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class="new_title">人臉識別的三大缺點</li> <li class="new_content"><span>本站編輯：杭州國?？萍加邢薰?/span><span>發布日期：2022-07-28 10:35 </span><span>瀏覽次數：<em class="blue"><script src="/pwlus/c_jsq.php?view=no&aid=865&mid=2" type='text/javascript' language="javascript"></script></em></span> </li> </ul> </div> <div class="ny_news_ct88"> <p>三個方面的缺點:</p><p>1.識別精度低</p><p>2.然察覺以及接觸也使人臉識別技術在一些特定領域面臨環境復雜性。</p><p>便于收集的好處也帶來了圖像清晰度不高，角度不好等問題</p><p>3.人臉識別不只是隱私問題信息泄露面臨更大安全隱患</p><p>人臉識別的一個缺點也在干信息的可靠性及穩定性較弱。</p><p>人臉所蘊含的信息量較指紋、虹膜等生物特征相比是比較少的，其變化的復雜性不夠。例如，若要兩個人的指紋或者虹膜基本相同，大概需要好幾十乃至上百個比特(信息量的度量單位)達到完全重合才可以。但如果是人臉的話，十幾個比特達到重合就可以了。在全世界，可以找到很多具有相似性的面孔。所以說，人臉的辨別性不是很高，它并沒有那么獨一無二。</p><p>另外，人自身內在的變化以及外在環境的變化都會影響采集時人臉的信息穩定度。相較于之前的人臉識別技術，目前的人臉識別技術有所提高，但是具體應用時還是不能達到完美狀態，如今，保守估計，人臉識別技術準確率能達到 99%，但沒有達到 100%。同時，對于雙胞胎，由干相似特征太多，人臉識別基本不可能完成。比如在ATM機上使用人臉識別技術，是在使用密碼信息的基礎上輔助的認證功能。如果脫離了密碼輸入，完全使用人臉識別技術進行存取款操作，是不太可能的。</p><p><br/></p> </div> </div> <div class="news_fy"> <div class="news_fy_r r"> <div data-bd-bind="1396252620094" 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