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<a href="/2021-02-03/megvii-9-years-md/" class="post-title-link" itemprop="url">旷视九年</a>
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<h2 id="Intro"><a href="#Intro" class="headerlink" title="Intro"></a>Intro</h2><p>旷视作为一家11年10月成立的公司，到现在已经9年。一家成立了9年还没有上市的科技公司市面上还是不多见的。<br>对于这样一家曾经风头无两，备受好评，以Google作为自己榜样的硬核科技公司，现在的运营却遇到了一些问题, 这背后的原因到底是什么？</p>
<h2 id="现存的窘境"><a href="#现存的窘境" class="headerlink" title="现存的窘境"></a>现存的窘境</h2>
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<p>互联网中人来人往再正常不过，而在创业公司这种氛围就显得更加微妙了一些。</p>
<p>大家为什么要来一家创业公司?对于一线民工来说，谁又何尝不是冲着成就一番事业而来的呢？新技术，新方向，制造一些前人从没有实现过的产品，挑战行业龙头，把现有的产品再往上推一个层次，这何尝不让人兴奋。从这个角度来说创业的人其实是同一类人，因此除了同事伙伴关系以外，用战友来描述这些同路人是不能更恰当的了。</p>
<p>然而合作有多紧密，分开时就有多痛苦。随着一个又一个伙伴因为这样或者那样的原因逐渐离去，其中感情又怎能是一句遗憾就能概括。如果最后产品成功了，而当初的伙伴不在身边了，那, 还算成功吗？</p>
<p>做一款成功的产品太重要了，不仅是为了实现自我价值，从某种程度上来说, 一款成功的产品可以让人越聚越多，反之就是种种不如意。结果和过程二者同样重要！但世事却偏偏不如人心意。</p>
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<a href="/2020-12-01/why-megvii-doing-fingerprint/" class="post-title-link" itemprop="url">为什么旷视要做指纹</a>
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<h2 id="Background"><a href="#Background" class="headerlink" title="Background"></a>Background</h2><p>2020年屏下指纹已经成为高端乃至中端机型的标准配置. 从技术上分类, 市面上的技术主要分为光学方案和超声波方案. 其中超声波方案主要由高通领衔开发并主要应用于三星的高端机型上. 而光学方案占据了绝大多数的市场份额, 汇顶是其中绝对的领头羊. 由于oppo和思立微之间的合作伙伴关系, 以及思立微较早入局的先发优势, 其在市场中也享有一定的份额. </p>
<p>另一方面, 旷视作为一个已经存在9年的人工智能”初创企业”, 在经历了几年人工智能做什么的迷茫过后, 凭借之前人脸识别技术在手机厂获得的良好口碑, 一个偶然的机会, 获得了屏下指纹供应链的入场门票. 而这也被旷视视为从单纯的卖SDK切换到AIOT软硬一体赛道的重要一步. 那么旷视为什么要转型，步入到新赛道又遇到了什么困难。</p>
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<a href="/2019-06-09/tps-transformation/" class="post-title-link" itemprop="url">TPS变换</a>
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<p>先放两个原理链接:<br><a target="_blank" rel="noopener" href="https://en.wikipedia.org/wiki/Thin_plate_spline">Thin plate spline wikipedia link</a>;<br><a target="_blank" rel="noopener" href="https://ieeexplore.ieee.org/abstract/document/24792">ieee link</a>.</p>
<p>具体的公式可以看 《ASTER: An and Attentional Scene and Text Recognizer and with Flexible and Rectification》<br><a target="_blank" rel="noopener" href="https://github.com/ilovin/tps_transformation">github: pytorch & numpy implement</a></p>
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