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- W4285678669 abstract "• Contrast Stretching improves the pansharpening process of CSP. • Linear Contrast Sketching (LCS) has been used by CSP. • Weighted Differential Evolution Algorithm has been used as optimizer. • CSP is an iterative PI method and it supplies high spatial/spectral fidelity. • Analitic multimodal-image-fusion model of the CSP is easy to implement. Pansharpening techniques were developed to generate a super-resolution multispectral pansharpened image, PI, with the combination of a multispectral image carrying high-resolution spectral information with a panchromatic image carrying high resolution spatial information. For using energy resources and communication bandwidth efficiently, Earth Observation Satellites acquire multispectral images with lower spatial resolution when compared to panchromatic images. Contrast Stretching alters the range and statistical distribution of pixel values of an image to facilitate perception of image features and can be used to match histograms of distinct images. The Contrast Stretching Based Pansharpening method, CSP, has been introduced in this paper. CSP considers the pansharpening as a rescaling-based pixel-level image fusion problem in spatial domain. CSP uses the contrast stretching to generate two modified-multispectral images and one modified-panchromatic image, which are used to compute pansharpened image. The Weighted Differential Evolution Algorithm has been used to optimize the numerical values of internal parameters of CSP. The successes of CSP and 17 different pansharpening methods have been statistically compared by using three Test Image sets with different characteristics. Ten different image quality measures have been used in accuracy assessment analysis of the PIs generated by the related methods used in the Experiments. Statistical analysis exposed that CSP generates more pleasing PIs both quantitatively and qualitatively compared to the comparison methods employed in this paper." @default.
- W4285678669 created "2022-07-17" @default.
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- W4285678669 date "2022-12-01" @default.
- W4285678669 modified "2023-10-18" @default.
- W4285678669 title "Contrast stretching based pansharpening by using weighted differential evolution algorithm" @default.
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- W4285678669 doi "https://doi.org/10.1016/j.eswa.2022.118144" @default.
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