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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">这不是魔术：太赫兹辐射技术让你不翻书就能看到书的内容! </h1> <p class="xg1"> 时间：2016-9-12 09:39<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1893)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4803&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>古语有云，“千万不要只看封面来评价一本书”。但是麻省理工和乔治亚理工的研究人员们，却开发出了一种能够不开卷扫描书本内容的摄像头，且这套新式影像系统甚至能够穿透读取9页纸张上的内容。在周五发表的一项新研 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content">古语有云，“千万不要只看封面来评价一本书”。但是麻省理工和乔治亚理工的研究人员们，却开发出了一种能够不开卷扫描书本内容的摄像头，且这套新式影像系统甚至能够穿透读取9页纸张上的内容。在周五发表的一项新研究报告中，该团队详细披露了这套系统的细节。虽然听起来似乎是X射线成像，但这项技术实际上依赖于<b>太赫兹辐射。</b><div><div style="text-align: center;"><p><a href="data/attachment/portal/201609/12/092955c7oxeaehtlzhi60x.jpg" target="_blank"><img src="data/attachment/portal/201609/12/092955c7oxeaehtlzhi60x.jpg"></a></p></div><div><div>成像处理可以穿透多页纸张，但墨水会反射出不同的内容。作为对比，X射线无法分辨这种区别、超声波也没能达到同等深度的解析度。</div><div><br></div><div style="text-align: center;"><img src="http://www.oecr.com/data/attachment/portal/201609/12/093423ni0zdeem1xg0xxp1.png" style="line-height: 1.8em;"></div><div><br></div><div>不同的光反射使得图像系统可以区分纸张和墨水，20微米深的气泡则有助于区分不同的页面。</div></div></div><div style="text-align: center;"><p><a href="data/attachment/portal/201609/12/093423rq70vm8wr6z885kj.png" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201609/12/093423rq70vm8wr6z885kj.png"></a></p></div><div><div style="text-align: center;">Reading through closed books</div><div>虽然这项技术仍处于早期阶段，但研究人员们已经能够分辨出一本书的前20页、以及前9页纸张上的每个字母。</div><div><br></div><div>他们当前的目标是进一步提升系统的精度和辐射源，从而突破前9页纸张外的文本识别，黏在一起的古籍和多层创作的绘画艺术品将成为这项技术的最大受益者。<span style="line-height: 1.8em;">[编译自：SlashGear , 来源：MIT , Nature]</span></div></div><div style="text-align: center;"><p><a href="data/attachment/portal/201609/12/093435ruhepeeh2h128yhu.jpg" target="_blank"><img src="data/attachment/portal/201609/12/093435ruhepeeh2h128yhu.jpg"></a></p><p class="MsoNormal" align="left" style="text-align: 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name="comment_anchor_8184"></a> <dl id="comment_8184_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(8184, '4803');">引用</a> </span> <a href="http://club.oecr.com/space-uid-84048.html" class="xi2 xw1" c="1">麦兜仔仔</a> <span class="xg1 xw0">2016-9-12 15:13</span> </dt> <dd>呵呵。。。</dd> </dl><a name="comment_anchor_8181"></a> <dl id="comment_8181_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(8181, '4803');">引用</a> </span> <a href="http://club.oecr.com/space-uid-64248.html" class="xi2 xw1" c="1">epijack</a> <span class="xg1 xw0">2016-9-12 13:43</span> </dt> <dd>希望找到同行。</dd> </dl><a name="comment_anchor_8180"></a> <dl id="comment_8180_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(8180, '4803');">引用</a> </span> <a href="http://club.oecr.com/space-uid-56617.html" class="xi2 xw1" c="1">wuqionghua</a> <span class="xg1 xw0">2016-9-12 13:13</span> </dt> <dd>边撸边过</dd> </dl><a name="comment_anchor_8176"></a> <dl id="comment_8176_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(8176, '4803');">引用</a> </span> <a href="http://club.oecr.com/space-uid-12806.html" class="xi2 xw1" c="1">ikiku</a> <span class="xg1 xw0">2016-9-12 11:13</span> </dt> <dd>刚入门，学习来了。</dd> </dl><a name="comment_anchor_8174"></a> <dl id="comment_8174_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(8174, '4803');">引用</a> </span> <a href="http://club.oecr.com/space-uid-42250.html" class="xi2 xw1" c="1">thornbird</a> <span class="xg1 xw0">2016-9-12 10:13</span> </dt> <dd>一直在看</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" class="area"></div><!--[/diy]--> </div> <div class="sd pph"> <div 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