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<div class="title">NELKTrackerKernel.h</div> </div>
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<a href="_n_e_l_k_tracker_kernel_8h.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2016-2018 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#ifndef __ARM_COMPUTE_LKTRACKERKERNEL_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#define __ARM_COMPUTE_LKTRACKERKERNEL_H__</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_i_array_8h.xhtml">arm_compute/core/IArray.h</a>&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_i_n_e_kernel_8h.xhtml">arm_compute/core/NEON/INEKernel.h</a>&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="arm__compute_2core_2_types_8h.xhtml">arm_compute/core/Types.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;cstdint&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &lt;tuple&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;{</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">class </span>ITensor;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml"> 41</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml">NELKInternalKeypoint</a></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;{</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#ad0da36b2558901e21e7a30f6c227a45e"> 43</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#ad0da36b2558901e21e7a30f6c227a45e">x</a>{ 0.f }; </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#aa4f0d3eebc3c443f9be81bf48561a217"> 44</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#aa4f0d3eebc3c443f9be81bf48561a217">y</a>{ 0.f }; </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#a633fd1d1a22ab1b18aa0e091cb201553"> 45</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#a633fd1d1a22ab1b18aa0e091cb201553">tracking_status</a>{ <span class="keyword">false</span> }; </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;};</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="namespacearm__compute.xhtml#a19699533eb1b662e46a10715f6086487"> 49</a></span>&#160;<span class="keyword">using</span> <a class="code" href="classarm__compute_1_1_i_array.xhtml">INELKInternalKeypointArray</a> = <a class="code" href="classarm__compute_1_1_i_array.xhtml">IArray&lt;NELKInternalKeypoint&gt;</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml"> 52</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> : <span class="keyword">public</span> <a class="code" href="classarm__compute_1_1_i_c_p_p_kernel.xhtml">INEKernel</a></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;{</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#ab5656bb5b6334bdbe6e606c715872828"> 55</a></span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#ab5656bb5b6334bdbe6e606c715872828">name</a>()<span class="keyword"> const override</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;NELKTrackerKernel&quot;</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a10e6214af1515f5916f93dddd1bb3124">NELKTrackerKernel</a>();</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a10e6214af1515f5916f93dddd1bb3124">NELKTrackerKernel</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> &amp;<a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a4fca340cdf3937fc9d34364c0c63b87f">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a10e6214af1515f5916f93dddd1bb3124">NELKTrackerKernel</a>(<a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> &amp;&amp;) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> &amp;<a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a4fca340cdf3937fc9d34364c0c63b87f">operator=</a>(<a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">NELKTrackerKernel</a> &amp;&amp;) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#ab32b5b543a39437043fd3e6df25ec574">~NELKTrackerKernel</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a9db04388927168bc8d9423087dfa8a6d">configure</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *input_old, <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *input_new, <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *old_scharr_gx, <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *old_scharr_gy,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_array.xhtml">IKeyPointArray</a> *old_points, <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_array.xhtml">IKeyPointArray</a> *new_points_estimates, <a class="code" href="classarm__compute_1_1_i_array.xhtml">IKeyPointArray</a> *new_points,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <a class="code" href="classarm__compute_1_1_i_array.xhtml">INELKInternalKeypointArray</a> *old_points_internal, <a class="code" href="classarm__compute_1_1_i_array.xhtml">INELKInternalKeypointArray</a> *new_points_internal,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <a class="code" href="namespacearm__compute.xhtml#a08c1503414e23f5dd10ff83492685453">Termination</a> termination, <span class="keywordtype">bool</span> use_initial_estimate, <span class="keywordtype">float</span> <a class="code" href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_iterations, <span class="keywordtype">size_t</span> window_dimension,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordtype">size_t</span> level, <span class="keywordtype">size_t</span> num_levels, <span class="keywordtype">float</span> pyramid_scale);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">// Inherited methods overridden:</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a112b35dd205c62ea6ed1447ef226da82">run</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_window.xhtml">Window</a> &amp;<a class="code" href="classarm__compute_1_1_i_kernel.xhtml#ad34a46f53686c12a5c5e717cc9617fb6">window</a>, <span class="keyword">const</span> <a class="code" href="structarm__compute_1_1_thread_info.xhtml">ThreadInfo</a> &amp;<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>) <span class="keyword">override</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="structarm__compute_1_1_border_size.xhtml">BorderSize</a> <a class="code" href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a423f9a45a52983b4de5e2b347f4369c7">border_size</a>() <span class="keyword">const override</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordtype">void</span> init_keypoints(<span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; std::tuple&lt;int, int, int&gt; compute_spatial_gradient_matrix(<span class="keyword">const</span> <a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml">NELKInternalKeypoint</a> &amp;keypoint, int32_t *bilinear_ix, int32_t *bilinear_iy);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; std::pair&lt;int, int&gt; compute_image_mismatch_vector(<span class="keyword">const</span> <a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml">NELKInternalKeypoint</a> &amp;old_keypoint, <span class="keyword">const</span> <a class="code" href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml">NELKInternalKeypoint</a> &amp;new_keypoint, <span class="keyword">const</span> int32_t *bilinear_ix, <span class="keyword">const</span> int32_t *bilinear_iy);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *_input_old;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *_input_new;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *_old_scharr_gx;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> *_old_scharr_gy;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <a class="code" href="classarm__compute_1_1_i_array.xhtml">IKeyPointArray</a> *_new_points;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_array.xhtml">IKeyPointArray</a> *_new_points_estimates;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_array.xhtml">IKeyPointArray</a> *_old_points;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <a class="code" href="classarm__compute_1_1_i_array.xhtml">INELKInternalKeypointArray</a> *_old_points_internal;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <a class="code" href="classarm__compute_1_1_i_array.xhtml">INELKInternalKeypointArray</a> *_new_points_internal;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <a class="code" href="namespacearm__compute.xhtml#a08c1503414e23f5dd10ff83492685453">Termination</a> _termination;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordtype">bool</span> _use_initial_estimate;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordtype">float</span> _pyramid_scale;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordtype">float</span> _epsilon;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _num_iterations;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordtype">int</span> _window_dimension;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _level;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _num_levels;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <a class="code" href="structarm__compute_1_1_valid_region.xhtml">ValidRegion</a> _valid_region;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;};</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;} <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/*__ARM_COMPUTE_NELKTRACKERKERNEL_H__ */</span><span class="preprocessor"></span></div><div class="ttc" id="structarm__compute_1_1_n_e_l_k_internal_keypoint_xhtml"><div class="ttname"><a href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml">arm_compute::NELKInternalKeypoint</a></div><div class="ttdoc">Internal keypoint class for Lucas-Kanade Optical Flow.</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_l_k_tracker_kernel_8h_source.xhtml#l00041">NELKTrackerKernel.h:41</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_kernel_xhtml_ad34a46f53686c12a5c5e717cc9617fb6"><div class="ttname"><a href="classarm__compute_1_1_i_kernel.xhtml#ad34a46f53686c12a5c5e717cc9617fb6">arm_compute::IKernel::window</a></div><div class="ttdeci">const Window &amp; window() const</div><div class="ttdoc">The maximum window the kernel can be executed on.</div><div class="ttdef"><b>Definition:</b> <a href="_i_kernel_8cpp_source.xhtml#l00028">IKernel.cpp:28</a></div></div>
<div class="ttc" id="structarm__compute_1_1_border_size_xhtml"><div class="ttname"><a href="structarm__compute_1_1_border_size.xhtml">arm_compute::BorderSize</a></div><div class="ttdoc">Container for 2D border size.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_types_8h_source.xhtml#l00259">Types.h:259</a></div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_ab5656bb5b6334bdbe6e606c715872828"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#ab5656bb5b6334bdbe6e606c715872828">arm_compute::NELKTrackerKernel::name</a></div><div class="ttdeci">const char * name() const override</div><div class="ttdoc">Name of the kernel.</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_l_k_tracker_kernel_8h_source.xhtml#l00055">NELKTrackerKernel.h:55</a></div></div>
<div class="ttc" id="structarm__compute_1_1_n_e_l_k_internal_keypoint_xhtml_aa4f0d3eebc3c443f9be81bf48561a217"><div class="ttname"><a href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#aa4f0d3eebc3c443f9be81bf48561a217">arm_compute::NELKInternalKeypoint::y</a></div><div class="ttdeci">float y</div><div class="ttdoc">y coordinate of the keypoint</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_l_k_tracker_kernel_8h_source.xhtml#l00044">NELKTrackerKernel.h:44</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_c_p_p_kernel_xhtml"><div class="ttname"><a href="classarm__compute_1_1_i_c_p_p_kernel.xhtml">arm_compute::ICPPKernel</a></div><div class="ttdoc">Common interface for all kernels implemented in C++.</div><div class="ttdef"><b>Definition:</b> <a href="_i_c_p_p_kernel_8h_source.xhtml#l00035">ICPPKernel.h:35</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_array_xhtml"><div class="ttname"><a href="classarm__compute_1_1_i_array.xhtml">arm_compute::IArray&lt; NELKInternalKeypoint &gt;</a></div></div>
<div class="ttc" id="_asymm_helpers_8cpp_xhtml_a552dc3787d7ea1675f3e4e8993501d58"><div class="ttname"><a href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a></div><div class="ttdeci">constexpr float epsilon</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00033">AsymmHelpers.cpp:33</a></div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_a4fca340cdf3937fc9d34364c0c63b87f"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a4fca340cdf3937fc9d34364c0c63b87f">arm_compute::NELKTrackerKernel::operator=</a></div><div class="ttdeci">NELKTrackerKernel &amp; operator=(const NELKTrackerKernel &amp;)=delete</div><div class="ttdoc">Prevent instances of this class from being copied (As this class contains pointers)</div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_a112b35dd205c62ea6ed1447ef226da82"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a112b35dd205c62ea6ed1447ef226da82">arm_compute::NELKTrackerKernel::run</a></div><div class="ttdeci">void run(const Window &amp;window, const ThreadInfo &amp;info) override</div><div class="ttdoc">Execute the kernel on the passed window.</div></div>
<div class="ttc" id="classarm__compute_1_1_i_tensor_xhtml"><div class="ttname"><a href="classarm__compute_1_1_i_tensor.xhtml">arm_compute::ITensor</a></div><div class="ttdoc">Interface for NEON tensor.</div><div class="ttdef"><b>Definition:</b> <a href="_i_tensor_8h_source.xhtml#l00036">ITensor.h:36</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">Copyright (c) 2017-2018 ARM Limited.</div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00024">00_introduction.dox:24</a></div></div>
<div class="ttc" id="_i_array_8h_xhtml"><div class="ttname"><a href="_i_array_8h.xhtml">IArray.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_ab32b5b543a39437043fd3e6df25ec574"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#ab32b5b543a39437043fd3e6df25ec574">arm_compute::NELKTrackerKernel::~NELKTrackerKernel</a></div><div class="ttdeci">~NELKTrackerKernel()=default</div><div class="ttdoc">Default destructor.</div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_a423f9a45a52983b4de5e2b347f4369c7"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a423f9a45a52983b4de5e2b347f4369c7">arm_compute::NELKTrackerKernel::border_size</a></div><div class="ttdeci">BorderSize border_size() const override</div><div class="ttdoc">The size of the border for that kernel.</div></div>
<div class="ttc" id="structarm__compute_1_1_n_e_l_k_internal_keypoint_xhtml_ad0da36b2558901e21e7a30f6c227a45e"><div class="ttname"><a href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#ad0da36b2558901e21e7a30f6c227a45e">arm_compute::NELKInternalKeypoint::x</a></div><div class="ttdeci">float x</div><div class="ttdoc">x coordinate of the keypoint</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_l_k_tracker_kernel_8h_source.xhtml#l00043">NELKTrackerKernel.h:43</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a08c1503414e23f5dd10ff83492685453"><div class="ttname"><a href="namespacearm__compute.xhtml#a08c1503414e23f5dd10ff83492685453">arm_compute::Termination</a></div><div class="ttdeci">Termination</div><div class="ttdoc">Termination criteria.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_types_8h_source.xhtml#l00378">Types.h:378</a></div></div>
<div class="ttc" id="structarm__compute_1_1_n_e_l_k_internal_keypoint_xhtml_a633fd1d1a22ab1b18aa0e091cb201553"><div class="ttname"><a href="structarm__compute_1_1_n_e_l_k_internal_keypoint.xhtml#a633fd1d1a22ab1b18aa0e091cb201553">arm_compute::NELKInternalKeypoint::tracking_status</a></div><div class="ttdeci">bool tracking_status</div><div class="ttdoc">the tracking status of the keypoint</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_l_k_tracker_kernel_8h_source.xhtml#l00045">NELKTrackerKernel.h:45</a></div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_a9db04388927168bc8d9423087dfa8a6d"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a9db04388927168bc8d9423087dfa8a6d">arm_compute::NELKTrackerKernel::configure</a></div><div class="ttdeci">void configure(const ITensor *input_old, const ITensor *input_new, const ITensor *old_scharr_gx, const ITensor *old_scharr_gy, const IKeyPointArray *old_points, const IKeyPointArray *new_points_estimates, IKeyPointArray *new_points, INELKInternalKeypointArray *old_points_internal, INELKInternalKeypointArray *new_points_internal, Termination termination, bool use_initial_estimate, float epsilon, unsigned int num_iterations, size_t window_dimension, size_t level, size_t num_levels, float pyramid_scale)</div><div class="ttdoc">Initialise the kernel input and output.</div></div>
<div class="ttc" id="structarm__compute_1_1_thread_info_xhtml"><div class="ttname"><a href="structarm__compute_1_1_thread_info.xhtml">arm_compute::ThreadInfo</a></div><div class="ttdoc">Information about executing thread and CPU.</div><div class="ttdef"><b>Definition:</b> <a href="_c_p_p_types_8h_source.xhtml#l00225">CPPTypes.h:225</a></div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml">arm_compute::NELKTrackerKernel</a></div><div class="ttdoc">Interface for the Lucas-Kanade tracker kernel.</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_l_k_tracker_kernel_8h_source.xhtml#l00052">NELKTrackerKernel.h:52</a></div></div>
<div class="ttc" id="structarm__compute_1_1_valid_region_xhtml"><div class="ttname"><a href="structarm__compute_1_1_valid_region.xhtml">arm_compute::ValidRegion</a></div><div class="ttdoc">Container for valid region of a window.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_types_8h_source.xhtml#l00174">Types.h:174</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a4f4125dba5283887b34f889b1c615c0c"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">arm_compute::test::validation::info</a></div><div class="ttdeci">info</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_convolution_layer_8cpp_source.xhtml#l00174">ConvolutionLayer.cpp:174</a></div></div>
<div class="ttc" id="classarm__compute_1_1_n_e_l_k_tracker_kernel_xhtml_a10e6214af1515f5916f93dddd1bb3124"><div class="ttname"><a href="classarm__compute_1_1_n_e_l_k_tracker_kernel.xhtml#a10e6214af1515f5916f93dddd1bb3124">arm_compute::NELKTrackerKernel::NELKTrackerKernel</a></div><div class="ttdeci">NELKTrackerKernel()</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="_i_n_e_kernel_8h_xhtml"><div class="ttname"><a href="_i_n_e_kernel_8h.xhtml">INEKernel.h</a></div></div>
<div class="ttc" id="arm__compute_2core_2_types_8h_xhtml"><div class="ttname"><a href="arm__compute_2core_2_types_8h.xhtml">Types.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml">arm_compute::Window</a></div><div class="ttdoc">Describe a multidimensional execution window.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00039">Window.h:39</a></div></div>
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