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高山冰川多时相多角度遥感信息提取方法/Information Extraction Method of Alpine Glaciers with Multitemporal and Multiangle Remote Sensing[J]
Authors
BAO Anming
DU Weibing
+12 more
LI Junli
WANG Baoshan
WANG Shuangting
中国科学院新疆生态与地理研究所,新疆乌鲁木齐,830011
中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011
包安明
李均力
河南理工大学测绘与国土信息工程学院,河南焦作,454000
河南理工大学测绘与国土信息工程学院,河南焦作454000
王双亭
王宝山
都伟冰
Publication date
1 January 2015
Publisher
Abstract
提出一种多角度遥感影像的冰川信息提取方法。通过“全域—局部”的阈值分割方法获取短时期内不同时相的遥感影像的冰雪边界,结合地形信息和多时相遥感影像的太阳角度信息,联合消除山体阴影对冰川的遮挡,并以多期影像的最小冰雪边界作为最佳冰川边界。以托木尔峰西侧冰川为研究对象,采用2009—2010年4个时相的遥感影像提取冰川信息。结果表明多角度遥感提取的冰川边界效果好,能有效地排除积雪与山体阴影的干扰
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Last time updated on 29/11/2016