Improving Hypersharpening for WorldView-3 Data

被引：20

作者：

Selva, Massimo ^{[1
]}

Santuri, Leonardo ^{[1
]}

Baronti, Stefano ^{[1
]}

机构：

[1] CNR, Nello Carrara Inst Appl Phys, Florence Res Area, I-50019 Sesto Fiorentino, Italy

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2019年 / 16卷 / 06期

关键词：

Hypersharpening; image fusion; pansharpening; remote sensing; WorldView-3; IMAGE; FUSION; REGRESSION; MS;

D O I：

10.1109/LGRS.2018.2884087

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：

In this letter, hypersharpening is analyzed in depth by investigating some weaknesses present in its formulation. It is shown that the key formula of the synthesized band variant can be simplified under certain circumstances. In addition, a novel fusion schema is proposed. As a result, the gain factor adopted to weight the injected detail is computed in a different way. This schema can be applied to fuse a wide range of hyperspectral and multispectral data. In this letter, its effectiveness is demonstrated by taking into account the characteristics of WorldView-3 data.

引用

页码：987 / 991

页数：5

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