Technology and Methodology |
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A COMPARISON OF THE APPLICATION EFFECTS OF SEVERAL WAVELET BASES IN REMOTE SENSING COMPRESSION |
HE Hua-ying, LU Shu-ning |
China Centre for Resources Satellite Data and Application, Beijing 100094, China |
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Abstract In this paper, basic characteristics of the wavelet base are analyzed, and a common method for choosing
wavelet bases in compression of the remote sensing image based on wavelet transform is described briefly. Eight
images with different representative ground objects were respectively compressed with four kinds of representative
wavelet bases in a wavelet transform coding experiment. The application effects of these wavelet bases were
evaluated by five methods. The results show that the application effect of wavelet base D (9, 7) is the best. On
such a basis, an improved method for choosing wavelet bases is proposed.
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Keywords
SAR data
GIS
Rice map
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Issue Date: 06 July 2009
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