姑娘，这样自拍最美：秀出头发，不拍额头，撇开伙伴
<p><span word="If">If</span> <span word="you">you</span>'<span word="ve">ve</span> <span word="ever">ever</span> <span word="wondered">wondered</span> <span word="what">what</span> <span word="makes">makes</span> <span word="the">the</span> <span word="perfect">perfect</span> <span word="selfie">selfie</span>, <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="world">world</span>'<span word="s">s</span> <span word="most">most</span> <span word="powerful">powerful</span> <span word="computers">computers</span> <span word="have">have</span> <span word="been">been</span> <span word="pondering">pondering</span> <span word="the">the</span> <span word="same">same</span> <span word="question">question</span>.</p><p>如果你在琢磨怎样自拍更好看，世界上最强大的电脑也在思考着同样的问题。</p><p><span word="Researchers">Researchers</span> <span word="have">have</span> <span word="trained">trained</span> <span word="a">a</span> <span word="neural">neural</span> <span word="network">network</span> <span word="designed">designed</span> <span word="to">to</span> <span word="think">think</span> <span word="like">like</span> <span word="the">the</span> <span word="human">human</span> <span word="brain">brain</span> <span word="to">to</span> <span word="analyse">analyse</span> <span word="millions">millions</span> <span word="of">of</span> <span word="selfies">selfies</span> <span word="to">to</span> <span word="find">find</span> <span word="what">what</span> <span word="works">works</span>.</p><p>研究者训练设计的神经网络像人类那样思考，以分析数百万张自拍照的奥秘。</p><p><span word="They">They</span> <span word="says">says</span> <span word="the">the</span> <span word="main">main</span> <span word="key">key</span> <span word="is">is</span> <span word="to">to</span> <span word="be">be</span> <span word="female">female</span> - <span word="and">and</span> <span word="to">to</span> <span word="show">show</span> <span word="your">your</span> <span word="hair">hair</span>, <span word="but">but</span> <span word="cut">cut</span> <span word="off">off</span> <span word="your">your</span> <span word="forehead">forehead</span> <span word="in">in</span> <span word="your">your</span> <span word="snaps">snaps</span>.</p><p>他们得出的结果是，照片中的你首先要是个女性，——你要秀出你的头发，把额头部分裁掉。</p><p><span word="Andrej">Andrej</span> <span word="Karpathy">Karpathy</span>, <span word="a">a</span> <span word="PhD">PhD</span> <span word="student">student</span> <span word="at">at</span> <span word="Stanford">Stanford</span> <span word="working">working</span> <span word="on">on</span> <span word="Deep">Deep</span> <span word="Learning">Learning</span>, <span word="decided">decided</span> <span word="to">to</span> <span word="use">use</span> <span word="a">a</span> <span word="powerful">powerful</span>, 140-<span word="million">million</span>-<span word="parameter">parameter</span> <span word="state">state</span>-<span word="of">of</span>-<span word="the">the</span>-<span word="art">art</span> <span word="Convolutional">Convolutional</span> <span word="Neural">Neural</span> <span word="Network">Network</span> <span word="to">to</span> <span word="help">help</span> <span word="work">work</span> <span word="out">out</span> <span word="why">why</span> <span word="some">some</span> <span word="selfies">selfies</span> <span word="are">are</span> <span word="more">more</span> <span word="popular">popular</span> <span word="than">than</span> <span word="other">other</span>.</p><p>安德雷·卡帕西，斯坦福一个研究计算机深度学习的博士生，决定使用包含1.4亿个参数的强大卷积神经网络来研究为何有的自拍更受欢迎。</p><p>'<span word="We">We</span> <span word="decided">decided</span> <span word="to">to</span> <span word="feed">feed</span> <span word="it">it</span> 2 <span word="million">million</span> <span word="selfies">selfies</span> <span word="from">from</span> <span word="the">the</span> <span word="internet">internet</span>, <span word="and">and</span> <span word="train">train</span> <span word="it">it</span> <span word="to">to</span> <span word="classify">classify</span> <span word="good">good</span> <span word="selfies">selfies</span> <span word="from">from</span> <span word="bad">bad</span> <span word="ones">ones</span>,' <span word="he">he</span> <span word="explained">explained</span> <span word="in">in</span> <span word="a">a</span> <span word="blog">blog</span>.</p><p>他在博客中这样解释：“我们决定使用互联网上的两百万张照片，教会系统区分出好照片。”</p>
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