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<section id="nonmaxsuppression">
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<h1>NonMaxSuppression<a class="headerlink" href="#nonmaxsuppression" title="此标题的永久链接"></a></h1>
|
||
<p>对检测框进行非极大值抑制（Non-Maximum Suppression, NMS），用于在目标检测中选取得分较高且重叠度低的边界框，并去除那些重叠度较高的低得分框。其目的是减少冗余边界框，提高目标检测的准确性。</p>
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<div class="math notranslate nohighlight">
|
||
\[ \begin{align}\begin{aligned}\text{对于每个类别 } c, \text{在同一批次下保留置信度较高且 IoU 小于阈值的框:}\\\text{若 } \mathrm{IoU}(box_i, box_j) > \text{iou\_threshold} \Rightarrow \text{抑制 } box_j,\end{aligned}\end{align} \]</div>
|
||
<div class="math notranslate nohighlight">
|
||
\[IoU=\frac{intersec\_area}{(cand.get\_area() + box.get\_area() - intersec\_area)}\]</div>
|
||
<dl>
|
||
<dt>输入：</dt><dd><ul class="simple">
|
||
<li><p><strong>NmsParam</strong> - 输入参数结构体。</p></li>
|
||
<li><p><strong>core_mask(int, 可选)</strong> - 核掩码（仅适用于共享存储版本）。</p></li>
|
||
</ul>
|
||
<p><strong>结构体定义：</strong></p>
|
||
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="k">typedef</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 2</span><span class="w"> </span><span class="kt">float</span><span class="o">*</span><span class="w"> </span><span class="n">boxes</span><span class="p">;</span><span class="w"> </span><span class="c1">// 形状为 (batch, num_boxes, 4)</span>
|
||
<span class="linenos"> 3</span><span class="w"> </span><span class="kt">float</span><span class="o">*</span><span class="w"> </span><span class="n">score</span><span class="p">;</span><span class="w"> </span><span class="c1">// 形状为 (batch, class, num_boxes)</span>
|
||
<span class="linenos"> 4</span><span class="w"> </span><span class="kt">int</span><span class="o">*</span><span class="w"> </span><span class="n">output</span><span class="p">;</span><span class="w"> </span><span class="c1">// 输出缓冲区</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="kt">float</span><span class="o">*</span><span class="w"> </span><span class="n">candidates</span><span class="p">;</span><span class="w"> </span><span class="c1">// 候选框临时缓冲区</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">batch_num</span><span class="p">;</span><span class="w"> </span><span class="c1">// 批次数量</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">class_num</span><span class="p">;</span><span class="w"> </span><span class="c1">// 类别数量</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">box_num</span><span class="p">;</span><span class="w"> </span><span class="c1">// 每个类别的框数量</span>
|
||
<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">center_point_box</span><span class="p">;</span><span class="w"> </span><span class="c1">// 0: corner box, 1: center point box</span>
|
||
<span class="linenos">10</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="n">simple_out</span><span class="p">;</span><span class="w"> </span><span class="c1">// true: 仅输出index, false: 输出 batch, class, index</span>
|
||
<span class="linenos">11</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">max_output_per_class</span><span class="p">;</span><span class="w"> </span><span class="c1">// 每个类别最大输出框数</span>
|
||
<span class="linenos">12</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">iou_threshold</span><span class="p">;</span><span class="w"> </span><span class="c1">// IoU 阈值</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">score_threshold</span><span class="p">;</span><span class="w"> </span><span class="c1">// 分数阈值</span>
|
||
<span class="linenos">14</span><span class="p">}</span><span class="w"> </span><span class="n">NmsParamFp32</span><span class="p">;</span>
|
||
<span class="linenos">15</span><span class="k">typedef</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos">16</span><span class="w"> </span><span class="kt">int8_t</span><span class="o">*</span><span class="w"> </span><span class="n">boxes</span><span class="p">;</span><span class="w"> </span><span class="c1">// 形状为 (batch, num_boxes, 4)</span>
|
||
<span class="linenos">17</span><span class="w"> </span><span class="kt">int8_t</span><span class="o">*</span><span class="w"> </span><span class="n">score</span><span class="p">;</span><span class="w"> </span><span class="c1">// 形状为 (batch, class, num_boxes)</span>
|
||
<span class="linenos">18</span><span class="w"> </span><span class="kt">int</span><span class="o">*</span><span class="w"> </span><span class="n">output</span><span class="p">;</span><span class="w"> </span><span class="c1">// 输出缓冲区</span>
|
||
<span class="linenos">19</span><span class="w"> </span><span class="kt">float</span><span class="o">*</span><span class="w"> </span><span class="n">candidates</span><span class="p">;</span><span class="w"> </span><span class="c1">// 候选框临时缓冲区</span>
|
||
<span class="linenos">20</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">batch_num</span><span class="p">;</span><span class="w"> </span><span class="c1">// 批次数量</span>
|
||
<span class="linenos">21</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">class_num</span><span class="p">;</span><span class="w"> </span><span class="c1">// 类别数量</span>
|
||
<span class="linenos">22</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">box_num</span><span class="p">;</span><span class="w"> </span><span class="c1">// 每个类别的框数量</span>
|
||
<span class="linenos">23</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">center_point_box</span><span class="p">;</span><span class="w"> </span><span class="c1">// 0: corner box, 1: center point box</span>
|
||
<span class="linenos">24</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="n">simple_out</span><span class="p">;</span><span class="w"> </span><span class="c1">// true: 仅输出index, false: 输出 batch, class, index</span>
|
||
<span class="linenos">25</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">max_output_per_class</span><span class="p">;</span><span class="w"> </span><span class="c1">// 每个类别最大输出框数</span>
|
||
<span class="linenos">26</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">iou_threshold</span><span class="p">;</span><span class="w"> </span><span class="c1">// IoU 阈值</span>
|
||
<span class="linenos">27</span><span class="w"> </span><span class="kt">int8_t</span><span class="w"> </span><span class="n">score_threshold</span><span class="p">;</span><span class="w"> </span><span class="c1">// 分数阈值</span>
|
||
<span class="linenos">28</span><span class="p">}</span><span class="w"> </span><span class="n">NmsParamInt8</span><span class="p">;</span>
|
||
<span class="linenos">29</span><span class="k">typedef</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos">30</span><span class="w"> </span><span class="n">float16</span><span class="o">*</span><span class="w"> </span><span class="n">boxes</span><span class="p">;</span>
|
||
<span class="linenos">31</span><span class="w"> </span><span class="n">float16</span><span class="o">*</span><span class="w"> </span><span class="n">score</span><span class="p">;</span>
|
||
<span class="linenos">32</span><span class="w"> </span><span class="kt">int</span><span class="o">*</span><span class="w"> </span><span class="n">output</span><span class="p">;</span>
|
||
<span class="linenos">33</span><span class="w"> </span><span class="n">float16</span><span class="o">*</span><span class="w"> </span><span class="n">candidates</span><span class="p">;</span>
|
||
<span class="linenos">34</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">batch_num</span><span class="p">;</span>
|
||
<span class="linenos">35</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">class_num</span><span class="p">;</span>
|
||
<span class="linenos">36</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">box_num</span><span class="p">;</span>
|
||
<span class="linenos">37</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">center_point_box</span><span class="p">;</span>
|
||
<span class="linenos">38</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">simple_out</span><span class="p">;</span>
|
||
<span class="linenos">39</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">max_output_per_class</span><span class="p">;</span>
|
||
<span class="linenos">40</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">iou_threshold_bits</span><span class="p">;</span>
|
||
<span class="linenos">41</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">score_threshold_bits</span><span class="p">;</span>
|
||
<span class="linenos">42</span><span class="p">}</span><span class="w"> </span><span class="n">NmsParamFp16</span><span class="p">;</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd>
|
||
<dt>支持平台：</dt><dd><p><code class="docutils literal notranslate"><span class="pre">FT78NE</span></code>
|
||
<code class="docutils literal notranslate"><span class="pre">MT7004</span></code></p>
|
||
</dd>
|
||
</dl>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">备注</p>
|
||
<ul class="simple">
|
||
<li><p>FT78NE 支持 fp32, int8</p></li>
|
||
<li><p>MT7004 支持 fp16, fp32</p></li>
|
||
<li><p>MT7004中使用结构体作为参数传入。</p></li>
|
||
</ul>
|
||
</div>
|
||
<p><strong>共享存储版本:</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.i8_non_max_suppression_s">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">i8_non_max_suppression_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">NmsParamInt8</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">param</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.i8_non_max_suppression_s" title="永久链接至目标"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.fp_non_max_suppression_s">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">fp_non_max_suppression_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">NmsParamFp32</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">param</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.fp_non_max_suppression_s" title="永久链接至目标"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.hp_non_max_suppression_s">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">hp_non_max_suppression_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">NmsParamFp16</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">param</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.hp_non_max_suppression_s" title="永久链接至目标"></a><br /></dt>
|
||
<dd><p><strong>C调用示例：</strong></p>
|
||
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="c1">//MT7004示例</span>
|
||
<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span>
|
||
<span class="linenos"> 3</span>
|
||
<span class="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">argc</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">argv</span><span class="p">[])</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">boxes</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xA0000000</span><span class="p">;</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">score</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xA1000000</span><span class="p">;</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="n">output</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xA2000000</span><span class="p">;</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="n">NmsParamFp32</span><span class="o">*</span><span class="w"> </span><span class="n">param</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">NmsParamFp32</span><span class="o">*</span><span class="p">)</span><span class="mh">0xA3000000</span><span class="p">;</span>
|
||
<span class="linenos"> 9</span>
|
||
<span class="linenos">10</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">boxes</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">boxes</span><span class="p">;</span>
|
||
<span class="linenos">11</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">score</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">score</span><span class="p">;</span>
|
||
<span class="linenos">12</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">output</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">output</span><span class="p">;</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">candidates</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">candidates</span><span class="p">;</span>
|
||
<span class="linenos">14</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">batch_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
|
||
<span class="linenos">15</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">class_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">3</span><span class="p">;</span>
|
||
<span class="linenos">16</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">box_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">100</span><span class="p">;</span>
|
||
<span class="linenos">17</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">center_point_box</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
|
||
<span class="linenos">18</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">simple_out</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
|
||
<span class="linenos">19</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">max_output_per_class</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">50</span><span class="p">;</span>
|
||
<span class="linenos">20</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">iou_threshold_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.5</span><span class="p">;</span>
|
||
<span class="linenos">21</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">score_threshold_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.1</span><span class="p">;</span>
|
||
<span class="linenos">22</span>
|
||
<span class="linenos">23</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">core_mask</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mh">0xff</span><span class="p">;</span>
|
||
<span class="hll"><span class="linenos">24</span><span class="w"> </span><span class="n">fp_non_max_suppression_s</span><span class="p">(</span><span class="n">param</span><span class="p">,</span><span class="w"> </span><span class="n">core_mask</span><span class="p">);</span>
|
||
</span><span class="linenos">25</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
|
||
<span class="linenos">26</span><span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<p><strong>私有存储版本:</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.i8_non_max_suppression_p">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">i8_non_max_suppression_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">NmsParamInt8</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">param</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.i8_non_max_suppression_p" title="永久链接至目标"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.fp_non_max_suppression_p">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">fp_non_max_suppression_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">NmsParamFp32</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">param</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.fp_non_max_suppression_p" title="永久链接至目标"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.hp_non_max_suppression_p">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">hp_non_max_suppression_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">NmsParamFp16</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">param</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.hp_non_max_suppression_p" title="永久链接至目标"></a><br /></dt>
|
||
<dd><p><strong>C调用示例：</strong></p>
|
||
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="c1">//FT78NE示例</span>
|
||
<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span>
|
||
<span class="linenos"> 3</span>
|
||
<span class="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">argc</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">argv</span><span class="p">[])</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">boxes</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x1000000</span><span class="p">;</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">score</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xA1000000</span><span class="p">;</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="n">output</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xA2000000</span><span class="p">;</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="n">NmsParamFp32</span><span class="o">*</span><span class="w"> </span><span class="n">param</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">NmsParamFp32</span><span class="o">*</span><span class="p">)</span><span class="mh">0xA3000000</span><span class="p">;</span>
|
||
<span class="linenos"> 9</span>
|
||
<span class="linenos">10</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">boxes</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">boxes</span><span class="p">;</span>
|
||
<span class="linenos">11</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">score</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">score</span><span class="p">;</span>
|
||
<span class="linenos">12</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">output</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">output</span><span class="p">;</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">candidates</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">candidates</span><span class="p">;</span>
|
||
<span class="linenos">14</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">batch_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
|
||
<span class="linenos">15</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">class_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">3</span><span class="p">;</span>
|
||
<span class="linenos">16</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">box_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">100</span><span class="p">;</span>
|
||
<span class="linenos">17</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">center_point_box</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
|
||
<span class="linenos">18</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">simple_out</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
|
||
<span class="linenos">19</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">max_output_per_class</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">50</span><span class="p">;</span>
|
||
<span class="linenos">20</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">iou_threshold_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.5</span><span class="p">;</span>
|
||
<span class="linenos">21</span><span class="w"> </span><span class="n">param</span><span class="o">-></span><span class="n">score_threshold_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.1</span><span class="p">;</span>
|
||
<span class="linenos">22</span>
|
||
<span class="hll"><span class="linenos">23</span><span class="w"> </span><span class="n">fp_non_max_suppression_s</span><span class="p">(</span><span class="n">param</span><span class="p">);</span>
|
||
</span><span class="linenos">24</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
|
||
<span class="linenos">25</span><span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
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