Abstract
ABSTRACT Pansharpening refers to the fusion of panchromatic (Pan) image and multispectral (MS) image, which are acquired from the same scene. The output of the process is a high-spatial-resolution MS image. However, in most cases, spectral or spatial distortion occurs in the local region. To solve this problem, this paper introduces a detailed injection model, where estimates the model parameters recursively at the full-scale. The proposed method estimates detailed injection coefficients by finding minimum variance-unbiased (MVU) estimator. The superiority of the proposed method is verified via conducting several experiments on the five satellite datasets and comparing the results quantitatively and visually with several existing methods.
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