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Remote Sensing Technology and Application  2014, Vol. 29 Issue (3): 476-481    DOI: 10.11873/j.issn.1004-0323.2014.3.0476
    
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)
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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     
Received:  16 March 2013      Published:  23 June 2014
ZTFLH:  TP 75  
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Hu Yang
Xi Xiaohuan
Wang Cheng
Xiao Yong

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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.

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

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