NDLI: Pan-sharpening based on weighted red black wavelets

Content Provider	IET Digital Library
Author	Liu, Qingjie Wang, Yunhong Zhang, Zhaoxiang Liu, Lining
Abstract	Pan-sharpening is a technique which provides an efficient and economical solution to generate multi-spectral (MS) images with high-spatial resolution by fusing spectral information in MS images and spatial information in panchromatic (PAN) image. In this study, the authors propose a new pan-sharpening method based on weighted red-black (WRB) wavelets and adaptive principal component analysis (PCA), where the usage of WRB wavelet decomposition is to extract the spatial details in PAN image and the adaptive PCA is used to select the adequate principal component for injecting spatial details. WRB wavelets are data-dependent second generation wavelets. Multi-resolution analysis (MRA) based on WRB wavelet transform shows a better de-correlation of the data compared with common linear translation-invariant MRA, which makes it suitable for applications requiring manipulating image details. A local processing strategy is introduced to reduce the artefact effects and spectral distortions in the pan-sharpened images. The proposed method is evaluated on the datasets acquired by QuickBird, IKONOS and Landsat-7 ETM + satellites and compared with existing methods. Experimental results demonstrate that the authors method can provide promising fused MS images with high-spatial resolution.
Starting Page	477
Ending Page	488
Page Count	12
ISSN	17519659
Volume Number	8
e-ISSN	17519667
Issue Number	Issue 8, Aug (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/8/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2013.0279
Journal	IET Image Processing
Publisher Date	2014-06-30
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive PCA Adaptive Principal Component Analysis Computer Vision And Image Processing Technique Data-dependent Second Generation Wavelets Economical Solution High-spatial Image Resolution IKONOS Image Fusion Image Manipulation Image Resolution Integral Transforms Landsat-7 ETM Linear Translation-invariant MRA MRA MS Image Generation Multispectral Image Generation Optical, Image And Video Signal Processing PAN Image Panchromatic Image Principal Component Analysis QuickBird Spectral Analysis Spectral Distortion Spectral Information Fusion Statistics Wavelet Transform Weighted Red Black Wavelets-based Pan-sharpening WRB Wavelet Decomposition WRB Wavelet Transform
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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