The joint use of IHS transform and redundant wavelet decomposition for fusing multispectral and panchromatic images

被引:88
作者
Chibani, Y [1 ]
Houacine, A [1 ]
机构
[1] Univ Sci & Technol Houari Boumedienne, Fac Elect Engn, LCPTS, Algiers 16111, Algeria
关键词
D O I
10.1080/01431160110107626
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
Intensity hue saturation (IHS) and wavelet decomposition are two distinct fusion methods used for enhancing the spatial resolution of multispectral images by exploiting a high-resolution panchromatic image. In this paper, a combination of the IHS transform and redundant wavelet decomposition is proposed as a general method for fusing multisensor images. The principle consists of transforming low-resolution multispectral images into IHS independent components. The low-resolution intensity component is fused with the high-resolution panchromatic image in the redundant wavelet domain through an appropriate model. Subsequently, the high-resolution intensity produced is substituted to the low-resolution intensity. High spatial resolution multispectral images are then obtained through an inverse IHS transformation. SPOT images are used to illustrate the superiority of this approach over the IHS fuser in terms of preservation of spectral properties.
引用
收藏
页码:3821 / 3833
页数:13
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