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    <responseDate>2026-10-13T20:03:38Z</responseDate>
    <request verb="GetRecord" metadataPrefix="oai_dc" identifier="10.11922/sciencedb.693" >https://www.scidb.cn/oai</request>
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    <identifier>10.11922/sciencedb.693</identifier>
    <datestamp>2018-11-26T19:21:31Z</datestamp>
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<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:date>2018-11-26</dc:date>
  <dc:title>基于无人机数据的林分冠幅面积提取数据库</dc:title>
  <dc:identifier>doi:10.11922/sciencedb.693</dc:identifier>
  <dc:language>en</dc:language>
  <dc:description>福建省森林覆盖率高，地势复杂，以针叶林为主，多为郁闭度较高的林分，获取林分参数是一个难点。本数据库基于Ecognition9.2软件对无人机影像进行多层次影像分类，对分割后的特征进行特征选择，对林分冠幅面积进行自动化提取，并与人工解译的结果进行比较分析</dc:description>
  <dc:subject>无人机数据; 影像分类; 冠幅; 自动化</dc:subject>
  <dc:creator>张苏</dc:creator>
  <dc:creator>周小成</dc:creator>
  <dc:creator>黄洪宇</dc:creator>
  <dc:creator>冯芝清</dc:creator>
  <dc:rights>PUBLIC</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/</dc:rights>
  <dc:type>dataset</dc:type>
  <dc:publisher>Science Data Bank</dc:publisher>
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