Title
Image Fusion for High-Resolution Optical Satellites Based on Panchromatic Spectral Decomposition.
Abstract
Ratio transformation methods are widely used for image fusion of high-resolution optical satellites. The premise for the use the ratio transformation is that there is a zero-bias linear relationship between the panchromatic band and the corresponding multi-spectral bands. However, there are bias terms and residual terms with large values in reality, depending on the sensors, the response spectral ranges, and the land-cover types. To address this problem, this paper proposes a panchromatic and multi-spectral image fusion method based on the panchromatic spectral decomposition (PSD). The low-resolution panchromatic and multi-spectral images are used to solve the proportionality coefficients, the bias coefficients, and the residual matrixes. These coefficients are substituted into the high-resolution panchromatic band and decompose it into the high-resolution multi-spectral bands. The experiments show that this method can make the fused image acquire high color fidelity and sharpness, it is robust to different sensors and features, and it can be applied to the panchromatic and multi-spectral fusion of high-resolution optical satellites.
Year
DOI
Venue
2019
10.3390/s19112619
SENSORS
Keywords
Field
DocType
ratio transformation,panchromatic spectral decomposition,panchromatic and multi-spectral fusion,high-resolution optical satellites
Residual,Satellite,High color,Image fusion,Matrix (mathematics),Panchromatic film,Remote sensing,Matrix decomposition,Fusion,Electronic engineering,Engineering
Journal
Volume
Issue
ISSN
19
11.0
1424-8220
Citations 
PageRank 
References 
0
0.34
0
Authors
5
Name
Order
Citations
PageRank
Luxiao He111.04
mi28830.02
Ying Zhu333.77
Xueli Chang410.70
Xiaoxiao Feng500.68