System and method for image fusion
First Claim
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1. A method of fusing a low resolution multispectral image with a high resolution panchromatic image comprising the step of generating a new synthetic pan image using multispectral bands from the multispectral image.
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Abstract
A method of fusing a low resolution multispectral image with a high resolution panchromatic image comprising the step of generating a new synthetic pan image using multispectral bands from the multispectral image.
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Citations
21 Claims
- 1. A method of fusing a low resolution multispectral image with a high resolution panchromatic image comprising the step of generating a new synthetic pan image using multispectral bands from the multispectral image.
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5. A method of histogram standardization of image bands comprising the steps of:
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(a) calculating the means and standard deviations of all of the bands; and
(b) stretching the histograms of all the image bands to a common full grey value range with a common mean according to their individual means and standard deviations. - View Dependent Claims (7)
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8. A method of fusing a low resolution multispectral image with a high resolution panchromatic image comprising the steps of:
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(a) selecting from the multispectral image, multispectral bands having spectral ranges which overlap the spectral range of panchromatic image;
(b) determining coefficient values using the selected multispectral bands and the panchromatic image;
(c) generating a synthetic panchromatic image using the coefficient values and the selected multispectral bands; and
(d) generating one or more fused image bands using the panchromatic image, one or more multispectral bands, and the synthetic panchromatic image. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of histogram standardization of image bands comprising the steps of:
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(a) calculating means, deviations, and a covariance matrix from all the image bands, (b) calculating band weights for simulating the NewPanSyn from the covariance matrix, (c) standardizing all the bands using the means and deviations, (d) generating a NewPanSyn using the band weights and the selected standardized multispectral bands, and (e) performing the Product-Synthetic Ratio using the standardized panchromatic band, the standardized multispectral bands and the NewPanSyn.
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Specification