Automated geometric precise correction of medium remote sensing images based on ASTER global digital elevation model

被引:2
作者
Wang, Yanxia [1 ]
Ye, Jiangxia [2 ]
Chuan, Chen [1 ]
Zhou, Ruliang [1 ,3 ]
机构
[1] Southwest Forestry Univ, Sch Geog & Ecotourism, Kunming, Peoples R China
[2] Southwest Forestry Univ, Forestry Sch, Kunming, Peoples R China
[3] Southwest Forestry Univ, Sch Geog & Ecotourism, 300 Bailongsi, Kunming 650224, Yunnan Province, Peoples R China
基金
中国国家自然科学基金;
关键词
Digital elevation model; remote sensing image; terrain feature lines; ground control points; geometric precise correction; REGISTRATION; ACCURACY; ORTHORECTIFICATION; EXTRACTION; GEOEYE-1; GDEM; SPOT;
D O I
10.1080/10106049.2023.2190624
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Accurate and unified information from the increasingly remote sensing (RS) scenes is important for RS applications in multi-sectoral association services of natural resource management. However, these applications in mountain areas are limited by the challenging issues of random geometric distortions and erroneous spatial associations. The paper introduces digital elevation model (DEM) maps as a unified geographic reference to search and match homonymy ground points (HGPs). The proposed computer-based procedure was tested with Landsat TM, ETM and HJ-1B satellite images using ASTER global DEM in the Longitudinal Rang-gorge Valley Region of Southwest China. 1322, 3551 and 694 pairs of HGPs were identified and acquired the geometric accuracies with 43 m (TM), 14 m (ETM) and 123 m (HJ), respectively. The deviations are significantly reduced and the disjoint ground objects are matched. The study satisfies the application requirement of multispectral satellite imagery with less labour and time costs.
引用
收藏
页数:20
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