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遥感技术与应用  2014, Vol. 29 Issue (3): 476-481    DOI: 10.11873/j.issn.1004-0323.2014.3.0476
图像与数据处理     
Pléiades卫星影像融合方法与质量评价
胡洋1,2,习晓环1,2,王成1,2,肖勇1,2
(1.中国科学院遥感与数字地球研究所,北京100094;2.中国科学院数字地球重点研究室,北京100094)
Study on Fusion Methods and Qulity Assessment of Pléiades Data
Hu Yang1,2,Xi Xiaohuan1,2,Wang Cheng1,2,Xiao Yong1,2
(1.Institute of Remote Sensing and Digital Earth,Chinese Academy of Sciences,Beijing 100094,China;
2.Key Laboratory of Digital Earth,Chinese Academy of Sciences,Beijing 100094,China)
 全文: PDF(18617 KB)  
摘要:

Pléiades星座是法国国家空间中心近年发射的极高空间分辨率卫星,定位精度高、刈幅宽,可实现全球任意一点的每天重访。利用主成分分析、Pansharping、小波IHS变换、小波主成分、小波单波段变换、高通滤波以及Ehlers共7种数据融合方法,对试验区的Pléiades全色和多光谱数据进行融合处理;从融合前后影像的信息熵、标准差、平均梯度、偏差指数、光谱相关系数和通用图像质量评价指数等方面对不同方法的融合效果进行了评价。结果表明:小波主成分和Pansharping方法都可以取得非常好的融合效果。

关键词: 高分辨率卫星Pléiades卫星影像融合质量评价指标    
Abstract:

Pléiades is an optical observation system designed by National Centre for Space Studies of France.It consists of two identical satellites,that is,Pléiades-1A and Pléiades-1B,launched on Dec.17,2011 and on Dec.2,2012 respectively.Operating on a phased orbit,the Pléiades system affords a daily revisit capability on any point of the globe.And comparing with other systems,such as QuickBird and GeoEye,it has the advantage of 3 m position precision and of 20 km wider swath.Therefore,it will better address the civilian application in disaster response,precision mapping and so on.The paper explores 7 methods of data fusion,such as PCA,Pansharping,wavelet\|IHS,wavelet\|PCA,wavelet\|single band,HPF and Ehlers,to process Pléiades-1A multispectral and panchromatic images.In order to evaluate their performances,6 indexes are used,which are entropy,standard error,average gradient,deviation index,spectral correlation coefficient and UIQI.The results show that the method of wavelet-PCA and Pansharping algorithms are more suitable and can get the best results.

Key words: Very high resolution satellite    Plé    iades    Image fusion    Quality assessment index
收稿日期: 2013-03-16 出版日期: 2014-06-23
:  TP 75  
基金资助:

国家自然科学基金面上项目(41271428),中科院百人计划专项。

通讯作者: 习晓环(1972-),女,陕西乾县人,副研究员,主要从事激光雷达遥感研究。Email:xhxi@ceode.ac.cn。    
作者简介: 胡洋(1987-),男,山东日照人,硕士研究生,主要从事遥感数据处理与应用研究。Email:huyang0302@126.com。
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引用本文:

胡洋,习晓环,王成,肖勇. Pléiades卫星影像融合方法与质量评价[J]. 遥感技术与应用, 2014, 29(3): 476-481.

Hu Yang,Xi Xiaohuan,Wang Cheng,Xiao Yong. Study on Fusion Methods and Qulity Assessment of Pléiades Data. Remote Sensing Technology and Application, 2014, 29(3): 476-481.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2014.3.0476        http://www.rsta.ac.cn/CN/Y2014/V29/I3/476

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