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百度.html
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<p style="white-space: normal;"><strong style="color: rgb(62, 62, 62);font-size: 15px;font-family: 微软雅黑;line-height: 1.6em;"><span style="color: rgb(0, 176, 80);">点击</span></strong><span style="color: rgb(62, 62, 62);font-size: 15px;font-family: 微软雅黑;line-height: 1.6em;"><strong><span style="color: rgb(0, 112, 192);">蓝色字</span></strong></span><strong style="color: rgb(62, 62, 62);font-size: 15px;text-align: center;line-height: 1.6;"><span style="color: rgb(0, 112, 192);"><img class="" data-ratio="1.35" data-src="https://mmbiz.qpic.cn/mmbiz_png/Mm7ZaXG44CY28wjrd3rGbVLNMDGXNfzqLJQJ8WtGKRn6Qibr3icNkdShBgf2iaLYaNs4yQqibeXibUen0jTJ4Y3HjPQ/640?wx_fmt=png" data-type="png" data-w="20" src="https://mmbiz.qpic.cn/mmbiz_png/Mm7ZaXG44CY28wjrd3rGbVLNMDGXNfzqLJQJ8WtGKRn6Qibr3icNkdShBgf2iaLYaNs4yQqibeXibUen0jTJ4Y3HjPQ/640?wx_fmt=png" style="visibility: visible !important;width: auto !important;" width="auto"><span style="font-family: 微软雅黑;line-height: 1.6em;color: rgb(0, 176, 80);"><strong>免费订阅,</strong></span><strong style="font-family: 微软雅黑;line-height: 1.6em;"><span style="color: rgb(255, 0, 0);">每天收到这样的好资讯</span></strong></img></span></strong></p><p style="white-space: normal;"><span style="color: rgb(62, 62, 62);"></span></p><p style="white-space: normal;"><span style="color: rgb(62, 62, 62);"><br/></span></p><p style="white-space: normal;"><span style="color: rgb(62, 62, 62);font-size: 12px;">本文对作物</span><span style="font-size: 12px;color: rgb(171, 25, 66);"><strong>冠层覆盖度</strong></span><span style="color: rgb(62, 62, 62);font-size: 12px;">的</span><span style="font-size: 12px;color: rgb(2, 30, 170);"><strong>视觉评估</strong></span><span style="color: rgb(62, 62, 62);font-size: 12px;">与</span><span style="font-size: 12px;color: rgb(2, 30, 170);"><strong>数字图像分析</strong></span><span style="color: rgb(62, 62, 62);font-size: 12px;">进行了</span><span style="color: rgb(62, 62, 62);font-size: 12px;">比较,植物表型资讯简介如下:</span></p><p style="font-family: -webkit-standard;white-space: normal;"><img class="__bg_gif" data-ratio="0.0967741935483871" data-src="https://mmbiz.qpic.cn/mmbiz_gif/Mm7ZaXG44CY28wjrd3rGbVLNMDGXNfzqSuiaYygCm7MNQtsJLSqrdkKmGdAberAeRSWG0fX5YXicmgOiaJnkGpAog/640?wx_fmt=gif" data-type="gif" data-w="620" src="https://mmbiz.qpic.cn/mmbiz_gif/Mm7ZaXG44CY28wjrd3rGbVLNMDGXNfzqSuiaYygCm7MNQtsJLSqrdkKmGdAberAeRSWG0fX5YXicmgOiaJnkGpAog/640?wx_fmt=gif" style="line-height: inherit;visibility: visible !important;width: 495px !important;" width="495px"/></p><p style="font-family: -webkit-standard;white-space: normal;"><span style="font-size: 14px;">在当前的农业背景下,</span><strong><span style="font-size: 14px;color: rgb(2, 30, 170);">覆盖作物</span></strong><span style="font-size: 14px;">是作物栽培过程中提供重要生态系统服务的常用方法,可保护土壤免受侵蚀。其中许多参数与其植被发展直接相关,尤其是</span><span style="font-size: 14px;color: rgb(2, 30, 170);"><strong>冠层覆盖度</strong></span><span style="font-size: 14px;">。因此,在评估覆盖作物性能时也需要对覆盖度进行适当评估。此前科学家们尝试过许多估测冠层覆盖度的方法,但是在消耗成本和评估时间方面有很大差异。</span><span style="font-size: 14px;color: rgb(64, 118, 0);"><strong>本文比较了两种数字图像分析方法(Assess和Canopeo)对不同覆盖作物物种和植被类型在野外冠层覆盖度方面的视觉评估。</strong></span><span style="font-size: 14px;">经</span><span style="font-size: 14px;"><span style="font-family: -webkit-standard;font-size: 14px;">比较发现,</span>视觉评估结果与这两类图像分析评估呈正相关。然而,它显示的系统冠层覆盖度较低。植被的类型影响了视觉和数字图像的评估结果,狭窄的叶子物种是目前最难以评估的。</span><span style="font-size: 14px;color: rgb(64, 118, 0);"><strong>研究表明,就其利用率而言,尤其是<span style="font-family: -webkit-standard;font-size: 14px;">当只需要相对估计冠层覆盖度时或许可尝试使用</span>视觉冠层覆盖度评估方法;但当需要绝对冠层覆盖度估计值时应首选数字图像分析。</strong></span><br/><span style="font-size: 14px;"></span></p><p style="font-family: -webkit-standard;white-space: normal;"><span style="font-size: 14px;"><br/></span></p><p style="font-family: -webkit-standard;white-space: normal;"><span style="font-size: 14px;"></span></p><p><img class="" data-copyright="0" data-ratio="0.33111111111111113" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/Mm7ZaXG44CaDCxgp7icFiaP7AqRia36ZrhA6gPNAXKjqWVgOuA0BQXvvvNAfiaffQzJh8iaosth0tgr3vxThNvHPZnA/640?wx_fmt=jpeg" data-type="jpeg" data-w="900" src="https://mmbiz.qpic.cn/mmbiz_jpg/Mm7ZaXG44CaDCxgp7icFiaP7AqRia36ZrhA6gPNAXKjqWVgOuA0BQXvvvNAfiaffQzJh8iaosth0tgr3vxThNvHPZnA/640?wx_fmt=jpeg" style=""/></p><p style="font-family: -webkit-standard;white-space: normal;text-align: center;"><span style="font-size: 12px;">冠层覆盖度评估方法之间的关系</span></p><p style="font-family: -webkit-standard;white-space: normal;text-align: center;"><span style="font-size: 12px;"><br/></span></p><p style="font-family: -webkit-standard;white-space: normal;text-align: center;"><span style="font-size: 12px;"></span></p><p style="text-align: center;"><img class="" data-copyright="0" data-ratio="0.5555555555555556" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/Mm7ZaXG44CaDCxgp7icFiaP7AqRia36ZrhAPCK9ZDfBolMErwR6ibfCvNqWiaIe91U7NfjZhspPePM5UEFbIT3xUicibQ/640?wx_fmt=jpeg" data-type="jpeg" data-w="900" src="https://mmbiz.qpic.cn/mmbiz_jpg/Mm7ZaXG44CaDCxgp7icFiaP7AqRia36ZrhAPCK9ZDfBolMErwR6ibfCvNqWiaIe91U7NfjZhspPePM5UEFbIT3xUicibQ/640?wx_fmt=jpeg" style="width: 443px;height: 246px;"/></p><p style="font-family: -webkit-standard;white-space: normal;text-align: center;"><span style="font-size: 12px;">使用数字图像分析,Assess(灰点和实线)和Canopeo(白点和虚线)这两种方法获得的冠层平均度盖度相比,冠层覆盖度视觉评估的平均绝对误差</span></p><p style="font-family: -webkit-standard;white-space: normal;text-align: center;"><br/></p><p style="font-family: -webkit-standard;white-space: normal;"><span style="font-size: 12px;"></span></p><p style="font-family: -webkit-standard;white-space: normal;"><strong><span style="font-size: 12px;">来源:</span></strong></p><p style="font-family: -webkit-standard;white-space: normal;"><span style="font-size: 12px;">Büchi L, Wendlingcd M, Moulyc P and Charles R, Comparison of Visual Assessment and Digital Image Analysis for Canopy Cover Estimation, AcsessDL, doi:</span><article-id pub-id-type="doi" xmlns=""><span style="font-size: 12px;">10.2134/agronj2017.11.0679</span></article-id><br/><span style="font-size: 12px;"></span></p><p style="font-family: -webkit-standard;white-space: normal;"><article-id pub-id-type="doi" style="caret-color: rgb(102, 102, 102);color: rgb(102, 102, 102);font-family: Arial, Helvetica, sans-serif;font-size: 12px;text-align: justify;" xmlns=""></article-id></p><p style="font-family: -webkit-standard;white-space: normal;"><span style="font-size: 12px;"></span><br/></p><p><img class="" data-copyright="0" data-ratio="0.5254424778761062" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/Mm7ZaXG44CZXSDVl272NaRpHFQ64kItnmTicLtVBJbQubkOBw0ZZI0wMmHMlAwxjOiad4CA3ZveRYIOA0IJWnGvg/640?wx_fmt=png" data-type="png" data-w="904" src="https://mmbiz.qpic.cn/mmbiz_png/Mm7ZaXG44CZXSDVl272NaRpHFQ64kItnmTicLtVBJbQubkOBw0ZZI0wMmHMlAwxjOiad4CA3ZveRYIOA0IJWnGvg/640?wx_fmt=png" style=""/></p>
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