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118 <a href="#pub-methods">Public Member Functions</a> </div>
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120 <div class="title">CLFastCorners Class Reference</div> </div>
122 <div class="contents">
124 <p>Basic function to execute fast corners.
125 <a href="classarm__compute_1_1_c_l_fast_corners.xhtml#details">More...</a></p>
127 <p><code>#include <<a class="el" href="_c_l_fast_corners_8h_source.xhtml">CLFastCorners.h</a>></code></p>
128 <div class="dynheader">
129 Collaboration diagram for CLFastCorners:</div>
130 <div class="dyncontent">
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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:a6084c2106cb3a239e026e70151bb0b33"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml#a6084c2106cb3a239e026e70151bb0b33">CLFastCorners</a> ()</td></tr>
138 <tr class="memdesc:a6084c2106cb3a239e026e70151bb0b33"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#a6084c2106cb3a239e026e70151bb0b33">More...</a><br /></td></tr>
139 <tr class="separator:a6084c2106cb3a239e026e70151bb0b33"><td class="memSeparator" colspan="2"> </td></tr>
140 <tr class="memitem:ad6e12ec23a51a2963b4716cb7a59a40e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml#ad6e12ec23a51a2963b4716cb7a59a40e">CLFastCorners</a> (const <a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> &)=delete</td></tr>
141 <tr class="memdesc:ad6e12ec23a51a2963b4716cb7a59a40e"><td class="mdescLeft"> </td><td class="mdescRight">Prevent instances of this class from being copied (As this class contains pointers) <a href="#ad6e12ec23a51a2963b4716cb7a59a40e">More...</a><br /></td></tr>
142 <tr class="separator:ad6e12ec23a51a2963b4716cb7a59a40e"><td class="memSeparator" colspan="2"> </td></tr>
143 <tr class="memitem:a5376467035ae425342d9feb333452d07"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml#a5376467035ae425342d9feb333452d07">operator=</a> (const <a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> &)=delete</td></tr>
144 <tr class="memdesc:a5376467035ae425342d9feb333452d07"><td class="mdescLeft"> </td><td class="mdescRight">Prevent instances of this class from being copied (As this class contains pointers) <a href="#a5376467035ae425342d9feb333452d07">More...</a><br /></td></tr>
145 <tr class="separator:a5376467035ae425342d9feb333452d07"><td class="memSeparator" colspan="2"> </td></tr>
146 <tr class="memitem:a25c563ab5edb7241d8f12406ed96b40c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml#a25c563ab5edb7241d8f12406ed96b40c">configure</a> (const <a class="el" href="namespacearm__compute.xhtml#aa80145f30ddae0c2ccbcaa910e3e71dd">ICLImage</a> *input, float threshold, bool nonmax_suppression, <a class="el" href="namespacearm__compute.xhtml#a55e1c5ed17b7ee3762198a38eb50650a">CLKeyPointArray</a> *corners, unsigned int *num_corners, <a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a> border_mode, uint8_t constant_border_value=0)</td></tr>
147 <tr class="memdesc:a25c563ab5edb7241d8f12406ed96b40c"><td class="mdescLeft"> </td><td class="mdescRight">Initialize the function's source, destination, conv and border_mode. <a href="#a25c563ab5edb7241d8f12406ed96b40c">More...</a><br /></td></tr>
148 <tr class="separator:a25c563ab5edb7241d8f12406ed96b40c"><td class="memSeparator" colspan="2"> </td></tr>
149 <tr class="memitem:ad1717410afd0be936c6213a63c8005fb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml#ad1717410afd0be936c6213a63c8005fb">run</a> () override</td></tr>
150 <tr class="memdesc:ad1717410afd0be936c6213a63c8005fb"><td class="mdescLeft"> </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"> </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="-"/> 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 </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"> </td><td class="mdescRight">Destructor. <a href="#ab921ecc3f3f6ae2b4bd61f3e1998d8c4">More...</a><br /></td></tr>
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157 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
158 <div class="textblock"><p>Basic function to execute fast corners. </p>
159 <p>This function calls the following CL kernels:</p>
161 <li><a class="el" href="classarm__compute_1_1_c_l_fast_corners_kernel.xhtml">CLFastCornersKernel</a></li>
162 <li><a class="el" href="classarm__compute_1_1_c_l_non_maxima_suppression3x3_kernel.xhtml">CLNonMaximaSuppression3x3Kernel</a> (executed if nonmax_suppression == true)</li>
163 <li><a class="el" href="classarm__compute_1_1_c_l_copy_to_array_kernel.xhtml">CLCopyToArrayKernel</a> </li>
166 <p>Definition at line <a class="el" href="_c_l_fast_corners_8h_source.xhtml#l00050">50</a> of file <a class="el" href="_c_l_fast_corners_8h_source.xhtml">CLFastCorners.h</a>.</p>
167 </div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
168 <a class="anchor" id="a6084c2106cb3a239e026e70151bb0b33"></a>
169 <div class="memitem">
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173 <td class="memname"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> </td>
175 <td class="paramname"></td><td>)</td>
179 </div><div class="memdoc">
185 <a class="anchor" id="ad6e12ec23a51a2963b4716cb7a59a40e"></a>
186 <div class="memitem">
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190 <td class="mlabels-left">
191 <table class="memname">
193 <td class="memname"><a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> </td>
195 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> & </td>
196 <td class="paramname"></td><td>)</td>
201 <td class="mlabels-right">
202 <span class="mlabels"><span class="mlabel">delete</span></span> </td>
205 </div><div class="memdoc">
207 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
211 <h2 class="groupheader">Member Function Documentation</h2>
212 <a class="anchor" id="a25c563ab5edb7241d8f12406ed96b40c"></a>
213 <div class="memitem">
214 <div class="memproto">
215 <table class="memname">
217 <td class="memname">void configure </td>
219 <td class="paramtype">const <a class="el" href="namespacearm__compute.xhtml#aa80145f30ddae0c2ccbcaa910e3e71dd">ICLImage</a> * </td>
220 <td class="paramname"><em>input</em>, </td>
223 <td class="paramkey"></td>
225 <td class="paramtype">float </td>
226 <td class="paramname"><em>threshold</em>, </td>
229 <td class="paramkey"></td>
231 <td class="paramtype">bool </td>
232 <td class="paramname"><em>nonmax_suppression</em>, </td>
235 <td class="paramkey"></td>
237 <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#a55e1c5ed17b7ee3762198a38eb50650a">CLKeyPointArray</a> * </td>
238 <td class="paramname"><em>corners</em>, </td>
241 <td class="paramkey"></td>
243 <td class="paramtype">unsigned int * </td>
244 <td class="paramname"><em>num_corners</em>, </td>
247 <td class="paramkey"></td>
249 <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327">BorderMode</a> </td>
250 <td class="paramname"><em>border_mode</em>, </td>
253 <td class="paramkey"></td>
255 <td class="paramtype">uint8_t </td>
256 <td class="paramname"><em>constant_border_value</em> = <code>0</code> </td>
264 </div><div class="memdoc">
266 <p>Initialize the function's source, destination, conv and border_mode. </p>
267 <dl class="params"><dt>Parameters</dt><dd>
268 <table class="params">
269 <tr><td class="paramdir">[in]</td><td class="paramname">input</td><td>Source image. Data types supported: U8. </td></tr>
270 <tr><td class="paramdir">[in]</td><td class="paramname">threshold</td><td>Threshold on difference between intensity of the central pixel and pixels on Bresenham's circle of radius 3. </td></tr>
271 <tr><td class="paramdir">[in]</td><td class="paramname">nonmax_suppression</td><td>If true, non-maximum suppression is applied to detected corners before being placed in the array. </td></tr>
272 <tr><td class="paramdir">[out]</td><td class="paramname">corners</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 keypoints to store the results. </td></tr>
273 <tr><td class="paramdir">[in,out]</td><td class="paramname">num_corners</td><td>Record number of corners in the array </td></tr>
274 <tr><td class="paramdir">[in]</td><td class="paramname">border_mode</td><td>Strategy to use for borders. </td></tr>
275 <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>
282 <a class="anchor" id="a5376467035ae425342d9feb333452d07"></a>
283 <div class="memitem">
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287 <td class="mlabels-left">
288 <table class="memname">
290 <td class="memname">const <a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a>& operator= </td>
292 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_c_l_fast_corners.xhtml">CLFastCorners</a> & </td>
293 <td class="paramname"></td><td>)</td>
298 <td class="mlabels-right">
299 <span class="mlabels"><span class="mlabel">delete</span></span> </td>
302 </div><div class="memdoc">
304 <p>Prevent instances of this class from being copied (As this class contains pointers) </p>
308 <a class="anchor" id="ad1717410afd0be936c6213a63c8005fb"></a>
309 <div class="memitem">
310 <div class="memproto">
311 <table class="mlabels">
313 <td class="mlabels-left">
314 <table class="memname">
316 <td class="memname">void run </td>
318 <td class="paramname"></td><td>)</td>
323 <td class="mlabels-right">
324 <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
327 </div><div class="memdoc">
329 <p>Run the kernels contained in the function. </p>
330 <p>For NEON kernels:</p><ul>
331 <li>Multi-threading is used for the kernels which are parallelisable.</li>
332 <li>By default std::thread::hardware_concurrency() threads are used.</li>
334 <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>
335 <p>For OpenCL kernels:</p><ul>
336 <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>
337 <li>The queue is then flushed.</li>
339 <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>
341 <p>Implements <a class="el" href="classarm__compute_1_1_i_function.xhtml#a18954417d3124a8095783ea13dc6d00b">IFunction</a>.</p>
345 <hr/>The documentation for this class was generated from the following file:<ul>
346 <li>arm_compute/runtime/CL/functions/<a class="el" href="_c_l_fast_corners_8h_source.xhtml">CLFastCorners.h</a></li>
348 </div><!-- contents -->
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