高山冰川多时相多角度遥感信息提取方法

doi:10.11947/j.AGCS.2015.20130514

测绘学报 ›› 2015, Vol. 44 ›› Issue (1): 59-66.doi: 10.11947/j.AGCS.2015.20130514

高山冰川多时相多角度遥感信息提取方法

都伟冰^1,2, 李均力², 包安明², 王宝山¹, 王双亭¹

1. 河南理工大学测绘与国土信息工程学院, 河南焦作 454000;
2. 中国科学院新疆生态与地理研究所, 新疆乌鲁木齐 830011

收稿日期:2013-12-02 修回日期:2014-04-23 出版日期:2015-01-20 发布日期:2015-01-22
通讯作者: 李均力 E-mail:lijl@ms.xjb.ac.cn
作者简介:都伟冰(1985-), 男, 博士生, 研究方向为遥感冰川变化监测. E-mail: duweibing2009@163.com
基金资助:
中国科学院重点部署项目(KZZD-EW-08-02-02);科技部国际科技合作项目(2010DFA92720-04);国家自然科学基金(U1178302;41371419;41101041)

Information Extraction Method of Alpine Glaciers with Multitemporal and Multiangle Remote Sensing

DU Weibing^1,2, LI Junli², BAO Anming², WANG Baoshan¹, WANG Shuangting¹

1. School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
2. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China

Received:2013-12-02 Revised:2014-04-23 Online:2015-01-20 Published:2015-01-22
Supported by:
The Chinese Academy of Sciences Key Deployment Project (No. KZZD-EW-08-02-02) Key Program for International S&T Cooperation Projects of China (No. 2010DFA92720-04) The National Natural Science Foundation of China (Nos. U1178302 41371419 41101041)

摘要/Abstract

摘要：

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.

关键词: 冰川提取, 山体阴影, 全域—局部, 多角度

Abstract:

A glacier extraction method based on multitemporal and multiangle remote sensing images is proposed. Firstly, a "global-local" threshold segmentation method is applied to extract snow ice boundaries with multitemporal remote sensing images. Secondly, the glacier boundaries hidden by mountain shadows are restored with topographic features and multiangle information in different remote sensing images. Finally, the best glacier extents are the intersections of different glacier/snow extents. In order to validate the method, a glacier extraction is tested with 4 Landsat images during 2009-2010 in the western part of Tumur peak of the Tienshan Mountains. The results show that the proposed method performs well in extracting the glacier boundaries inside the mountain shadows with multiangle images.

Key words: glacier extraction, mountain shadow, global-local, multiangle

中图分类号:

P237

都伟冰, 李均力, 包安明, 王宝山, 王双亭. 高山冰川多时相多角度遥感信息提取方法[J]. 测绘学报, 2015, 44(1): 59-66.

DU Weibing, LI Junli, BAO Anming, WANG Baoshan, WANG Shuangting. Information Extraction Method of Alpine Glaciers with Multitemporal and Multiangle Remote Sensing[J]. Acta Geodaetica et Cartographica Sinica, 2015, 44(1): 59-66.

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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

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