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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">光学设计技术答疑：什么是图像模拟与几何图像分析？ </h1> <p class="xg1"> 时间：2022-3-4 12:46<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1296)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9449&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: ZEMAX</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>如何在OpticStudio中模拟图像质量？今天为大家解答一下关于什么是图像模拟与几何图像分析的问题？</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"><p><font color="#000000"> 如何在OpticStudio中模拟图像质量？今天为大家解答一下关于什么是图像模拟与几何图像分析的问题？</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 问：什么是图像模拟？</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 答：图像模拟工具通过将源位图文件与点扩散函数阵列进行卷积来模拟图像的形成。</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 考虑的效应包括衍射，像差，畸变，相对照度，图像方向，偏振影响等。此工具有助于可视化所设计光学系统的图像质量。</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 它提供了一种定性但直接的方法来评估成像系统的性能，并使客户更容易"看到"模拟的图像质量。</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 问：图像模拟与几何图像分析的相关问题？</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 答：如果您的系统远未受到衍射限制，您可以使用几何图像分析 （GIA）。GIA 使用纯几何光线追踪，被认为是模拟图像的"黄金标准"。</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 但是，如果您的系统受到衍射限制，则需要包括衍射效应。在这种情况下，您应该使用图像模拟。图像模拟使用惠更斯PSF与源位图进行卷积，以考虑衍射效应。</font></p><p><font color="#000000"><br></font></p><p><font color="#000000"> 值得注意的是，即使选择了 "像差：衍射"，如果像差非常严重以至于无法准确计算衍射 PSF，分析仍可能自动切换到几何。 有关此内容的讨论列在帮助文件中。</font></p><p><br></p><p style="margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma,; overflow-wrap: normal;" yahei",="" rgb(255,="" 255,="" 255);"="" simsun;="" microsoft="" 14px;="" normal;="" start;"=""><font face="微软雅黑" style="overflow-wrap: normal;"><font color="#000000" style="overflow-wrap: normal;"> 免责声明：编写或转载此文是为了传递更多的信息，为光电行业尽一些绵薄之力。若文字或图片侵犯了您的合法权益或有不当之处，请作者在20个工作日之内与我们联系，我们将协调给予处理。</font></font></p><p style="margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma,; overflow-wrap: 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name="comment_anchor_31653"></a> <dl id="comment_31653_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(31653, '9449');">引用</a> </span> <a href="http://club.oecr.com/space-uid-79898.html" class="xi2 xw1" c="1">hgwishi</a> <span class="xg1 xw0">2022-3-4 14:46</span> </dt> <dd>前排顶，很好！</dd> </dl><a name="comment_anchor_31652"></a> <dl id="comment_31652_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(31652, '9449');">引用</a> </span> <a href="http://club.oecr.com/space-uid-56387.html" class="xi2 xw1" c="1">datongzrf</a> <span class="xg1 xw0">2022-3-4 14:16</span> </dt> <dd>果断围观</dd> </dl><a name="comment_anchor_31651"></a> <dl id="comment_31651_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(31651, '9449');">引用</a> </span> <a 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