A Global Quality Measurement of Pan-Sharpened Multispectral Imagery

被引：529

作者：

Alparone, Luciano ^{[1
]}

Baronti, Stefano ^{[2
]}

Garzelli, Andrea ^{[3
]}

Nencini, Filippo ^{[3
]}

机构：

[1] Univ Florence, Dept Elect & Telecommunicat, I-50139 Florence, Italy

[2] Inst Appl Phys Nello Carrara, Natl Res Council IFAC CNR, I-50127 Florence, Italy

[3] Univ Siena, Dept Informat Engn, I-53100 Siena, Italy

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2004年 / 1卷 / 04期

关键词：

Data fusion; hypercomplex correlation; multispectral imagery; quality assessment; quaternions algebra; spectral distortion;

D O I：

10.1109/LGRS.2004.836784

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This letter focuses on quality assessment of fusion of multispectral (MS) images with high-resolution panchromatic (Pan) observations. A new quality index suitable for MS imagery having four spectral bands is defined from the theory of hypercomplex numbers, or quaternions. Both spectral and radiometric distortion measurements are encapsulated in a unique measurement, simultaneously accounting for local mean bias, changes in contrast, and loss of correlation of individual bands, together with spectral distortion. Results are presented and discussed on very high-resolution QuickBird data, through comparisons between state-of-the-art and advanced MS + Pan merge algorithms.

引用

页码：313 / 317

页数：5

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