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 118   <div class="summary">
 119 <a href="#pub-methods">Public Member Functions</a>  </div>
 120   <div class="headertitle">
 121 <div class="title">NECannyEdge Class Reference</div>  </div>
 122 </div><!--header-->
 123 <div class="contents">
 124
 125 <p>Basic function to execute canny edge on NEON.
 126  <a href="classarm__compute_1_1_n_e_canny_edge.xhtml#details">More...</a></p>
 127
 128 <p><code>#include &lt;<a class="el" href="_n_e_canny_edge_8h_source.xhtml">NECannyEdge.h</a>&gt;</code></p>
 129 <div class="dynheader">
 130 Collaboration diagram for NECannyEdge:</div>
 131 <div class="dyncontent">
 132 <div class="center"><iframe scrolling="no" frameborder="0" src="classarm__compute_1_1_n_e_canny_edge__coll__graph.svg" width="123" height="112"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
 133 </div>
 134 <center><span class="legend">[<a target="top" href="graph_legend.xhtml">legend</a>]</span></center></div>
 135 <table class="memberdecls">
 136 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 137 Public Member Functions</h2></td></tr>
 138 <tr class="memitem:ae8ba206ac7ec00eb2f4a1624c047faaa"><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#ae8ba206ac7ec00eb2f4a1624c047faaa">NECannyEdge</a> (std::shared_ptr&lt; <a class="el" href="classarm__compute_1_1_i_memory_manager.xhtml">IMemoryManager</a> &gt; memory_manager=nullptr)</td></tr>
 139 <tr class="memdesc:ae8ba206ac7ec00eb2f4a1624c047faaa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <a href="#ae8ba206ac7ec00eb2f4a1624c047faaa">More...</a><br /></td></tr>
 140 <tr class="separator:ae8ba206ac7ec00eb2f4a1624c047faaa"><td class="memSeparator" colspan="2">&#160;</td></tr>
 141 <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>
 142 <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>
 143 <tr class="separator:a168eb5b6fa7992e8a6eea6d665f1c006"><td class="memSeparator" colspan="2">&#160;</td></tr>
 144 <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>
 145 <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>
 146 <tr class="separator:a325fac2836aecb2da2f86b7699e2b359"><td class="memSeparator" colspan="2">&#160;</td></tr>
 147 <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>
 148 <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>
 149 <tr class="separator:a9222c1af43116f31809789741c6adef0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 150 <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>
 151 <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>
 152 <tr class="separator:ad1717410afd0be936c6213a63c8005fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 153 <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>
 154 <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>
 155 <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>
 156 <tr class="separator:ab921ecc3f3f6ae2b4bd61f3e1998d8c4 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memSeparator" colspan="2">&#160;</td></tr>
 157 <tr class="memitem:a820f7291c24155a2980512fae45aac26 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_i_function.xhtml#a820f7291c24155a2980512fae45aac26">prepare</a> ()</td></tr>
 158 <tr class="memdesc:a820f7291c24155a2980512fae45aac26 inherit pub_methods_classarm__compute_1_1_i_function"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prepare the function for executing.  <a href="#a820f7291c24155a2980512fae45aac26">More...</a><br /></td></tr>
 159 <tr class="separator:a820f7291c24155a2980512fae45aac26 inherit pub_methods_classarm__compute_1_1_i_function"><td class="memSeparator" colspan="2">&#160;</td></tr>
 160 </table>
 161 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 162 <div class="textblock"><p>Basic function to execute canny edge on NEON. </p>
 163 <p>This function calls the following NEON kernels and functions:</p>
 164 <ol type="1">
 165 <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>
 166 <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>
 167 <li><a class="el" href="classarm__compute_1_1_n_e_gradient_kernel.xhtml">NEGradientKernel</a></li>
 168 <li><a class="el" href="classarm__compute_1_1_n_e_edge_non_max_suppression_kernel.xhtml">NEEdgeNonMaxSuppressionKernel</a></li>
 169 <li><a class="el" href="classarm__compute_1_1_n_e_edge_trace_kernel.xhtml">NEEdgeTraceKernel</a> </li>
 170 </ol>
 171
 172 <p>Definition at line <a class="el" href="_n_e_canny_edge_8h_source.xhtml#l00053">53</a> of file <a class="el" href="_n_e_canny_edge_8h_source.xhtml">NECannyEdge.h</a>.</p>
 173 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 174 <a class="anchor" id="ae8ba206ac7ec00eb2f4a1624c047faaa"></a>
 175 <div class="memitem">
 176 <div class="memproto">
 177       <table class="memname">
 178         <tr>
 179           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> </td>
 180           <td>(</td>
 181           <td class="paramtype">std::shared_ptr&lt; <a class="el" href="classarm__compute_1_1_i_memory_manager.xhtml">IMemoryManager</a> &gt;&#160;</td>
 182           <td class="paramname"><em>memory_manager</em> = <code>nullptr</code></td><td>)</td>
 183           <td></td>
 184         </tr>
 185       </table>
 186 </div><div class="memdoc">
 187
 188 <p>Constructor. </p>
 189 <p>Initialize Sobel kernel to nullptr.</p>
 190 <dl class="params"><dt>Parameters</dt><dd>
 191   <table class="params">
 192     <tr><td class="paramdir">[in]</td><td class="paramname">memory_manager</td><td>(Optional) <a class="el" href="classarm__compute_1_1_memory.xhtml" title="CPU implementation of memory object. ">Memory</a> manager. </td></tr>
 193   </table>
 194   </dd>
 195 </dl>
 196
 197 </div>
 198 </div>
 199 <a class="anchor" id="a168eb5b6fa7992e8a6eea6d665f1c006"></a>
 200 <div class="memitem">
 201 <div class="memproto">
 202 <table class="mlabels">
 203   <tr>
 204   <td class="mlabels-left">
 205       <table class="memname">
 206         <tr>
 207           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> </td>
 208           <td>(</td>
 209           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;&#160;</td>
 210           <td class="paramname"></td><td>)</td>
 211           <td></td>
 212         </tr>
 213       </table>
 214   </td>
 215   <td class="mlabels-right">
 216 <span class="mlabels"><span class="mlabel">delete</span></span>  </td>
 217   </tr>
 218 </table>
 219 </div><div class="memdoc">
 220
 221 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
 222
 223 </div>
 224 </div>
 225 <h2 class="groupheader">Member Function Documentation</h2>
 226 <a class="anchor" id="a9222c1af43116f31809789741c6adef0"></a>
 227 <div class="memitem">
 228 <div class="memproto">
 229       <table class="memname">
 230         <tr>
 231           <td class="memname">void configure </td>
 232           <td>(</td>
 233           <td class="paramtype"><a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *&#160;</td>
 234           <td class="paramname"><em>input</em>, </td>
 235         </tr>
 236         <tr>
 237           <td class="paramkey"></td>
 238           <td></td>
 239           <td class="paramtype"><a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *&#160;</td>
 240           <td class="paramname"><em>output</em>, </td>
 241         </tr>
 242         <tr>
 243           <td class="paramkey"></td>
 244           <td></td>
 245           <td class="paramtype">int32_t&#160;</td>
 246           <td class="paramname"><em>upper_thr</em>, </td>
 247         </tr>
 248         <tr>
 249           <td class="paramkey"></td>
 250           <td></td>
 251           <td class="paramtype">int32_t&#160;</td>
 252           <td class="paramname"><em>lower_thr</em>, </td>
 253         </tr>
 254         <tr>
 255           <td class="paramkey"></td>
 256           <td></td>
 257           <td class="paramtype">int32_t&#160;</td>
 258           <td class="paramname"><em>gradient_size</em>, </td>
 259         </tr>
 260         <tr>
 261           <td class="paramkey"></td>
 262           <td></td>
 263           <td class="paramtype">int32_t&#160;</td>
 264           <td class="paramname"><em>norm_type</em>, </td>
 265         </tr>
 266         <tr>
 267           <td class="paramkey"></td>
 268           <td></td>
 269           <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a>&#160;</td>
 270           <td class="paramname"><em>border_mode</em>, </td>
 271         </tr>
 272         <tr>
 273           <td class="paramkey"></td>
 274           <td></td>
 275           <td class="paramtype">uint8_t&#160;</td>
 276           <td class="paramname"><em>constant_border_value</em> = <code>0</code>, </td>
 277         </tr>
 278         <tr>
 279           <td class="paramkey"></td>
 280           <td></td>
 281           <td class="paramtype">bool&#160;</td>
 282           <td class="paramname"><em>use_fp16</em> = <code>false</code>&#160;</td>
 283         </tr>
 284         <tr>
 285           <td></td>
 286           <td>)</td>
 287           <td></td><td></td>
 288         </tr>
 289       </table>
 290 </div><div class="memdoc">
 291
 292 <p>Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode. </p>
 293 <dl class="params"><dt>Parameters</dt><dd>
 294   <table class="params">
 295     <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>
 296     <tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Destination tensor. Data type supported: U8. </td></tr>
 297     <tr><td class="paramdir">[in]</td><td class="paramname">upper_thr</td><td>Upper threhold used for the hysteresis </td></tr>
 298     <tr><td class="paramdir">[in]</td><td class="paramname">lower_thr</td><td>Lower threshold used for the hysteresis. </td></tr>
 299     <tr><td class="paramdir">[in]</td><td class="paramname">gradient_size</td><td>Gradient size (3, 5 or 7) </td></tr>
 300     <tr><td class="paramdir">[in]</td><td class="paramname">norm_type</td><td>Normalization type. If 1, L1-Norm otherwise L2-Norm </td></tr>
 301     <tr><td class="paramdir">[in]</td><td class="paramname">border_mode</td><td>Border mode to use for the convolution. </td></tr>
 302     <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>
 303     <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>
 304   </table>
 305   </dd>
 306 </dl>
 307
 308 </div>
 309 </div>
 310 <a class="anchor" id="a325fac2836aecb2da2f86b7699e2b359"></a>
 311 <div class="memitem">
 312 <div class="memproto">
 313 <table class="mlabels">
 314   <tr>
 315   <td class="mlabels-left">
 316       <table class="memname">
 317         <tr>
 318           <td class="memname"><a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a>&amp; operator= </td>
 319           <td>(</td>
 320           <td class="paramtype">const <a class="el" href="classarm__compute_1_1_n_e_canny_edge.xhtml">NECannyEdge</a> &amp;&#160;</td>
 321           <td class="paramname"></td><td>)</td>
 322           <td></td>
 323         </tr>
 324       </table>
 325   </td>
 326   <td class="mlabels-right">
 327 <span class="mlabels"><span class="mlabel">delete</span></span>  </td>
 328   </tr>
 329 </table>
 330 </div><div class="memdoc">
 331
 332 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
 333
 334 </div>
 335 </div>
 336 <a class="anchor" id="ad1717410afd0be936c6213a63c8005fb"></a>
 337 <div class="memitem">
 338 <div class="memproto">
 339 <table class="mlabels">
 340   <tr>
 341   <td class="mlabels-left">
 342       <table class="memname">
 343         <tr>
 344           <td class="memname">void run </td>
 345           <td>(</td>
 346           <td class="paramname"></td><td>)</td>
 347           <td></td>
 348         </tr>
 349       </table>
 350   </td>
 351   <td class="mlabels-right">
 352 <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
 353   </tr>
 354 </table>
 355 </div><div class="memdoc">
 356
 357 <p>Run the kernels contained in the function. </p>
 358 <p>For NEON kernels:</p><ul>
 359 <li>Multi-threading is used for the kernels which are parallelisable.</li>
 360 <li>By default std::thread::hardware_concurrency() threads are used.</li>
 361 </ul>
 362 <dl class="section note"><dt>Note</dt><dd><a class="el" href="classarm__compute_1_1_c_p_p_scheduler.xhtml#ae64eebaa07f4d2da6cc2ba538c3cb095">CPPScheduler::set_num_threads()</a> can be used to manually set the number of threads</dd></dl>
 363 <p>For OpenCL kernels:</p><ul>
 364 <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>
 365 <li>The queue is then flushed.</li>
 366 </ul>
 367 <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>
 368 <dd>
 369 Will call <a class="el" href="classarm__compute_1_1_i_function.xhtml#a820f7291c24155a2980512fae45aac26" title="Prepare the function for executing. ">prepare()</a> on first run if hasn't been done </dd></dl>
 370
 371 <p>Implements <a class="el" href="classarm__compute_1_1_i_function.xhtml#a18954417d3124a8095783ea13dc6d00b">IFunction</a>.</p>
 372
 373 </div>
 374 </div>
 375 <hr/>The documentation for this class was generated from the following file:<ul>
 376 <li>arm_compute/runtime/NEON/functions/<a class="el" href="_n_e_canny_edge_8h_source.xhtml">NECannyEdge.h</a></li>
 377 </ul>
 378 </div><!-- contents -->
 379 </div><!-- doc-content -->
 380 <!-- start footer part -->
 381 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 382   <ul>
 383     <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>
 384     <li class="footer">Generated on Wed May 23 2018 11:36:42 for Compute Library by
 385     <a href="http://www.doxygen.org/index.html">
 386     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
 387   </ul>
 388 </div>
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