NDLI: Panchromatic and multi-spectral images fusion with multi-directional transform

Content Provider	IEEE Xplore Digital Library
Author	Yan Na Tao Sun Cong Wang Fangfang Wang
Copyright Year	2008
Description	Author affiliation: Sch. of Electron. Eng., Xidian Univ., Xian (Yan Na; Tao Sun; Cong Wang; Fangfang Wang)
Abstract	In order to obtain high spatial resolution multi-spectral image, a multi-directional transform based remote sensing images fusion method is presented. Based on the imaging properties of panchromatic image and multi-spectral image, the fusion procedure is, first, multi-directional transform of panchromatic and multi-spectral image, so more high frequency components of both images can be obtained. And then, the combination of multi-directional high frequency coefficients of panchromatic image with low frequency coefficients of multi-spectral image, so more spatial and spectral information will be preserved. Finally, a high spatial resolution multi-spectral image can be obtained after inverse multi-directional transform. Preliminary experiment results show that the fused multi-spectral image has very good spatial resolution and spectral characteristic. The multi-directional transform based fusion method is better than wavelet transform based fusion method.
Starting Page	2968
Ending Page	2971
File Size	1651419
Page Count	4
File Format	PDF
ISBN	9781424421787
DOI	10.1109/ICOSP.2008.4697769
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multispectral imaging Frequency Wavelet transforms Spatial resolution Remote sensing Image fusion Satellites Principal component analysis Image analysis Laplace equations
Content Type	Text
Resource Type	Article

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