230         </tr>
 231         <tr>
 232           <td class="paramkey"></td>
 233           <td></td>
 234           <td class="paramtype">int32_t&#160;</td>
 235           <td class="paramname"><em>upper_thr</em>, </td>
 236         </tr>
 237         <tr>
 238           <td class="paramkey"></td>
 239           <td></td>
 240           <td class="paramtype">int32_t&#160;</td>
 241           <td class="paramname"><em>lower_thr</em>, </td>
 242         </tr>
 243         <tr>
 244           <td class="paramkey"></td>
 245           <td></td>
 246           <td class="paramtype">int32_t&#160;</td>
 247           <td class="paramname"><em>gradient_size</em>, </td>
 248         </tr>
 249         <tr>
 250           <td class="paramkey"></td>
 251           <td></td>
 252           <td class="paramtype">int32_t&#160;</td>
 253           <td class="paramname"><em>norm_type</em>, </td>
 254         </tr>
 255         <tr>
 256           <td class="paramkey"></td>
 257           <td></td>
 258           <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a>&#160;</td>
 259           <td class="paramname"><em>border_mode</em>, </td>
 260         </tr>
 261         <tr>
 262           <td class="paramkey"></td>
 263           <td></td>
 264           <td class="paramtype">uint8_t&#160;</td>
 265           <td class="paramname"><em>constant_border_value</em> = <code>0</code>, </td>
 266         </tr>
 267         <tr>
 268           <td class="paramkey"></td>
 269           <td></td>
 270           <td class="paramtype">bool&#160;</td>
 271           <td class="paramname"><em>use_fp16</em> = <code>false</code>&#160;</td>
 272         </tr>
 273         <tr>
 274           <td></td>
 275           <td>)</td>
 276           <td></td><td></td>
 277         </tr>
 278       </table>
 279 </div><div class="memdoc">
 280
 281 <p>Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode. </p>
 282 <dl class="params"><dt>Parameters</dt><dd>
 283   <table class="params">
 284     <tr><td class="paramdir">[in,out]</td><td class="paramname">input</td><td>Source tensor. Data type supported: U8. (Written to only for <code>border_mode</code> != UNDEFINED) </td></tr>
 285     <tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Destination tensor. Data type supported: U8. </td></tr>
 286     <tr><td class="paramdir">[in]</td><td class="paramname">upper_thr</td><td>Upper threhold used for the hysteresis </td></tr>
 287     <tr><td class="paramdir">[in]</td><td class="paramname">lower_thr</td><td>Lower threshold used for the hysteresis. </td></tr>
 288     <tr><td class="paramdir">[in]</td><td class="paramname">gradient_size</td><td>Gradient size (3, 5 or 7) </td></tr>
 289     <tr><td class="paramdir">[in]</td><td class="paramname">norm_type</td><td>Normalization type. If 1, L1-Norm otherwise L2-Norm </td></tr>
 290     <tr><td class="paramdir">[in]</td><td class="paramname">border_mode</td><td>Border mode to use for the convolution. </td></tr>
 291     <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>
 292     <tr><td class="paramdir">[in]</td><td class="paramname">use_fp16</td><td>(Optional) If true the FP16 kernels will be used. If false F32 kernels are used. </td></tr>
 293   </table>
 294   </dd>
 295 </dl>
 296
 297 </div>
 298 </div>
 299 <a class="anchor" id="a325fac2836aecb2da2f86b7699e2b359"></a>
 300 <div class="memitem">
 301 <div class="memproto">
 302 <table class="mlabels">
 303   <tr>
 304   <td class="mlabels-left">
 305       <table class="memname">
 306         <tr>
 307           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a>&amp; operator= </td>
 308           <td>(</td>
 309           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;&#160;</td>
 310           <td class="paramname"></td><td>)</td>
 311           <td></td>
 312         </tr>
 313       </table>
 314   </td>
 315   <td class="mlabels-right">
 316 <span class="mlabels"><span class="mlabel">delete</span></span>  </td>
 317   </tr>
 318 </table>
 319 </div><div class="memdoc">
 320
 321 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
 322
 323 </div>
 324 </div>
 325 <a class="anchor" id="ad1717410afd0be936c6213a63c8005fb"></a>
 326 <div class="memitem">
 327 <div class="memproto">
 328 <table class="mlabels">
 329   <tr>
 330   <td class="mlabels-left">
 331       <table class="memname">
 332         <tr>
 333           <td class="memname">void run </td>
 334           <td>(</td>
 335           <td class="paramname"></td><td>)</td>
 336           <td></td>
 337         </tr>
 338       </table>
 339   </td>
 340   <td class="mlabels-right">
 341 <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
 342   </tr>
 343 </table>
 344 </div><div class="memdoc">
 345
 346 <p>Run the kernels contained in the function. </p>
 347 <p>For NEON kernels:</p><ul>
 348 <li>Multi-threading is used for the kernels which are parallelisable.</li>
 349 <li>By default std::thread::hardware_concurrency() threads are used.</li>
 350 </ul>
 351 <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>
 352 <p>For OpenCL kernels:</p><ul>
 353 <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>
 354 <li>The queue is then flushed.</li>
 355 </ul>
 356 <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>
 357
 358 <p>Implements <a class="el" href="classarm__compute_1_1_i_function.xhtml#a18954417d3124a8095783ea13dc6d00b">IFunction</a>.</p>
 359
 360 </div>
 361 </div>
 362 <hr/>The documentation for this class was generated from the following file:<ul>
 363 <li>arm_compute/runtime/NEON/functions/<a class="el" href="_n_e_canny_edge_8h_source.xhtml">NECannyEdge.h</a></li>
 364 </ul>
 365 </div><!-- contents -->
 366 </div><!-- doc-content -->
 367 <!-- start footer part -->
 368 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 369   <ul>
 370     <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_canny_edge.xhtml">NECannyEdge</a></li>
 371     <li class="footer">Generated on Wed Apr 12 2017 14:26:06 for ARM Compute Library by
 372     <a href="http://www.doxygen.org/index.html">
 373     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
 374   </ul>
 375 </div>
 376 </body>
 377 </html>