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遥感技术与应用  2010, Vol. 25 Issue (4): 567-573    DOI: 10.11873/j.issn.1004-0323.2010.4.567
图像处理     
基于同步实测光谱数据的ASTER影像邻近效应校正研究

王 倩1,4,陈 雪2,陈建平1,4,马建文3
1.中国地质大学(北京)国土资源与高新技术研究中心,北京 100083;
2.中国科学院遥感应用研究所,北京 100101;
3.中国科学院对地观测与数字地球科学中心,北京 100190;
4.北京市国土资源信息开发研究重点实验室,北京 100083
Adjacency Effect Correction Study of ASTER Image Based on the Synchronized Measured Spectral Data
WANG Qian1,4,CHEN Xue2,CHEN Jian-ping1 ,4,MA Jian-wen3
1.Institute of Land Resources and High Techniques,China University of Geosciences (Beijing),Beijing 100083,China;2.Institute of Remote Sensing Applications,Chinese Academy of
Sciences,Beijing 100101,China;3.Center for Earth Observation and Digital Earth,Chinese Academy of Sciences,Beijing 100190,China;4.Laboratory of Beijing Land Resources Information
Development,Beijing 100083,China
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摘要:

2008年6月在甘肃省张掖市开展的天—空—地同步大型遥感实验“黑河综合遥感联合实验”中,用自己设计的装置在兰州大学草地观测站开展了卫星同步邻近效应测量实验,用逆最小二乘算法求算了邻近效应校正系数,并将系数应用于影像真实反射率转换方程,对同步获取的ASTER影像进行了邻近效应校正,校正结果影像质量有所改善。将校正的结果影像与SHDOM方程的邻近效应校正结果影像对比,结果表明,经过邻近效应校正系数校正后影像的反射率、归一化植被指数产生较大差异,像元之间的相关性也明显降低。

关键词: 实测光谱数据邻近效应校正SHDOM方程影像质量    
Abstract:

In July,2008,during the large\|scale synchronous remote sensing experiment of “WATER:Watershed Airborne Telemetry Experiment Research” in Zhangye district,Gansu province,we did the adjacency effect measurement synchronous with satellite at Lanzhou University grass site,with the device designed by ourselves.The adjacency effect correction coefficient was computed using backward least square algorithm.Then it was imported into the actual reflectance transformation equation to correct the adjacency effect of the synchronous ASTER image.The quality of the result image was improved.Moreover,the result image was analyzed compared with that the SHDOM equation.The result showed that,both the reflectance and normalized difference vegetation index of the result image corrected with the adjacency effect correction coefficient had greater differences,meanwhile the spatial autocorrelation between pixels decreased obviously.〖JP〗

Key words: Measured spectral data    Adjacency effect correction    SHDOM equation    Image quality
出版日期: 2010-10-21
基金资助:

中国科学院知识创新工程青年人才领域前沿项目专项项目“多种地表覆盖条件下遥感邻近效应测量与校正方法研究”(O8S01100CX)、863计划“卫星遥感SAR与光学影像自动配准与融合技术系统研究” (2007AA12Z157)和国家自然科学基金项目“基于背景学习的并行粒子滤波红外弱小目标TBD 算法研究”(40901234)。

作者简介: 王倩(1984-),女,硕士研究生,主要从事遥感弱信息提取研究。E-mail:wangqian12031@163.com。
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引用本文:

王 倩, 陈 雪, 陈建平, 马建文. 基于同步实测光谱数据的ASTER影像邻近效应校正研究[J]. 遥感技术与应用, 2010, 25(4): 567-573.

WANG Qian, CHEN Xue, CHEN Jian-ping, MA Jian-wen. Adjacency Effect Correction Study of ASTER Image Based on the Synchronized Measured Spectral Data. Remote Sensing Technology and Application, 2010, 25(4): 567-573.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2010.4.567        http://www.rsta.ac.cn/CN/Y2010/V25/I4/567

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