高分二号卫星遥感影像控制点自动提取Automatic extraction of control points from GF-2 satellite remote sensing image
郝波;卢小平;李成名;臧文乾;
摘要(Abstract):
针对传统的手动和半自动方式无法快速有效地进行控制点提取,该文提出了一种高效自动化的高分二号卫星影像控制点提取方法。采用Harris算法和基于地理位置的匹配算法求解特征点,利用随机抽样一致性(RANSAC)算法进行误差剔除,最小二乘匹配获得最优解,并进行高分二号卫星影像的几何校正,实现了较好的校正结果。实验结果表明:所采用算法可以快速有效的提取控制点,可应用于高分辨卫星数据的控制点提取与几何校正。
关键词(KeyWords): 高分二号;Harris;RANSAC;控制点自动提取
基金项目(Foundation): 民用航天“十三五”计划预先研究项目(Y8K00100KJ)
作者(Authors): 郝波;卢小平;李成名;臧文乾;
DOI: 10.16251/j.cnki.1009-2307.2020.08.017
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