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  <div class="section" id="algo-comb">
<h1>18. 算法组合(algo_comb)<a class="headerlink" href="#algo-comb" title="永久链接至标题"></a></h1>
<div class="section" id="id1">
<h2>18.1. 术语定义<a class="headerlink" href="#id1" title="永久链接至标题"></a></h2>
<blockquote>
<div><ul class="simple">
<li>算法组合:是指把设备当前可用的算法按照一定规则组合起来使用的方式,每个算法组合都有一个描述文本,每个分析任务都需要包含一个算法组合。</li>
</ul>
</div></blockquote>
</div>
<div class="section" id="id2">
<h2>18.2. 工作流程<a class="headerlink" href="#id2" title="永久链接至标题"></a></h2>
<blockquote>
<div><ol class="arabic simple">
<li>获取设备当前可用的算法描述,生成可用算法视图。</li>
<li>根据可用算法视图,选择部分算法组合为一个算法组合,生成算法组合描述文本。</li>
<li>通过任务配置接口将算法组合放到任务中,作为任务的一部分发送到运维服务。</li>
<li>运维服务将包含算法组合描述的任务配置到设备。</li>
</ol>
</div></blockquote>
</div>
<div class="section" id="id3">
<h2>18.3. 算法描述信息<a class="headerlink" href="#id3" title="永久链接至标题"></a></h2>
<p>一个算法包含以下描述信息:</p>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="p">{</span>
    <span class="s2">&quot;unid&quot;</span><span class="o">:</span>      <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>                       <span class="c1">// 平台分配的算法唯一id,每个算法的每个版本必须是唯一的。</span>
    <span class="s2">&quot;refid&quot;</span><span class="o">:</span>     <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>                       <span class="c1">// 算法包提供的算法参考id,每个算法的每个版本必须是唯一的。</span>
    <span class="s2">&quot;cate&quot;</span><span class="o">:</span>      <span class="s2">&quot;traffic&quot;</span><span class="p">,</span>                   <span class="c1">// 算法分类(traffic,face, flow, behavior)</span>
    <span class="s2">&quot;algid&quot;</span><span class="o">:</span>     <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>                       <span class="c1">// 算法编号,编号相同的算法接口不变,但版本可能不同。</span>
    <span class="s2">&quot;version&quot;</span><span class="o">:</span>   <span class="s2">&quot;1.4&quot;</span><span class="p">,</span>                       <span class="c1">// 算法版本,同一个编码的算法可能有多个版本</span>
    <span class="s2">&quot;name&quot;</span><span class="o">:</span>      <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>                       <span class="c1">// 算法名称</span>
    <span class="s2">&quot;note&quot;</span><span class="o">:</span>      <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>                       <span class="c1">// 算法说明</span>
    <span class="s2">&quot;comb_pos&quot;</span><span class="o">:</span>  <span class="mi">1</span><span class="p">,</span>                           <span class="c1">// 算法组合时允许的位置</span>
    <span class="s2">&quot;file_name&quot;</span><span class="o">:</span> <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>                       <span class="c1">// 算法包文件名</span>
    <span class="s2">&quot;upload_dt&quot;</span><span class="o">:</span> <span class="s2">&quot;2017-09-30T12:30:10.123&quot;</span>    <span class="c1">// 上传日期时间</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="id4">
<h2>18.4. 算法组合描述<a class="headerlink" href="#id4" title="永久链接至标题"></a></h2>
<blockquote>
<div>一个算法组合包含以下描述信息:</div></blockquote>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="p">{</span>
  <span class="s2">&quot;unid&quot;</span><span class="p">:</span> <span class="s2">&quot;xxxxx&quot;</span><span class="p">,</span>               <span class="c1"># 算法组合的唯一id</span>
  <span class="s2">&quot;cate&quot;</span><span class="p">:</span> <span class="s2">&quot;traffic&quot;</span><span class="p">,</span>             <span class="c1"># 算法组合的分类</span>
  <span class="s2">&quot;name&quot;</span><span class="p">:</span> <span class="s2">&quot;名称&quot;</span><span class="p">,</span>
  <span class="s2">&quot;note&quot;</span><span class="p">:</span> <span class="s2">&quot;说明&quot;</span><span class="p">,</span>
  <span class="s2">&quot;algo_groups&quot;</span><span class="p">:</span> <span class="p">[</span>          <span class="c1"># 算法组个描述</span>
    <span class="p">{</span>                       <span class="c1"># 第一组算法</span>
      <span class="s2">&quot;comb_pos&quot;</span><span class="p">:</span>  <span class="mi">1</span><span class="p">,</span>       <span class="c1"># 算法组位置</span>
      <span class="s2">&quot;algos&quot;</span><span class="p">:</span> <span class="p">[</span>            <span class="c1"># 本组算法列表</span>
        <span class="p">{</span>
          <span class="s2">&quot;unid&quot;</span><span class="p">:</span>      <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>
          <span class="s2">&quot;refid&quot;</span><span class="p">:</span>     <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>
          <span class="s2">&quot;cate&quot;</span><span class="p">:</span>      <span class="s2">&quot;traffic&quot;</span><span class="p">,</span>
          <span class="s2">&quot;algid&quot;</span><span class="p">:</span>     <span class="s2">&quot;xxx&quot;</span><span class="p">,</span>
          <span class="s2">&quot;version&quot;</span><span class="p">:</span>   <span class="s2">&quot;1.4&quot;</span>
        <span class="p">},</span>
        <span class="o">...</span>
      <span class="p">],</span>
    <span class="p">},</span>
    <span class="p">{</span><span class="s2">&quot;comb_pos&quot;</span><span class="p">:</span>  <span class="mi">2</span><span class="p">,</span> <span class="s2">&quot;algos&quot;</span><span class="p">:</span> <span class="p">[</span><span class="o">...</span><span class="p">]},</span>  <span class="c1"># 第二组算法</span>
    <span class="o">...</span>
  <span class="p">]</span>
<span class="p">}</span>
</pre></div>
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