Pansharpening scheme using filtering in two-dimensional discrete fractional Fourier transform.

IET Image Processing（2018）

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摘要

The aim of the pansharpening scheme is to improve the spatial information of multispectral images using the panchromatic (PAN) image. In this study, a novel pansharpening scheme based on two-dimensional discrete fractional Fourier transform (2D-DFRFT) is proposed. In the proposed scheme, PAN and intensity images are transformed using 2D-DFRFT and filtered by highpass filters, respectively. The fil...

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关键词

discrete Fourier transforms,high-pass filters,hyperspectral imaging,image filtering,image fusion,image resolution,inverse transforms

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